private void create ( ) {
// forget last image list if any:
hIml = IntPtr.Zero;
if ( isXpOrAbove ( ) ) {
// Get the System IImageList object from the Shell:
Guid iidImageList = new Guid ( "46EB5926-582E-4017-9FDF-E8998DAA0950" );
int ret = SHGetImageList (
(int)size,
ref iidImageList,
ref iImageList
);
// the image list handle is the IUnknown pointer, but
// using Marshal.GetIUnknownForObject doesn't return
// the right value. It really doesn't hurt to make
// a second call to get the handle:
SHGetImageListHandle ( (int)size, ref iidImageList, ref hIml );
} else {
// Prepare flags:
SHGetFileInfoConstants dwFlags = SHGetFileInfoConstants.SHGFI_USEFILEATTRIBUTES | SHGetFileInfoConstants.SHGFI_SYSICONINDEX;
if ( size == SystemImageListSize.SmallIcons ) {
dwFlags |= SHGetFileInfoConstants.SHGFI_SMALLICON;
}
// Get image list
SHFILEINFO shfi = new SHFILEINFO ( );
uint shfiSize = (uint)Marshal.SizeOf ( shfi.GetType ( ) );
// Call SHGetFileInfo to get the image list handle
// using an arbitrary file:
hIml = SHGetFileInfo (
".txt",
FILE_ATTRIBUTE_NORMAL,
ref shfi,
shfiSize,
(uint)dwFlags );
Debug.Assert ( ( hIml != IntPtr.Zero ), "Failed to create Image List" );
}
}
#endregion
