public static extern IntPtr SHGetFileInfo(string pszPath, uint dwFileAttributes, ref SHFILEINFO psfi, uint cbSizeFileInfo, uint uFlags);
public Image GetSystemIcon(string path)
{//FIXME: set and use last mod date of file to invalidate cache.
if (_iconCache.ContainsKey(path))
{
return _iconCache[path];
}
try
{
SHFILEINFO shFileInfo = new SHFILEINFO();
IntPtr iconPtr = Win32.SHGetFileInfo(path, 0, ref shFileInfo, (uint)Marshal.SizeOf(shFileInfo), Win32.SHGFI_ICON | Win32.SHGFI_SMALLICON);
_iconCache.Add(path, Icon.FromHandle(shFileInfo.hIcon).ToBitmap());
}
catch (Exception e) { }
//if we still have no icon here for some reason, return one
if (!_iconCache.ContainsKey(path))
_iconCache.Add(path, new System.Drawing.Bitmap(8, 8));
return _iconCache[path];
}
