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Help to create main window with max size

cean
New Contributor II
727 Views

Hi,

 

My Fortran openGL program is using CreateWindowEx like this to create the main window:

hwnd = CreateWindowEx(           &
                    0,               &  ! Style
                    szApp,           &  ! lpClassName           
                    TITLE,           &  ! lpWindowName
                    wsflag,          &  ! dwStyle
                    CW_USEDEFAULT,   &  ! X
                    CW_USEDEFAULT,   &  ! Y
                    1200,            &  ! nWidth
                    800,             &  ! nHeight
                    NULL,            &  ! hWndParent
                    NULL,            &  ! hMenu
                    hInstance,       &  ! hInstance
                    NULL)               ! lpParam

    !                    1366,        &
    !                    768,        &
    !                CW_USEDEFAULT,   &  ! nWidth
    !                CW_USEDEFAULT,   &  ! nHeight

 If I use CW_USEDEFAULT for nWidth and nHeight, I still can't get a full screen window. My screen is set at 1920*1080.

How do I set it? Thanks for help.

 

Cheers,

Cean 

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cean
New Contributor II
630 Views

I have figured out.

 

After this line, use ShowWindow to change the window size.

 

    nCmdShow=SW_SHOWMAXIMIZED
    ignor = ShowWindow(hwnd, nCmdShow)           ! show windows

 

View solution in original post

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4 Replies
andrew_4619
Honored Contributor III
701 Views

what have you got set in wsflag, that has an effect on behaviour, do you have the WS_OVERLAPPEDWINDOW flag set.  I think you need that with CW_USEDEFAULT?

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cean
New Contributor II
678 Views

I just grabbed the CUBE demo code.

 

wsflag = or(or(WS_OVERLAPPEDWINDOW, WS_CLIPCHILDREN),WS_CLIPSIBLINGS)
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Robert_van_Amerongen
New Contributor III
651 Views

For fullscreen the dwstyle must contain WS_POPUP and not WS_OVERLAPPEDWINDOW. The required width and height can either be set (1920, 1080 in your case) or, better, be obtained by calls to GetSystemMetrics.

 

Robert

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cean
New Contributor II
631 Views

I have figured out.

 

After this line, use ShowWindow to change the window size.

 

    nCmdShow=SW_SHOWMAXIMIZED
    ignor = ShowWindow(hwnd, nCmdShow)           ! show windows

 

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