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@@ -1,558 +0,0 @@
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-using System;
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-using System.Collections.Generic;
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-using System.IO;
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-using System.Linq;
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-using System.Reflection;
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-using System.Runtime.InteropServices;
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-using System.Runtime.InteropServices.ComTypes;
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-using System.Text;
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-using System.Threading.Tasks;
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-using System.Windows;
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-
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-namespace PRSDesktop.Panels.DataEntry
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-{
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- // https://gist.github.com/MattyBoy4444/521547
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- public class OutlookDataObject : System.Windows.IDataObject
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- {
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- #region NativeMethods
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-
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- private class NativeMethods
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- {
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- [DllImport("kernel32.dll")]
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- static extern IntPtr GlobalLock(IntPtr hMem);
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-
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- [DllImport("ole32.dll", PreserveSig = false)]
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- public static extern ILockBytes CreateILockBytesOnHGlobal(IntPtr hGlobal, bool fDeleteOnRelease);
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-
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- [DllImport("OLE32.DLL", CharSet = CharSet.Auto, PreserveSig = false)]
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- public static extern IntPtr GetHGlobalFromILockBytes(ILockBytes pLockBytes);
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-
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- [DllImport("OLE32.DLL", CharSet = CharSet.Unicode, PreserveSig = false)]
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- public static extern IStorage StgCreateDocfileOnILockBytes(ILockBytes plkbyt, uint grfMode, uint reserved);
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-
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- [ComImport, InterfaceType(ComInterfaceType.InterfaceIsIUnknown), Guid("0000000B-0000-0000-C000-000000000046")]
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- public interface IStorage
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- {
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- [return: MarshalAs(UnmanagedType.Interface)]
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- IStream CreateStream([In, MarshalAs(UnmanagedType.BStr)] string pwcsName, [In, MarshalAs(UnmanagedType.U4)] int grfMode, [In, MarshalAs(UnmanagedType.U4)] int reserved1, [In, MarshalAs(UnmanagedType.U4)] int reserved2);
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- [return: MarshalAs(UnmanagedType.Interface)]
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- IStream OpenStream([In, MarshalAs(UnmanagedType.BStr)] string pwcsName, IntPtr reserved1, [In, MarshalAs(UnmanagedType.U4)] int grfMode, [In, MarshalAs(UnmanagedType.U4)] int reserved2);
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- [return: MarshalAs(UnmanagedType.Interface)]
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- IStorage CreateStorage([In, MarshalAs(UnmanagedType.BStr)] string pwcsName, [In, MarshalAs(UnmanagedType.U4)] int grfMode, [In, MarshalAs(UnmanagedType.U4)] int reserved1, [In, MarshalAs(UnmanagedType.U4)] int reserved2);
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- [return: MarshalAs(UnmanagedType.Interface)]
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- IStorage OpenStorage([In, MarshalAs(UnmanagedType.BStr)] string pwcsName, IntPtr pstgPriority, [In, MarshalAs(UnmanagedType.U4)] int grfMode, IntPtr snbExclude, [In, MarshalAs(UnmanagedType.U4)] int reserved);
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- void CopyTo(int ciidExclude, [In, MarshalAs(UnmanagedType.LPArray)] Guid[] pIIDExclude, IntPtr snbExclude, [In, MarshalAs(UnmanagedType.Interface)] IStorage stgDest);
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- void MoveElementTo([In, MarshalAs(UnmanagedType.BStr)] string pwcsName, [In, MarshalAs(UnmanagedType.Interface)] IStorage stgDest, [In, MarshalAs(UnmanagedType.BStr)] string pwcsNewName, [In, MarshalAs(UnmanagedType.U4)] int grfFlags);
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- void Commit(int grfCommitFlags);
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- void Revert();
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- void EnumElements([In, MarshalAs(UnmanagedType.U4)] int reserved1, IntPtr reserved2, [In, MarshalAs(UnmanagedType.U4)] int reserved3, [MarshalAs(UnmanagedType.Interface)] out object ppVal);
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- void DestroyElement([In, MarshalAs(UnmanagedType.BStr)] string pwcsName);
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- void RenameElement([In, MarshalAs(UnmanagedType.BStr)] string pwcsOldName, [In, MarshalAs(UnmanagedType.BStr)] string pwcsNewName);
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- void SetElementTimes([In, MarshalAs(UnmanagedType.BStr)] string pwcsName, [In] System.Runtime.InteropServices.ComTypes.FILETIME pctime, [In] System.Runtime.InteropServices.ComTypes.FILETIME patime, [In] System.Runtime.InteropServices.ComTypes.FILETIME pmtime);
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- void SetClass([In] ref Guid clsid);
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- void SetStateBits(int grfStateBits, int grfMask);
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- void Stat([Out] out System.Runtime.InteropServices.ComTypes.STATSTG pStatStg, int grfStatFlag);
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- }
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-
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- [ComImport, Guid("0000000A-0000-0000-C000-000000000046"), InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
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- public interface ILockBytes
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- {
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- void ReadAt([In, MarshalAs(UnmanagedType.U8)] long ulOffset, [Out, MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 1)] byte[] pv, [In, MarshalAs(UnmanagedType.U4)] int cb, [Out, MarshalAs(UnmanagedType.LPArray)] int[] pcbRead);
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- void WriteAt([In, MarshalAs(UnmanagedType.U8)] long ulOffset, IntPtr pv, [In, MarshalAs(UnmanagedType.U4)] int cb, [Out, MarshalAs(UnmanagedType.LPArray)] int[] pcbWritten);
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- void Flush();
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- void SetSize([In, MarshalAs(UnmanagedType.U8)] long cb);
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- void LockRegion([In, MarshalAs(UnmanagedType.U8)] long libOffset, [In, MarshalAs(UnmanagedType.U8)] long cb, [In, MarshalAs(UnmanagedType.U4)] int dwLockType);
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- void UnlockRegion([In, MarshalAs(UnmanagedType.U8)] long libOffset, [In, MarshalAs(UnmanagedType.U8)] long cb, [In, MarshalAs(UnmanagedType.U4)] int dwLockType);
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- void Stat([Out] out System.Runtime.InteropServices.ComTypes.STATSTG pstatstg, [In, MarshalAs(UnmanagedType.U4)] int grfStatFlag);
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- }
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-
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- [StructLayout(LayoutKind.Sequential)]
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- public sealed class POINTL
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- {
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- public int x;
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- public int y;
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- }
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-
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- [StructLayout(LayoutKind.Sequential)]
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- public sealed class SIZEL
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- {
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- public int cx;
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- public int cy;
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- }
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-
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- [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
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- public sealed class FILEGROUPDESCRIPTORA
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- {
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- public uint cItems;
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- public FILEDESCRIPTORA fgd;
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- }
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-
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- [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
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- public sealed class FILEDESCRIPTORA
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- {
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- public uint dwFlags;
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- public Guid clsid;
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- public SIZEL sizel;
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- public POINTL pointl;
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- public uint dwFileAttributes;
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- public System.Runtime.InteropServices.ComTypes.FILETIME ftCreationTime;
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- public System.Runtime.InteropServices.ComTypes.FILETIME ftLastAccessTime;
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- public System.Runtime.InteropServices.ComTypes.FILETIME ftLastWriteTime;
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- public uint nFileSizeHigh;
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- public uint nFileSizeLow;
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- [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 260)]
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- public string cFileName;
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- }
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-
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- [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
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- public sealed class FILEGROUPDESCRIPTORW
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- {
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- public uint cItems;
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- public FILEDESCRIPTORW fgd;
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- }
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-
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- [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
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- public sealed class FILEDESCRIPTORW
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- {
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- public uint dwFlags;
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- public Guid clsid;
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- public SIZEL sizel;
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- public POINTL pointl;
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- public uint dwFileAttributes;
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- public System.Runtime.InteropServices.ComTypes.FILETIME ftCreationTime;
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- public System.Runtime.InteropServices.ComTypes.FILETIME ftLastAccessTime;
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- public System.Runtime.InteropServices.ComTypes.FILETIME ftLastWriteTime;
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- public uint nFileSizeHigh;
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- public uint nFileSizeLow;
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- [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 260)]
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- public string cFileName;
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- }
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- }
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-
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- #endregion
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-
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- #region Property(s)
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-
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- /// <summary>
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- /// Holds the <see cref="System.Windows.IDataObject"/> that this class is wrapping
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- /// </summary>
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- private System.Windows.IDataObject underlyingDataObject;
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-
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- /// <summary>
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- /// Holds the <see cref="System.Runtime.InteropServices.ComTypes.IDataObject"/> interface to the <see cref="System.Windows.IDataObject"/> that this class is wrapping.
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- /// </summary>
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- private System.Runtime.InteropServices.ComTypes.IDataObject comUnderlyingDataObject;
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-
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- /// <summary>
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- /// Holds the internal ole <see cref="System.Windows.IDataObject"/> to the <see cref="System.Windows.IDataObject"/> that this class is wrapping.
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- /// </summary>
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- private System.Windows.IDataObject oleUnderlyingDataObject;
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-
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- /// <summary>
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- /// Holds the <see cref="MethodInfo"/> of the "GetDataFromHGLOBAL" method of the internal ole <see cref="System.Windows.IDataObject"/>.
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- /// </summary>
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- private MethodInfo getDataFromHGLOBALMethod;
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-
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- #endregion
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-
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- #region Constructor(s)
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-
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- /// <summary>
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- /// Initializes a new instance of the <see cref="OutlookDataObject"/> class.
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- /// </summary>
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- /// <param name="underlyingDataObject">The underlying data object to wrap.</param>
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- public OutlookDataObject(System.Windows.IDataObject underlyingDataObject)
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- {
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- //get the underlying dataobject and its ComType IDataObject interface to it
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- this.underlyingDataObject = underlyingDataObject;
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- this.comUnderlyingDataObject = (System.Runtime.InteropServices.ComTypes.IDataObject)this.underlyingDataObject;
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-
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- //get the internal ole dataobject and its GetDataFromHGLOBAL so it can be called later
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- FieldInfo innerDataField = this.underlyingDataObject.GetType().GetField("_innerData", BindingFlags.NonPublic | BindingFlags.Instance);
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- this.oleUnderlyingDataObject = (System.Windows.IDataObject)innerDataField.GetValue(this.underlyingDataObject);
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- this.getDataFromHGLOBALMethod = this.oleUnderlyingDataObject.GetType().GetMethod("GetDataFromHGLOBAL", BindingFlags.NonPublic | BindingFlags.Instance);
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- }
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-
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- #endregion
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-
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- #region IDataObject Members
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-
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- /// <summary>
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- /// Retrieves the data associated with the specified class type format.
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- /// </summary>
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- /// <param name="format">A <see cref="T:System.Type"></see> representing the format of the data to retrieve. See <see cref="T:System.Windows.DataFormats"></see> for predefined formats.</param>
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- /// <returns>
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- /// The data associated with the specified format, or null.
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- /// </returns>
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- public object GetData(Type format)
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- {
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- return this.GetData(format.FullName);
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- }
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-
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- /// <summary>
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- /// Retrieves the data associated with the specified data format.
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- /// </summary>
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- /// <param name="format">The format of the data to retrieve. See <see cref="T:System.Windows.DataFormats"></see> for predefined formats.</param>
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- /// <returns>
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- /// The data associated with the specified format, or null.
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- /// </returns>
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- public object GetData(string format)
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- {
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- return this.GetData(format, true);
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- }
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-
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- /// <summary>
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- /// Retrieves the data associated with the specified data format, using a Boolean to determine whether to convert the data to the format.
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- /// </summary>
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- /// <param name="format">The format of the data to retrieve. See <see cref="T:System.Windows.DataFormats"></see> for predefined formats.</param>
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- /// <param name="autoConvert">true to convert the data to the specified format; otherwise, false.</param>
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- /// <returns>
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- /// The data associated with the specified format, or null.
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- /// </returns>
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- public object GetData(string format, bool autoConvert)
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- {
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- //handle the "FileGroupDescriptor" and "FileContents" format request in this class otherwise pass through to underlying IDataObject
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- switch (format)
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- {
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- case "FileGroupDescriptor":
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- //override the default handling of FileGroupDescriptor which returns a
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- //MemoryStream and instead return a string array of file names
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- IntPtr fileGroupDescriptorAPointer = IntPtr.Zero;
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- try
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- {
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- //use the underlying IDataObject to get the FileGroupDescriptor as a MemoryStream
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- MemoryStream fileGroupDescriptorStream = (MemoryStream)this.underlyingDataObject.GetData("FileGroupDescriptor", autoConvert);
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- byte[] fileGroupDescriptorBytes = new byte[fileGroupDescriptorStream.Length];
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- fileGroupDescriptorStream.Read(fileGroupDescriptorBytes, 0, fileGroupDescriptorBytes.Length);
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- fileGroupDescriptorStream.Close();
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-
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- //copy the file group descriptor into unmanaged memory
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- fileGroupDescriptorAPointer = Marshal.AllocHGlobal(fileGroupDescriptorBytes.Length);
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- Marshal.Copy(fileGroupDescriptorBytes, 0, fileGroupDescriptorAPointer, fileGroupDescriptorBytes.Length);
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-
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- ////marshal the unmanaged memory to to FILEGROUPDESCRIPTORA struct
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- //FIX FROM - https://stackoverflow.com/questions/27173844/accessviolationexception-after-copying-a-file-from-inside-a-zip-archive-to-the-c
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- int ITEMCOUNT = Marshal.ReadInt32(fileGroupDescriptorAPointer);
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-
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- //create a new array to store file names in of the number of items in the file group descriptor
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- string[] fileNames = new string[ITEMCOUNT];
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-
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- //get the pointer to the first file descriptor
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- IntPtr fileDescriptorPointer = (IntPtr)((long)fileGroupDescriptorAPointer + Marshal.SizeOf(ITEMCOUNT));
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-
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- //loop for the number of files acording to the file group descriptor
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- for (int fileDescriptorIndex = 0; fileDescriptorIndex < ITEMCOUNT; fileDescriptorIndex++)
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- {
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- //marshal the pointer top the file descriptor as a FILEDESCRIPTORA struct and get the file name
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- NativeMethods.FILEDESCRIPTORA fileDescriptor = (NativeMethods.FILEDESCRIPTORA)Marshal.PtrToStructure(fileDescriptorPointer, typeof(NativeMethods.FILEDESCRIPTORA));
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- fileNames[fileDescriptorIndex] = fileDescriptor.cFileName;
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-
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- //move the file descriptor pointer to the next file descriptor
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- fileDescriptorPointer = (IntPtr)((long)fileDescriptorPointer + Marshal.SizeOf(fileDescriptor));
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- }
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-
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- //return the array of filenames
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- return fileNames;
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- }
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- finally
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- {
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- //free unmanaged memory pointer
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- Marshal.FreeHGlobal(fileGroupDescriptorAPointer);
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- }
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-
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- case "FileGroupDescriptorW":
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- //override the default handling of FileGroupDescriptorW which returns a
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- //MemoryStream and instead return a string array of file names
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- IntPtr fileGroupDescriptorWPointer = IntPtr.Zero;
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- try
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- {
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- //use the underlying IDataObject to get the FileGroupDescriptorW as a MemoryStream
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- MemoryStream fileGroupDescriptorStream = (MemoryStream)this.underlyingDataObject.GetData("FileGroupDescriptorW");
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- byte[] fileGroupDescriptorBytes = new byte[fileGroupDescriptorStream.Length];
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- fileGroupDescriptorStream.Read(fileGroupDescriptorBytes, 0, fileGroupDescriptorBytes.Length);
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- fileGroupDescriptorStream.Close();
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-
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- //copy the file group descriptor into unmanaged memory
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- fileGroupDescriptorWPointer = Marshal.AllocHGlobal(fileGroupDescriptorBytes.Length);
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- Marshal.Copy(fileGroupDescriptorBytes, 0, fileGroupDescriptorWPointer, fileGroupDescriptorBytes.Length);
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-
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- //marshal the unmanaged memory to to FILEGROUPDESCRIPTORW struct
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- //FIX FROM - https://stackoverflow.com/questions/27173844/accessviolationexception-after-copying-a-file-from-inside-a-zip-archive-to-the-c
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- int ITEMCOUNT = Marshal.ReadInt32(fileGroupDescriptorWPointer);
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-
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- //create a new array to store file names in of the number of items in the file group descriptor
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- string[] fileNames = new string[ITEMCOUNT];
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-
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- //get the pointer to the first file descriptor
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- IntPtr fileDescriptorPointer = (IntPtr)((long)fileGroupDescriptorWPointer + Marshal.SizeOf(ITEMCOUNT));
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-
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- //loop for the number of files acording to the file group descriptor
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- for (int fileDescriptorIndex = 0; fileDescriptorIndex < ITEMCOUNT; fileDescriptorIndex++)
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- {
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- //marshal the pointer top the file descriptor as a FILEDESCRIPTORW struct and get the file name
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- NativeMethods.FILEDESCRIPTORW fileDescriptor = (NativeMethods.FILEDESCRIPTORW)Marshal.PtrToStructure(fileDescriptorPointer, typeof(NativeMethods.FILEDESCRIPTORW));
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- fileNames[fileDescriptorIndex] = fileDescriptor.cFileName;
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-
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- //move the file descriptor pointer to the next file descriptor
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- fileDescriptorPointer = (IntPtr)((long)fileDescriptorPointer + Marshal.SizeOf(fileDescriptor));
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- }
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-
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- //return the array of filenames
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- return fileNames;
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- }
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- finally
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- {
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- //free unmanaged memory pointer
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- Marshal.FreeHGlobal(fileGroupDescriptorWPointer);
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- }
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-
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- case "FileContents":
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- //override the default handling of FileContents which returns the
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- //contents of the first file as a memory stream and instead return
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- //a array of MemoryStreams containing the data to each file dropped
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- //
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- // FILECONTENTS requires a companion FILEGROUPDESCRIPTOR to be
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- // available so we bail out if we don't find one in the data object.
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-
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- string fgdFormatName;
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- if (GetDataPresent("FileGroupDescriptorW"))
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- fgdFormatName = "FileGroupDescriptorW";
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- else if (GetDataPresent("FileGroupDescriptor"))
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- fgdFormatName = "FileGroupDescriptor";
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- else
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- return null;
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- //get the array of filenames which lets us know how many file contents exist
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- string[] fileContentNames = (string[])this.GetData(fgdFormatName);
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-
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- //create a MemoryStream array to store the file contents
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- MemoryStream[] fileContents = new MemoryStream[fileContentNames.Length];
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-
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- //loop for the number of files acording to the file names
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- for (int fileIndex = 0; fileIndex < fileContentNames.Length; fileIndex++)
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- {
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- //get the data at the file index and store in array
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- fileContents[fileIndex] = this.GetData(format, fileIndex);
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- }
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-
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- //return array of MemoryStreams containing file contents
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- return fileContents;
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- }
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-
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- //use underlying IDataObject to handle getting of data
|
|
|
- return this.underlyingDataObject.GetData(format, autoConvert);
|
|
|
- }
|
|
|
-
|
|
|
- /// <summary>
|
|
|
- /// Retrieves the data associated with the specified data format at the specified index.
|
|
|
- /// </summary>
|
|
|
- /// <param name="format">The format of the data to retrieve. See <see cref="T:System.Windows.DataFormats"></see> for predefined formats.</param>
|
|
|
- /// <param name="index">The index of the data to retrieve.</param>
|
|
|
- /// <returns>
|
|
|
- /// A <see cref="MemoryStream"/> containing the raw data for the specified data format at the specified index.
|
|
|
- /// </returns>
|
|
|
- public MemoryStream GetData(string format, int index)
|
|
|
- {
|
|
|
- //create a FORMATETC struct to request the data with
|
|
|
- FORMATETC formatetc = new FORMATETC();
|
|
|
- formatetc.cfFormat = (short)DataFormats.GetDataFormat(format).Id;
|
|
|
- formatetc.dwAspect = DVASPECT.DVASPECT_CONTENT;
|
|
|
- formatetc.lindex = index;
|
|
|
- formatetc.ptd = new IntPtr(0);
|
|
|
- formatetc.tymed = TYMED.TYMED_ISTREAM | TYMED.TYMED_ISTORAGE | TYMED.TYMED_HGLOBAL;
|
|
|
-
|
|
|
- //create STGMEDIUM to output request results into
|
|
|
- STGMEDIUM medium = new STGMEDIUM();
|
|
|
-
|
|
|
- //using the Com IDataObject interface get the data using the defined FORMATETC
|
|
|
- this.comUnderlyingDataObject.GetData(ref formatetc, out medium);
|
|
|
-
|
|
|
- //retrieve the data depending on the returned store type
|
|
|
- switch (medium.tymed)
|
|
|
- {
|
|
|
- case TYMED.TYMED_ISTORAGE:
|
|
|
- //to handle a IStorage it needs to be written into a second unmanaged
|
|
|
- //memory mapped storage and then the data can be read from memory into
|
|
|
- //a managed byte and returned as a MemoryStream
|
|
|
-
|
|
|
- NativeMethods.IStorage iStorage = null;
|
|
|
- NativeMethods.IStorage iStorage2 = null;
|
|
|
- NativeMethods.ILockBytes iLockBytes = null;
|
|
|
- System.Runtime.InteropServices.ComTypes.STATSTG iLockBytesStat;
|
|
|
- try
|
|
|
- {
|
|
|
- //marshal the returned pointer to a IStorage object
|
|
|
- iStorage = (NativeMethods.IStorage)Marshal.GetObjectForIUnknown(medium.unionmember);
|
|
|
- Marshal.Release(medium.unionmember);
|
|
|
-
|
|
|
- //create a ILockBytes (unmanaged byte array) and then create a IStorage using the byte array as a backing store
|
|
|
- iLockBytes = NativeMethods.CreateILockBytesOnHGlobal(IntPtr.Zero, true);
|
|
|
- iStorage2 = NativeMethods.StgCreateDocfileOnILockBytes(iLockBytes, 0x00001012, 0);
|
|
|
-
|
|
|
- //copy the returned IStorage into the new IStorage
|
|
|
- iStorage.CopyTo(0, null, IntPtr.Zero, iStorage2);
|
|
|
- iLockBytes.Flush();
|
|
|
- iStorage2.Commit(0);
|
|
|
-
|
|
|
- //get the STATSTG of the ILockBytes to determine how many bytes were written to it
|
|
|
- iLockBytesStat = new System.Runtime.InteropServices.ComTypes.STATSTG();
|
|
|
- iLockBytes.Stat(out iLockBytesStat, 1);
|
|
|
- int iLockBytesSize = (int)iLockBytesStat.cbSize;
|
|
|
-
|
|
|
- //read the data from the ILockBytes (unmanaged byte array) into a managed byte array
|
|
|
- byte[] iLockBytesContent = new byte[iLockBytesSize];
|
|
|
- iLockBytes.ReadAt(0, iLockBytesContent, iLockBytesContent.Length, null);
|
|
|
-
|
|
|
- //wrapped the managed byte array into a memory stream and return it
|
|
|
- return new MemoryStream(iLockBytesContent);
|
|
|
- }
|
|
|
- finally
|
|
|
- {
|
|
|
- //release all unmanaged objects
|
|
|
- Marshal.ReleaseComObject(iStorage2);
|
|
|
- Marshal.ReleaseComObject(iLockBytes);
|
|
|
- Marshal.ReleaseComObject(iStorage);
|
|
|
- }
|
|
|
-
|
|
|
- case TYMED.TYMED_ISTREAM:
|
|
|
- //to handle a IStream it needs to be read into a managed byte and
|
|
|
- //returned as a MemoryStream
|
|
|
-
|
|
|
- IStream iStream = null;
|
|
|
- System.Runtime.InteropServices.ComTypes.STATSTG iStreamStat;
|
|
|
- try
|
|
|
- {
|
|
|
- //marshal the returned pointer to a IStream object
|
|
|
- iStream = (IStream)Marshal.GetObjectForIUnknown(medium.unionmember);
|
|
|
- Marshal.Release(medium.unionmember);
|
|
|
-
|
|
|
- //get the STATSTG of the IStream to determine how many bytes are in it
|
|
|
- iStreamStat = new System.Runtime.InteropServices.ComTypes.STATSTG();
|
|
|
- iStream.Stat(out iStreamStat, 0);
|
|
|
- int iStreamSize = (int)iStreamStat.cbSize;
|
|
|
-
|
|
|
- //read the data from the IStream into a managed byte array
|
|
|
- byte[] iStreamContent = new byte[iStreamSize];
|
|
|
- iStream.Read(iStreamContent, iStreamContent.Length, IntPtr.Zero);
|
|
|
-
|
|
|
- //wrapped the managed byte array into a memory stream and return it
|
|
|
- return new MemoryStream(iStreamContent);
|
|
|
- }
|
|
|
- finally
|
|
|
- {
|
|
|
- //release all unmanaged objects
|
|
|
- Marshal.ReleaseComObject(iStream);
|
|
|
- }
|
|
|
-
|
|
|
- case TYMED.TYMED_HGLOBAL:
|
|
|
- //to handle a HGlobal the exisitng "GetDataFromHGLOBAL" method is invoked via
|
|
|
- //reflection
|
|
|
-
|
|
|
- return (MemoryStream)this.getDataFromHGLOBALMethod.Invoke(this.oleUnderlyingDataObject, new object[] { DataFormats.GetDataFormat((short)formatetc.cfFormat).Name, medium.unionmember });
|
|
|
- }
|
|
|
-
|
|
|
- return null;
|
|
|
- }
|
|
|
-
|
|
|
- /// <summary>
|
|
|
- /// Determines whether data stored in this instance is associated with, or can be converted to, the specified format.
|
|
|
- /// </summary>
|
|
|
- /// <param name="format">A <see cref="T:System.Type"></see> representing the format for which to check. See <see cref="T:System.Windows.DataFormats"></see> for predefined formats.</param>
|
|
|
- /// <returns>
|
|
|
- /// true if data stored in this instance is associated with, or can be converted to, the specified format; otherwise, false.
|
|
|
- /// </returns>
|
|
|
- public bool GetDataPresent(Type format)
|
|
|
- {
|
|
|
- return this.underlyingDataObject.GetDataPresent(format);
|
|
|
- }
|
|
|
-
|
|
|
- /// <summary>
|
|
|
- /// Determines whether data stored in this instance is associated with, or can be converted to, the specified format.
|
|
|
- /// </summary>
|
|
|
- /// <param name="format">The format for which to check. See <see cref="T:System.Windows.DataFormats"></see> for predefined formats.</param>
|
|
|
- /// <returns>
|
|
|
- /// true if data stored in this instance is associated with, or can be converted to, the specified format; otherwise false.
|
|
|
- /// </returns>
|
|
|
- public bool GetDataPresent(string format)
|
|
|
- {
|
|
|
- return this.underlyingDataObject.GetDataPresent(format);
|
|
|
- }
|
|
|
-
|
|
|
- /// <summary>
|
|
|
- /// Determines whether data stored in this instance is associated with the specified format, using a Boolean value to determine whether to convert the data to the format.
|
|
|
- /// </summary>
|
|
|
- /// <param name="format">The format for which to check. See <see cref="T:System.Windows.DataFormats"></see> for predefined formats.</param>
|
|
|
- /// <param name="autoConvert">true to determine whether data stored in this instance can be converted to the specified format; false to check whether the data is in the specified format.</param>
|
|
|
- /// <returns>
|
|
|
- /// true if the data is in, or can be converted to, the specified format; otherwise, false.
|
|
|
- /// </returns>
|
|
|
- public bool GetDataPresent(string format, bool autoConvert)
|
|
|
- {
|
|
|
- return this.underlyingDataObject.GetDataPresent(format, autoConvert);
|
|
|
- }
|
|
|
-
|
|
|
- /// <summary>
|
|
|
- /// Returns a list of all formats that data stored in this instance is associated with or can be converted to.
|
|
|
- /// </summary>
|
|
|
- /// <returns>
|
|
|
- /// An array of the names that represents a list of all formats that are supported by the data stored in this object.
|
|
|
- /// </returns>
|
|
|
- public string[] GetFormats()
|
|
|
- {
|
|
|
- return this.underlyingDataObject.GetFormats();
|
|
|
- }
|
|
|
-
|
|
|
- /// <summary>
|
|
|
- /// Gets a list of all formats that data stored in this instance is associated with or can be converted to, using a Boolean value to determine whether to retrieve all formats that the data can be converted to or only native data formats.
|
|
|
- /// </summary>
|
|
|
- /// <param name="autoConvert">true to retrieve all formats that data stored in this instance is associated with or can be converted to; false to retrieve only native data formats.</param>
|
|
|
- /// <returns>
|
|
|
- /// An array of the names that represents a list of all formats that are supported by the data stored in this object.
|
|
|
- /// </returns>
|
|
|
- public string[] GetFormats(bool autoConvert)
|
|
|
- {
|
|
|
- return this.underlyingDataObject.GetFormats(autoConvert);
|
|
|
- }
|
|
|
-
|
|
|
- /// <summary>
|
|
|
- /// Stores the specified data in this instance, using the class of the data for the format.
|
|
|
- /// </summary>
|
|
|
- /// <param name="data">The data to store.</param>
|
|
|
- public void SetData(object data)
|
|
|
- {
|
|
|
- this.underlyingDataObject.SetData(data);
|
|
|
- }
|
|
|
-
|
|
|
- /// <summary>
|
|
|
- /// Stores the specified data and its associated class type in this instance.
|
|
|
- /// </summary>
|
|
|
- /// <param name="format">A <see cref="T:System.Type"></see> representing the format associated with the data. See <see cref="T:System.Windows.DataFormats"></see> for predefined formats.</param>
|
|
|
- /// <param name="data">The data to store.</param>
|
|
|
- public void SetData(Type format, object data)
|
|
|
- {
|
|
|
- this.underlyingDataObject.SetData(format, data);
|
|
|
- }
|
|
|
-
|
|
|
- /// <summary>
|
|
|
- /// Stores the specified data and its associated format in this instance.
|
|
|
- /// </summary>
|
|
|
- /// <param name="format">The format associated with the data. See <see cref="T:System.Windows.DataFormats"></see> for predefined formats.</param>
|
|
|
- /// <param name="data">The data to store.</param>
|
|
|
- public void SetData(string format, object data)
|
|
|
- {
|
|
|
- this.underlyingDataObject.SetData(format, data);
|
|
|
- }
|
|
|
-
|
|
|
- /// <summary>
|
|
|
- /// Stores the specified data and its associated format in this instance, using a Boolean value to specify whether the data can be converted to another format.
|
|
|
- /// </summary>
|
|
|
- /// <param name="format">The format associated with the data. See <see cref="T:System.Windows.DataFormats"></see> for predefined formats.</param>
|
|
|
- /// <param name="autoConvert">true to allow the data to be converted to another format; otherwise, false.</param>
|
|
|
- /// <param name="data">The data to store.</param>
|
|
|
- public void SetData(string format, object data, bool autoConvert)
|
|
|
- {
|
|
|
- this.underlyingDataObject.SetData(format, data, autoConvert);
|
|
|
- }
|
|
|
-
|
|
|
- #endregion
|
|
|
- }
|
|
|
-}
|