public Icon LoadIcon(string filename, LoadIconFlags flags)
{
if (!System.IO.Directory.Exists(filename) && !System.IO.File.Exists(filename))
{
return(null);
}
SHFILEINFO fileinfo = new SHFILEINFO();
SHGFIFLAGS gfiflags = SHGFIFLAGS.SHGFI_ICON;// | SHGFIFLAGS.SHGFI_ADDOVERLAYS;
if ((flags & LoadIconFlags.LargeIcon) != 0)
{
gfiflags |= SHGFIFLAGS.SHGFI_LARGEICON;
}
else if ((flags & LoadIconFlags.SmallIcon) != 0)
{
gfiflags |= SHGFIFLAGS.SHGFI_SMALLICON;
}
if ((flags & LoadIconFlags.OpenIcon) != 0)
{
gfiflags |= SHGFIFLAGS.SHGFI_OPENICON;
}
int hres = Shell32.SHGetFileInfo(filename, 0, ref fileinfo, Marshal.SizeOf(fileinfo), gfiflags);
Icon ico = Icon.FromHandle(fileinfo.hIcon);
Bitmap bm1 = ico.ToBitmap();
//Debug.Write("Icon " + bm1.Size.ToString() + " : " + bm1.PixelFormat.ToString() + "\r\n");
return(ico);
}
private static extern int SHGetFileInfo(
string pszPath,
int dwFileAttributes,
ref SHFILEINFO psfi,
int cbFileInfo,
SHGFIFLAGS uFlags
);