本程序通过C#中Bitmap类与GDI+技术相结合，开发出图片管理工具。其中有变了文件夹，转换格式，设置特效，加水印，调整亮度与对比度，幻灯片效果放映等-The procedure of Bitmap class in C# and GDI+ technology, the development of image management tools. Which have changed the folder, convert format, set the special effects, a