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;