Automatically change your wallpaper according to whether your tablet is Landscape or Portrait mode
If you are looking for a binary(executable) file (.exe), please refer to Here.
如果你需要一个可执行文件，请访问这里.
The winform part is not big deal. But you may be interested in the multilang library which provide a way to globalize your application.
Please refer to Wiki for more details.
具体内容请参见Wiki页。