一个简单的CSharp编的图片查看器，主要用于读者熟悉CSharp环境！适合于初学者！-CSharp made a simple picture viewer, mainly for readers familiar with the CSharp environment! Suitable for beginners!

图片查看功能,类似windows CAD图片查看器-Picture viewing capability, similar to the windows CAD picture viewer

C#图片查看器，包括旋转，预览，下一张上一张-C#How to realize the picture viewer