摘要：
/// <summary> /// Returns a transparent background GIF image from the specified Bitmap. /// </summary> /// <param name="bitmap">The Bitmap to make transparent.</param> /// <param name="color">The Color to make transparent.</param> /// <retur 阅读全文
摘要：
/// <summary> /// Returns a transparent background GIF image from the specified Bitmap. /// </summary> /// <param name="bitmap">The Bitmap to make transparent.</param> /// <param name="color">The Color to make transparent.</param> /// <retur 阅读全文