function EnumWindowsProc(hwnd: HWND; lParam: LPARAM): Boolean ;stdcall;// EnumWindows 专用的回调函数的格式:// function EnumWindowsProc(// hwnd: HWND; {找到的窗口句柄}// lParam: LPARAM {EnumWindows 传给的参数; 因为它是指针, 可传入, 但一般用作传出数据}// ): Boolean; stdcall; {函数返回 False 时, 调用它的 EnumWindows 将停止遍历并返回 False}function EnumWindowsProc(hwnd: HWND; lParam: LPARAM): Boolean ;stdcall;var WindowText : string ; // 窗体标题 WindowClass : string ; // 窗体类名 SendHwnd : DWORD ; // 发送按钮 tdiahandle : THandle ; tedithandle : THandle ; tduihuakhandle: THandle ; begin if ( IsWindowVisible(hwnd) or IsIconic(hwnd) ) and ( (GetWindowLong(hwnd, GWL_HWNDPARENT) = 0) or (GetWindowLong(hwnd, GWL_HWNDPARENT) = Longint(GetDesktopWindow)) ) and ( GetWindowLong(hwnd, GWL_EXSTYLE) and WS_EX_TOOLWINDOW = 0) then begin {-----标题文字------} SetLength(WindowText, GetWindowTextLength(hwnd)+2,',','); Getwindowtext(hwnd, Pchar(WindowText), GetWindowTextLength(hwnd)+2,',','); WindowText := string(Pchar(WindowText),',',');
{-----窗体类名------} SetLength(WindowClass, 512,',','); GetClassName(hwnd, Pchar(WindowClass), 512,',','); WindowClass := string(Pchar(WindowClass) ,',','); if SameStr(WindowClass , 'TXGuiFoundation') then begin Form1.mmo.Lines.Add(' 窗口标题：' + WindowText + ' 窗体类名: ' + WindowClass,',','); BringWindowToTop(hwnd,',','); SetWndText(hwnd,'hello,delphi test',',',');// tduihuakhandle := GetDlgItem(hwnd, 0,',',');// SendMessage()// SendHwnd := FindWindowEx(hwnd , 0, nil, '发送(S)',',','); //找到送信息按钮，// ShowMessage(string(SendHwnd),',','); end; end; Result := True; end;
procedure TForm1.btn1Click(Sender: TObject,',',');begin Form1.mmo.Clear;// EnumWindows 的功能是遍历所有顶层窗口// function EnumWindows(// lpEnumFunc: TFNWndEnumProc; {回调函数指针}// lParam: LPARAM {给回调函数的参数, 它对应回调函数的第二个参数}// ): BOOL; stdcall; //成功与否, 其实是返回了回调函数的返回值 EnumWindows(@EnumWindowsProc ,0,',','); FQQMessage := edtQQMessage.Text;end;
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