| this.Controls.Add(this.button1); this.Controls.Add(this.button2); this.Name = "TestForm1"; this.Text = "TestForm1"; this.ResumeLayout(false); } #endregion private void button1_Click(object sender, System.EventArgs e) { IntPtr hwnd_win ; IntPtr hwnd_button ; hwnd_win = FindWindow("WindowsForms10.Window.8.app3","Form1"); hwnd_button = FindWindowEx(hwnd_win ,new IntPtr(0) ,"WindowsForms10.BUTTON.app3","button1"); const int BM_CLICK = 0x00F5; Message msg = Message.Create(hwnd_button ,BM_CLICK ,new IntPtr(0),new IntPtr(0)); PostMessage(msg.HWnd ,msg.Msg ,msg.WParam ,msg.LParam); } private void button2_Click(object sender, System.EventArgs e) { const int WM_CHAR = 0x0102; IntPtr hwnd_win ; IntPtr hwnd_textbox ; hwnd_win = FindWindow("WindowsForms10.Window.8.app3","Form1"); hwnd_textbox = FindWindowEx(hwnd_win ,new IntPtr(0) ,"WindowsForms10.EDIT.app3","textBox1"); string strtext = "测试aaa"; UnicodeEncoding encode = new UnicodeEncoding(); char[] chars = encode.GetChars(encode.GetBytes(strtext)); Message msg ; foreach (char c in chars ) { msg = Message.Create(hwnd_textbox ,WM_CHAR ,new IntPtr(c),new IntPtr(0)); PostMessage(msg.HWnd ,msg.Msg ,msg.WParam ,msg.LParam); } } [DllImport("user32.dll")] public static extern IntPtr FindWindow(string lpClassName, string lpWindowName); [DllImport("user32.dll")] public static extern IntPtr FindWindowEx(IntPtr hwndParent,IntPtr hwndChildAfter,string lpszClass,string lpszWindow); [DllImport("user32.dll",CharSet=CharSet.Unicode)] public static extern IntPtr PostMessage(IntPtr hwnd,int wMsg,IntPtr wParam,IntPtr lParam); } 以上代码可以在VS.NET中编译运行,也可以使用csc.exe编译,如使用一下命令行: F:>csc.exe Form1.cs F:>csc.exe TestForm1.cs |