public static bool AttemptVsFormat(HierarchyNode activeNode, ushort cfFormat, Microsoft.VisualStudio.OLE.Interop.IDataObject pDataObject, uint grfKeyState, out DropDataType pddt)
{
pddt = DropDataType.None;
FORMATETC fmtetc = new FORMATETC();
fmtetc.cfFormat = cfFormat;
fmtetc.ptd = IntPtr.Zero;
fmtetc.dwAspect = (uint)DVASPECT.DVASPECT_CONTENT;
fmtetc.lindex = -1;
fmtetc.tymed = (uint)TYMED.TYMED_HGLOBAL;
bool hasData = false;
try
{
QueryGetData(pDataObject, ref fmtetc);
hasData = true;
}
catch
{
}
if (hasData)
{
try
{
STGMEDIUM stgmedium = GetData(pDataObject, ref fmtetc);
if (stgmedium.tymed == (uint)TYMED.TYMED_HGLOBAL)
{
IntPtr hDropInfo = stgmedium.unionmember;
if (hDropInfo != IntPtr.Zero)
{
pddt = DropDataType.VsRef;
try
{
activeNode.AddFiles(UtilGetFilesFromPROJITEMDrop(hDropInfo));
}
finally
{
Marshal.FreeHGlobal(hDropInfo);
}
return(true);
}
}
}
catch (Exception e)
{
Trace.WriteLine("Exception:" + e.Message);
}
catch
{
Trace.WriteLine("Exception");
}
}
return(false);
}
