static bool TryGetResourceValue(System.Runtime.InteropServices.ComTypes.IDataObject dataObject, string resourceName, out string value)
{
value = string.Empty;
FORMATETC formatEtc = new FORMATETC();
formatEtc.cfFormat = (short)System.Windows.Forms.DataFormats.GetFormat(resourceName).Id;
formatEtc.ptd = IntPtr.Zero;
formatEtc.dwAspect = DVASPECT.DVASPECT_CONTENT;
formatEtc.lindex = -1;
formatEtc.tymed = TYMED.TYMED_HGLOBAL;
STGMEDIUM stg = new STGMEDIUM();
stg.pUnkForRelease = null;
stg.tymed = TYMED.TYMED_HGLOBAL;
#pragma warning suppress 56523
stg.unionmember = SafeNativeMethods.GlobalAlloc(SafeNativeMethods.GMEM_SHARE, 255);
if (stg.unionmember == IntPtr.Zero)
{
return(false);
}
try
{
dataObject.GetDataHere(ref formatEtc, ref stg);
}
catch (Exception ex)
{
if (Utilities.IsCriticalException(ex))
{
throw;
}
return(false);
}
value = Marshal.PtrToStringUni(stg.unionmember);
SafeNativeMethods.ReleaseStgMedium(ref stg);
return(true);
}
