Win32APIClass.cs,WINDOWS下C#版的系统API，例如User32.dll里面的函数：GetParent(IntPtr hWnd)，该函数获得一个指定子窗口的父窗口句柄。每个API函数都有中文注释，方便扩展使用。-Win32APIClass.cs, WINDOWS under the C# version of the system API, such as User32.dll inside the function: GetParent (IntPtr hWnd), which function to obtain a specified child window s parent window handle. Each API function has Chinese Notes to facilitate expansion.