C# Winform 已知窗体句柄，如何遍历出所有控件句柄
public delegate bool CallBack(int hwnd, int lParam); public delegate bool EnumWindowsProc(int hWnd, int lParam);
List
[DllImport("user32.dll")]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool EnumChildWindows(IntPtr hwndParent, EnumWindowsProc lpEnumFunc, IntPtr lParam);
[DllImport("user32.dll")]
public static extern int GetWindowText(int hWnd, IntPtr lpString, int nMaxCount);
private void toolStripButton5_Click(object sender, EventArgs e)
{
list.Clear();
EnumChildWindows(this.Handle, this.EnumWindowsMethod, IntPtr.Zero);
//这里得到了所有的子窗口list.Count;
//this.Handle改成你已得到的窗体句柄
}
private bool EnumWindowsMethod(int hWnd, int lParam)
{
IntPtr lpString = Marshal.AllocHGlobal(200);
GetWindowText(hWnd, lpString, 200);//这里获得控件text
var text = Marshal.PtrToStringAnsi(lpString);
if (!string.IsNullOrWhiteSpace(text))
list.Add(text);//添加到list，如果要获得句柄就新建list添加hWnd
return true;
}
//public delegate bool CallBack(int hwnd, int lParam);//public delegate bool EnumWindowsProc(int hWnd, int lParam);//[DllImport("User32.dll", EntryPoint = "FindWindow", SetLastError = false)]//public static extern int FindWindow(string lpClassName, string lpWindowName);//[DllImport("user32.dll")]//[return: MarshalAs(UnmanagedType.Bool)]//public static extern bool Enumchildwindows(IntPtr hwndParent, EnumWindowsProc lpEnumFunc, IntPtr lParam);//[DllImport("user32.dll")]//public static extern int GetWindowText(int hWnd, StringBuilder lpString, int nMaxCount);//[DllImport("user32.dll")]//public static extern int EnumThreadWindows(int dwThreadId, CallBack lpfn, int lParam);//[DllImport("user32.dll")]//public static extern int EnumWindows(CallBack lpfn, int lParam);//[DllImport("user32.dll")]//public static extern int EnumChildWindows(int hWndParent, CallBack lpfn, int lParam);
参考链接：https://zhidao.baidu.com/question/1575352645104568900.html
https://ask.csdn.net/questions/673027