Show Dialog on Second Screen

void DlgSecondScreen::ResizeDialog(const CRect newRect)
{	
	// Resize Dialog 			
	SetWindowPos(&CWnd::wndTop, newRect.left, newRect.top, newRect.right, newRect.bottom,		
		SWP_SHOWWINDOW | // Displays the window.		
		SWP_NOCOPYBITS // Do NOT Save content
		);
}
 
void DlgSecondScreen::MaximizeOnSecondScreen(const HWND hWndParent)
{	
		HMONITOR hMonPrim = MonitorFromWindow(hWndParent,MONITOR_DEFAULTTOPRIMARY);			
		HMONITOR hMonSecond = MonitorFromWindow(hWndParent,MONITOR_DEFAULTTONEAREST);
		MONITORINFO MonitorInfo;
		MonitorInfo.cbSize = sizeof(MonitorInfo);
		// Rect of Current Monitor
		::GetMonitorInfo(hMonPrim,&MonitorInfo);		
		CRect Rect = MonitorInfo.rcMonitor;
		// Rect of Second Monitor
		::GetMonitorInfo(hMonSecond,&MonitorInfo);		
		CRect RectSecond = MonitorInfo.rcMonitor;
		// New Rect with second monitor
		Rect.left = Rect.Width() + 1;		
		Rect.right = Rect.left + RectSecond.Width();
		Rect.bottom = RectSecond.Height();
 
		ResizeDialog(Rect);
}

void DlgSecondScreen::ResizeDialog(const CRect newRect) { // Resize Dialog SetWindowPos(&CWnd::wndTop, newRect.left, newRect.top, newRect.right, newRect.bottom, SWP_SHOWWINDOW | // Displays the window. SWP_NOCOPYBITS // Do NOT Save content ); } void DlgSecondScreen::MaximizeOnSecondScreen(const HWND hWndParent) { HMONITOR hMonPrim = MonitorFromWindow(hWndParent,MONITOR_DEFAULTTOPRIMARY); HMONITOR hMonSecond = MonitorFromWindow(hWndParent,MONITOR_DEFAULTTONEAREST); MONITORINFO MonitorInfo; MonitorInfo.cbSize = sizeof(MonitorInfo); // Rect of Current Monitor ::GetMonitorInfo(hMonPrim,&MonitorInfo); CRect Rect = MonitorInfo.rcMonitor; // Rect of Second Monitor ::GetMonitorInfo(hMonSecond,&MonitorInfo); CRect RectSecond = MonitorInfo.rcMonitor; // New Rect with second monitor Rect.left = Rect.Width() + 1; Rect.right = Rect.left + RectSecond.Width(); Rect.bottom = RectSecond.Height(); ResizeDialog(Rect); }

void CDrawOnSecondScreenDlg::OnBnClickedButtonShow()
{
	if (theApp.m_pDlgSecondScreen != NULL) {
		theApp.m_pDlgSecondScreen->SetForegroundWindow();
		theApp.m_pDlgSecondScreen->SetFocus();
	}
	else {		
		theApp.m_pDlgSecondScreen = new DlgSecondScreen;
		theApp.m_pDlgSecondScreen->Create(DlgSecondScreen::IDD);				
 
		// Get handle of Monitor		
		HWND hWndParent = ::GetParent(m_hWnd);
		theApp.m_pDlgSecondScreen->MaximizeOnSecondScreen(hWndParent);
		// Ausgabe initialisieren		
		theApp.m_pDlgSecondScreen->ShowWindow(SW_SHOW);	
	}	
}

void CDrawOnSecondScreenDlg::OnBnClickedButtonShow() { if (theApp.m_pDlgSecondScreen != NULL) { theApp.m_pDlgSecondScreen->SetForegroundWindow(); theApp.m_pDlgSecondScreen->SetFocus(); } else { theApp.m_pDlgSecondScreen = new DlgSecondScreen; theApp.m_pDlgSecondScreen->Create(DlgSecondScreen::IDD); // Get handle of Monitor HWND hWndParent = ::GetParent(m_hWnd); theApp.m_pDlgSecondScreen->MaximizeOnSecondScreen(hWndParent); // Ausgabe initialisieren theApp.m_pDlgSecondScreen->ShowWindow(SW_SHOW); } }