public override DragDropEffects DoDragDrop(UIElement source, Point cursorPos)
{
this.ThemeItem.Load();
ImageResourceThemeItem resourceThemeItem = (ImageResourceThemeItem)this.ThemeItem;
byte[] numArray = ((ResourceThemeItem)resourceThemeItem).Save(false);
IDataObject dataObject1 = Advent.Common.Interop.DataObject.CreateDataObject();
IDataObject dataObject2 = dataObject1;
VirtualFile[] virtualFileArray = new VirtualFile[1];
virtualFileArray[0] = new VirtualFile()
{
Name = this.ThemeItem.Name,
LastWriteTime = DateTime.Now,
Contents = numArray
};
VirtualFile[] files = virtualFileArray;
DataObjectExtensions.SetVirtualFiles(dataObject2, files);
try
{
VmcStudioUtil.DragDropObject = (object)this;
return DataObjectExtensions.DoDragDrop(dataObject1, source, UIExtensions.Resize(resourceThemeItem.Image, 100), cursorPos, DragDropEffects.Copy);
}
finally
{
VmcStudioUtil.DragDropObject = (object)null;
}
}
private static void WriteFileDescriptor(Stream stream, VirtualFile file)
{
FILEDESCRIPTOR filedescriptor = file.ToFileDescriptor();
int length = Marshal.SizeOf((object)filedescriptor);
byte[] numArray = new byte[length];
IntPtr num = Marshal.AllocHGlobal(length);
try
{
Marshal.StructureToPtr((object)filedescriptor, num, true);
Marshal.Copy(num, numArray, 0, length);
}
finally
{
Marshal.FreeHGlobal(num);
}
stream.Write(numArray, 0, numArray.Length);
}
public static void SetVirtualFiles(this System.Windows.IDataObject dataObject, VirtualFile[] files)
{
if (files == null)
throw new ArgumentNullException();
MemoryStream memoryStream = new MemoryStream();
memoryStream.Write(BitConverter.GetBytes(files.Length), 0, 4);
for (int index = 0; index < files.Length; ++index)
{
VirtualFile file = files[index];
if (file.Contents == null || file.Contents.Length == 0)
throw new ArgumentException("VirtualFile does not have any contents.");
FORMATETC formatIn = new FORMATETC()
{
cfFormat = (short)DataFormats.GetDataFormat("FileContents").Id,
dwAspect = DVASPECT.DVASPECT_CONTENT,
lindex = index,
ptd = IntPtr.Zero,
tymed = TYMED.TYMED_ISTREAM
};
STGMEDIUM medium = DataObjectExtensions.WriteBytesToMedium(file.Contents);
((System.Runtime.InteropServices.ComTypes.IDataObject)dataObject).SetData(ref formatIn, ref medium, true);
DataObjectExtensions.WriteFileDescriptor((Stream)memoryStream, file);
}
IntPtr num = Marshal.AllocHGlobal((int)memoryStream.Length);
try
{
Marshal.Copy(memoryStream.GetBuffer(), 0, num, (int)memoryStream.Length);
}
catch
{
Marshal.FreeHGlobal(num);
throw;
}
STGMEDIUM medium1;
medium1.pUnkForRelease = (object)null;
medium1.tymed = TYMED.TYMED_HGLOBAL;
medium1.unionmember = num;
FORMATETC formatIn1 = new FORMATETC()
{
cfFormat = (short)DataFormats.GetDataFormat("FileGroupDescriptorW").Id,
dwAspect = DVASPECT.DVASPECT_CONTENT,
lindex = -1,
ptd = IntPtr.Zero,
tymed = TYMED.TYMED_HGLOBAL
};
((System.Runtime.InteropServices.ComTypes.IDataObject)dataObject).SetData(ref formatIn1, ref medium1, true);
}
public static void SetVirtualFiles(this Advent.Common.Interop.DataObject dataObject, VirtualFile[] files)
{
MemoryStream memoryStream = new MemoryStream();
memoryStream.Write(BitConverter.GetBytes(files.Length), 0, 4);
for (int index = 0; index < files.Length; ++index)
{
VirtualFile file = files[index];
if (file.ContentsFunc == null)
{
FORMATETC formatIn = new FORMATETC()
{
cfFormat = (short)DataFormats.GetDataFormat("FileContents").Id,
dwAspect = DVASPECT.DVASPECT_CONTENT,
lindex = index,
ptd = IntPtr.Zero,
tymed = TYMED.TYMED_ISTREAM
};
STGMEDIUM medium = DataObjectExtensions.WriteBytesToMedium(file.Contents);
dataObject.SetData(ref formatIn, ref medium, true);
}
DataObjectExtensions.WriteFileDescriptor((Stream)memoryStream, file);
}
dataObject.DataRequested += (EventHandler<DataRequestedEventArgs>)((sender, args) =>
{
int local_0 = (int)(short)DataFormats.GetDataFormat("FileContents").Id;
if ((int)args.Format.cfFormat != local_0 || args.Format.lindex < 0 || (args.Format.lindex >= files.Length || files[args.Format.lindex].ContentsFunc == null))
return;
args.Medium = DataObjectExtensions.WriteBytesToMedium(files[args.Format.lindex].ContentsFunc());
args.IsHandled = true;
});
IntPtr num = Marshal.AllocHGlobal((int)memoryStream.Length);
try
{
Marshal.Copy(memoryStream.GetBuffer(), 0, num, (int)memoryStream.Length);
}
catch
{
Marshal.FreeHGlobal(num);
throw;
}
STGMEDIUM medium1;
medium1.pUnkForRelease = (object)null;
medium1.tymed = TYMED.TYMED_HGLOBAL;
medium1.unionmember = num;
FORMATETC formatIn1 = new FORMATETC()
{
cfFormat = (short)DataFormats.GetDataFormat("FileGroupDescriptorW").Id,
dwAspect = DVASPECT.DVASPECT_CONTENT,
lindex = -1,
ptd = IntPtr.Zero,
tymed = TYMED.TYMED_HGLOBAL
};
dataObject.SetData(ref formatIn1, ref medium1, true);
}
public static VirtualFile[] GetVirtualFiles(this System.Windows.IDataObject dataObject, bool getContents)
{
System.Runtime.InteropServices.ComTypes.IDataObject dataObject1 = (System.Runtime.InteropServices.ComTypes.IDataObject)dataObject;
FORMATETC formatETC1;
DataObjectExtensions.FillFormatETC("FileGroupDescriptorW", TYMED.TYMED_HGLOBAL, out formatETC1);
STGMEDIUM medium1;
dataObject1.GetData(ref formatETC1, out medium1);
int length = Marshal.ReadInt32(medium1.unionmember);
IntPtr ptr = new IntPtr(medium1.unionmember.ToInt32() + 4);
VirtualFile[] virtualFileArray = new VirtualFile[length];
for (int index = 0; index < length; ++index)
{
VirtualFile virtualFile = VirtualFile.FromFileDescriptor((FILEDESCRIPTOR)Marshal.PtrToStructure(ptr, typeof(FILEDESCRIPTOR)));
if (getContents)
{
FORMATETC formatETC2;
DataObjectExtensions.FillFormatETC("FileContents", TYMED.TYMED_HGLOBAL, out formatETC2);
formatETC2.lindex = index;
formatETC2.tymed = TYMED.TYMED_ISTREAM;
STGMEDIUM medium2;
dataObject1.GetData(ref formatETC2, out medium2);
if (medium2.tymed == TYMED.TYMED_ISTREAM)
{
System.Runtime.InteropServices.ComTypes.IStream stream = (System.Runtime.InteropServices.ComTypes.IStream)Marshal.GetObjectForIUnknown(medium2.unionmember);
if (stream != null)
{
try
{
using (ComStream comStream = new ComStream(stream))
{
byte[] buffer = new byte[comStream.Length];
comStream.Read(buffer, 0, buffer.Length);
virtualFile.Contents = buffer;
}
}
finally
{
Marshal.ReleaseComObject((object)stream);
}
}
}
}
virtualFileArray[index] = virtualFile;
ptr = new IntPtr(ptr.ToInt32() + Marshal.SizeOf(typeof(FILEDESCRIPTOR)));
}
return virtualFileArray;
}
internal static VirtualFile FromFileDescriptor(FILEDESCRIPTOR fd)
{
VirtualFile virtualFile = new VirtualFile();
virtualFile.Name = fd.cFileName;
if ((fd.dwFlags & FileDescriptorFlags.FD_ATTRIBUTES) == FileDescriptorFlags.FD_ATTRIBUTES)
virtualFile.Attributes = (FileAttributes)fd.dwFileAttributes;
if ((fd.dwFlags & FileDescriptorFlags.FD_CREATETIME) == FileDescriptorFlags.FD_CREATETIME)
virtualFile.CreationTime = NativeUtilities.ToDateTime(fd.ftCreationTime);
if ((fd.dwFlags & FileDescriptorFlags.FD_ACCESSTIME) == FileDescriptorFlags.FD_ACCESSTIME)
virtualFile.LastAccessTime = NativeUtilities.ToDateTime(fd.ftLastAccessTime);
if ((fd.dwFlags & FileDescriptorFlags.FD_WRITESTIME) == FileDescriptorFlags.FD_WRITESTIME)
virtualFile.LastWriteTime = NativeUtilities.ToDateTime(fd.ftLastWriteTime);
return virtualFile;
}