public static System.Drawing.Icon SmallIcon(string fileName)
{
if (MonoHelper.IsUnix)
{
return(System.Drawing.Icon.ExtractAssociatedIcon(fileName));
}
SHFILEINFO shinfo = new SHFILEINFO();
if (NativeMethods.SHGetFileInfo(fileName, 0, ref shinfo, (uint)Marshal.SizeOf(shinfo), SHGFI_ICON | SHGFI_SMALLICON) == IntPtr.Zero)
{
Marshal.ThrowExceptionForHR(Marshal.GetHRForLastWin32Error());
}
System.Drawing.Icon tmp = System.Drawing.Icon.FromHandle(shinfo.hIcon);
try
{
System.Drawing.Icon res = (System.Drawing.Icon)tmp.Clone();
tmp.Dispose();
NativeMethods.DestroyIcon(shinfo.hIcon);
return(res);
}
catch
{}
return(null);
}