C#开发的简单程序，可以针对具体的窗口发送后台按键，使用win32 api，底层钩子实现(C# development of simple procedures, you can send the background button for specific windows, using Win32 API, the bottom hook to achieve)

configure: Release the Win32------ 2> ------ Build started: Project: Client_Wrapper Configuration: Release the Win32------ 3> ------ activated generation: projects: SkillData_Convert, configuration: Release the Win32------ 4> ------ Build st