/// <summary>
/// Extracts 16*16 icon when ImageContainer is constructed with PowerItem data
/// </summary>
public void ExtractSmall()
{
if (_smallBitmap != null)
{
return;
}
var smallIconHandle = GetUnmanagedIcon(API.Shgfi.SMALLICON);
if (smallIconHandle != IntPtr.Zero)
{
SmallBitmap = ExtractInternal(smallIconHandle);
SmallBitmap.Freeze();
Util.PostBackgroundIconDestroy(smallIconHandle);
}
#if DEBUG
else
{
Log.Raw("FAILED with code " + Marshal.GetLastWin32Error(), _initialObject);
}
#endif
_smallExtracted = true;
}
/// <summary>
/// Constructs the instance of ImageContainer from the HICON extracted already
/// </summary>
/// <param name="unmanagedIcon">HICON you have already extracted</param>
public ImageContainer(IntPtr unmanagedIcon)
{
SmallBitmap = ExtractInternal(unmanagedIcon);
SmallBitmap.Freeze();
LargeBitmap = SmallBitmap;
}