public static FILEDESCRIPTOR[] GetFileDescriptors(System.Runtime.InteropServices.ComTypes.IDataObject DataObject, out IntPtr hGlobal)
{
FORMATETC _req = new FORMATETC();
_req.tymed = TYMED.TYMED_HGLOBAL;
_req.dwAspect = DVASPECT.DVASPECT_CONTENT;
_req.cfFormat = (short)(System.Windows.DataFormats.GetDataFormat("FileGroupDescriptorW").Id);
_req.lindex = -1;
STGMEDIUM _val;
DataObject.GetData(_req, out _val);
hGlobal = _val.unionmember;
IntPtr _fgptr = GlobalLock(_val.unionmember);
NativeMethods.FILEGROUPDESCRIPTOR _fg;
_fg = (NativeMethods.FILEGROUPDESCRIPTOR)Marshal.PtrToStructure(_fgptr, typeof(NativeMethods.FILEGROUPDESCRIPTOR));
_fgptr = new IntPtr(_fgptr.ToInt64() + 4);
NativeMethods.FILEDESCRIPTOR[] _fileDesc = new NativeMethods.FILEDESCRIPTOR[_fg.cItems];
for (int _i = 0; _i < _fg.cItems; _i++)
{
_fileDesc[_i] = (NativeMethods.FILEDESCRIPTOR)Marshal.PtrToStructure(_fgptr, typeof(NativeMethods.FILEDESCRIPTOR));
_fgptr = new IntPtr(_fgptr.ToInt64() + Marshal.SizeOf(typeof(NativeMethods.FILEDESCRIPTOR)));
}
return(_fileDesc);
}
/// <summary>
/// Provides data for the specified data format (FILEGROUPDESCRIPTOR/FILEDESCRIPTOR)
/// </summary>
/// <param name="fileDescriptors">Collection of virtual files.</param>
public void SetData(IEnumerable <FileDescriptor> fileDescriptors)
{
// Prepare buffer
var bytes = new List <byte>();
// Add FILEGROUPDESCRIPTOR header
bytes.AddRange(StructureBytes(new NativeMethods.FILEGROUPDESCRIPTOR {
cItems = (uint)(fileDescriptors.Count())
}));
// Add n FILEDESCRIPTORs
foreach (var fileDescriptor in fileDescriptors)
{
// Set required fields
var FILEDESCRIPTOR = new NativeMethods.FILEDESCRIPTOR
{
cFileName = fileDescriptor.Name,
};
// Set optional timestamp
if (fileDescriptor.ChangeTimeUtc.HasValue)
{
FILEDESCRIPTOR.dwFlags |= NativeMethods.FD_CREATETIME | NativeMethods.FD_WRITESTIME;
var changeTime = fileDescriptor.ChangeTimeUtc.Value.ToLocalTime().ToFileTime();
var changeTimeFileTime = new System.Runtime.InteropServices.ComTypes.FILETIME
{
dwLowDateTime = (int)(changeTime & 0xffffffff),
dwHighDateTime = (int)(changeTime >> 32),
};
FILEDESCRIPTOR.ftLastWriteTime = changeTimeFileTime;
FILEDESCRIPTOR.ftCreationTime = changeTimeFileTime;
}
// Set optional length
if (fileDescriptor.Length.HasValue)
{
FILEDESCRIPTOR.dwFlags |= NativeMethods.FD_FILESIZE;
FILEDESCRIPTOR.nFileSizeLow = (uint)(fileDescriptor.Length & 0xffffffff);
FILEDESCRIPTOR.nFileSizeHigh = (uint)(fileDescriptor.Length >> 32);
}
// Add structure to buffer
bytes.AddRange(StructureBytes(FILEDESCRIPTOR));
}
// Set CFSTR_FILEDESCRIPTORW
SetData(FILEDESCRIPTORW, bytes);
// Set n CFSTR_FILECONTENTS
var index = 0;
foreach (var fileDescriptor in fileDescriptors)
{
SetData(FILECONTENTS, index, fileDescriptor.StreamContents);
index++;
}
}
public static FILEDESCRIPTOR[] GetFileDescriptors(System.Runtime.InteropServices.ComTypes.IDataObject DataObject, out IntPtr hGlobal)
{
FORMATETC _req = new FORMATETC();
_req.tymed = TYMED.TYMED_HGLOBAL;
_req.dwAspect = DVASPECT.DVASPECT_CONTENT;
_req.cfFormat = (short)(System.Windows.DataFormats.GetDataFormat("FileGroupDescriptorW").Id);
_req.lindex = -1;
STGMEDIUM _val;
DataObject.GetData(_req, out _val);
hGlobal = _val.unionmember;
IntPtr _fgptr = GlobalLock(_val.unionmember);
NativeMethods.FILEGROUPDESCRIPTOR _fg;
_fg = (NativeMethods.FILEGROUPDESCRIPTOR)Marshal.PtrToStructure(_fgptr, typeof(NativeMethods.FILEGROUPDESCRIPTOR));
_fgptr = new IntPtr(_fgptr.ToInt64() + 4);
NativeMethods.FILEDESCRIPTOR[] _fileDesc = new NativeMethods.FILEDESCRIPTOR[_fg.cItems];
for (int _i = 0; _i < _fg.cItems; _i++)
{
_fileDesc[_i] = (NativeMethods.FILEDESCRIPTOR)Marshal.PtrToStructure(_fgptr, typeof(NativeMethods.FILEDESCRIPTOR));
_fgptr = new IntPtr(_fgptr.ToInt64() + Marshal.SizeOf(typeof(NativeMethods.FILEDESCRIPTOR)));
}
return _fileDesc;
}
public void SetData(List<FileDescriptor> fileDescriptors) {
// Prepare buffer
var bytes = new List<byte>();
// Add FILEGROUPDESCRIPTOR header
bytes.AddRange(StructureBytes(new NativeMethods.FILEGROUPDESCRIPTOR { cItems = (uint)(fileDescriptors.Count()) }));
// Add n FILEDESCRIPTORs
foreach (var fileDescriptor in fileDescriptors) {
// Set required fields
var FILEDESCRIPTOR = new NativeMethods.FILEDESCRIPTOR {
cFileName = fileDescriptor.Name,
};
// Set optional timestamp
if (fileDescriptor.ChangeTimeUtc.HasValue) {
FILEDESCRIPTOR.dwFlags |= NativeMethods.FD_CREATETIME | NativeMethods.FD_WRITESTIME;
var changeTime = fileDescriptor.ChangeTimeUtc.Value.ToLocalTime().ToFileTime();
var changeTimeFileTime = new FILETIME {
dwLowDateTime =
(int)(changeTime & 0xffffffff),
dwHighDateTime =
(int)(changeTime >> 32),
};
FILEDESCRIPTOR.ftLastWriteTime = changeTimeFileTime;
FILEDESCRIPTOR.ftCreationTime = changeTimeFileTime;
}
// Set optional length
if (fileDescriptor.Length.HasValue) {
FILEDESCRIPTOR.dwFlags |= NativeMethods.FD_FILESIZE;
FILEDESCRIPTOR.nFileSizeLow = (uint)(fileDescriptor.Length & 0xffffffff);
FILEDESCRIPTOR.nFileSizeHigh = (uint)(fileDescriptor.Length >> 32);
}
// Add structure to buffer
bytes.AddRange(StructureBytes(FILEDESCRIPTOR));
}
// Set CFSTR_FILEDESCRIPTORW
switch (Source) {
case DragAndDropSource.ListView:
SetData(FILESOURCE, Encoding.ASCII.GetBytes("ListView\0"));
break;
case DragAndDropSource.ListViewSearch:
SetData(FILESOURCE, Encoding.ASCII.GetBytes("ListViewSearch\0"));
break;
case DragAndDropSource.TreeView:
SetData(FILESOURCE, Encoding.ASCII.GetBytes("TreeView\0"));
break;
case DragAndDropSource.SpriteEditor:
SetData(FILESOURCE, Encoding.ASCII.GetBytes("SpriteEditor\0"));
break;
case DragAndDropSource.ResourceExtractor:
SetData(FILESOURCE, Encoding.ASCII.GetBytes("ResourceExtractor\0"));
break;
case DragAndDropSource.Other:
SetData(FILESOURCE, Encoding.ASCII.GetBytes("Other\0"));
break;
}
SetData(FILEDESCRIPTORW, bytes);
// Set n CFSTR_FILECONTENTS
var index = 0;
foreach (var fileDescriptor in fileDescriptors) {
SetData(FILECONTENTS, index, fileDescriptor);
index++;
}
}
public void SetData(List <FileDescriptor> fileDescriptors)
{
// Prepare buffer
var bytes = new List <byte>();
// Add FILEGROUPDESCRIPTOR header
bytes.AddRange(StructureBytes(new NativeMethods.FILEGROUPDESCRIPTOR {
cItems = (uint)(fileDescriptors.Count())
}));
// Add n FILEDESCRIPTORs
foreach (var fileDescriptor in fileDescriptors)
{
// Set required fields
var FILEDESCRIPTOR = new NativeMethods.FILEDESCRIPTOR {
cFileName = fileDescriptor.Name,
};
// Set optional timestamp
if (fileDescriptor.ChangeTimeUtc.HasValue)
{
FILEDESCRIPTOR.dwFlags |= NativeMethods.FD_CREATETIME | NativeMethods.FD_WRITESTIME;
var changeTime = fileDescriptor.ChangeTimeUtc.Value.ToLocalTime().ToFileTime();
var changeTimeFileTime = new FILETIME {
dwLowDateTime =
(int)(changeTime & 0xffffffff),
dwHighDateTime =
(int)(changeTime >> 32),
};
FILEDESCRIPTOR.ftLastWriteTime = changeTimeFileTime;
FILEDESCRIPTOR.ftCreationTime = changeTimeFileTime;
}
// Set optional length
if (fileDescriptor.Length.HasValue)
{
FILEDESCRIPTOR.dwFlags |= NativeMethods.FD_FILESIZE;
FILEDESCRIPTOR.nFileSizeLow = (uint)(fileDescriptor.Length & 0xffffffff);
FILEDESCRIPTOR.nFileSizeHigh = (uint)(fileDescriptor.Length >> 32);
}
// Add structure to buffer
bytes.AddRange(StructureBytes(FILEDESCRIPTOR));
}
// Set CFSTR_FILEDESCRIPTORW
switch (Source)
{
case DragAndDropSource.ListView:
SetData(FILESOURCE, Encoding.ASCII.GetBytes("ListView\0"));
break;
case DragAndDropSource.ListViewSearch:
SetData(FILESOURCE, Encoding.ASCII.GetBytes("ListViewSearch\0"));
break;
case DragAndDropSource.TreeView:
SetData(FILESOURCE, Encoding.ASCII.GetBytes("TreeView\0"));
break;
case DragAndDropSource.SpriteEditor:
SetData(FILESOURCE, Encoding.ASCII.GetBytes("SpriteEditor\0"));
break;
case DragAndDropSource.ResourceExtractor:
SetData(FILESOURCE, Encoding.ASCII.GetBytes("ResourceExtractor\0"));
break;
case DragAndDropSource.Other:
SetData(FILESOURCE, Encoding.ASCII.GetBytes("Other\0"));
break;
}
SetData(FILEDESCRIPTORW, bytes);
// Set n CFSTR_FILECONTENTS
var index = 0;
foreach (var fileDescriptor in fileDescriptors)
{
SetData(FILECONTENTS, index, fileDescriptor);
index++;
}
}
