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.NET Forum / Visual Studio.NET / General / June 2005SetDialogBkColor
Hi All, Is this the only way to substitute for SetDialogBkColor?? HBRUSH CAboutDlg::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor) { HBRUSH hbr = CreateSolidBrush(RGB(255,0,0)); return hbr; } If so, then all my controls still have a white background even though I made them transparent!!! Thanks for any help Srishti From your description, I get that you would like to transparent your dialog's background, so I suggest you using SetLayeredWindowAttributes to make your dialog transparent. Try add following code inside your dialog's initialization handler to see the effect. //--------------------------- ::SetWindowLong(this->m_hWnd, GWL_EXSTYLE, ::GetWindowLong(this->m_hWnd, GWL_EXSTYLE) | WS_EX_LAYERED); // Make this window 70% alpha ::SetLayeredWindowAttributes(this->m_hWnd, RGB(222,235,239), (255 * 50) / 100, LWA_ALPHA); //------------------------------ Please let me know if my answer helps you resolve the problem. If there is anything more I can assist you, please feel free to let me know. Thanks, Rhett Gong [MSFT] Microsoft Online Partner Support Get Secure! - www.microsoft.com/security http://support.microsoft.com/default.aspx?scid=/servicedesks/msdn/nospam.asp &SD=msdn This posting is provided "AS IS" with no warranties and confers no rights. Hi Rhett, Thanks a lot, though that's not exactly what I wanted to do, though it's pretty cool!! I'm sorry I wasn't clear enough. I was porting my application form VC6.0 to VC.NET2003, and sice the function SetDialogBkColor is obsolete in the .NET version, I was looking for the best way to substitute for it. Do I have to do the OnCtlColor for every Dialog box in my application or there is a better way. And if I have to use OnCtlColor, then as I said earlier all the other controls (static text etc.)had a white background on a say, red dialog, I would like to have the controls come up in the same background color as the dialog. Do you know know what I mean?? It's probably something really simple, but I coudn't get it to do it... Thanks a whole lot Srishti Hi Srishti, >And if I have to use OnCtlColor, then as I said earlier all the other >controls (static text etc.)had a white background on a say, red dialog, >I would like to have the controls come up in the same background >color as the dialog. OK, if you want a red background About dialogbox with black static text controls on it, you may declare a CBrush m_brush member varible in the CAboutDlg class first, and in its constructor function create the red brush: CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) { m_brush .CreateSolidBrush(RGB (255, 0, 0 )) ; } then in its OnCtlColor handler function: HBRUSH CAboutDlg::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor) { if (nCtlColor == CTLCOLOR_DLG ) return (HBRUSH) m_brush .GetSafeHandle ( ) ; //set the dialog's background brush if (pWnd->GetDlgCtrlID() == IDC_STATIC) { // Set the text color to red pDC->SetTextColor(RGB(0, 0, 0)); // Set the background mode for text to transparent // so background will show thru. pDC->SetBkMode(TRANSPARENT); // Return handle to our CBrush object hbr = m_brush; } //for other kinds of the dialog's child controls, set their foreground color and make their background mode to transparent as the above return hbr; } >Do I have to do the OnCtlColor for every Dialog box in my application >or there is a better way. AFAIK, there is no better way than the OnCtlColor in MFC 7. If all the dialog box has the same background color and text color in your application, I suggest you can customize a dialog class(from the CDialog) as the above sample CAboutDlg, then use this customized dialog class as the base class of all the other dialog classes in your project. Thanks! Best regards, Gary Chang Microsoft Community Support -------------------- Get Secure! ¡§C www.microsoft.com/security Register to Access MSDN Managed Newsgroups! http://support.microsoft.com/default.aspx?scid=/servicedesks/msdn/nospam.asp &SD=msdn This posting is provided "AS IS" with no warranties, and confers no rights. Thanks a lot Gary, that was really helpful! Regards Srishti > Hi Srishti, > [quoted text clipped - 62 lines] > > This posting is provided "AS IS" with no warranties, and confers no rights. It's OK, Srishti, we are glad to help you on this issue:) Good Luck! Best regards, Gary Chang Microsoft Community Support -------------------- Get Secure! ¡§C www.microsoft.com/security Register to Access MSDN Managed Newsgroups! http://support.microsoft.com/default.aspx?scid=/servicedesks/msdn/nospam.asp &SD=msdn This posting is provided "AS IS" with no warranties, and confers no rights. Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
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