creating child dialog box

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i am using dsplayer Playing audio and video using DirectShow[^] in which they created dialog box using

C#

g_hDialogWindow = CreateDialog(hInstance, MAKEINTRESOURCE(IDD_DLGDSPLAYER), NULL, (DLGPROC)DlgDSPlayerProc);

now i want to create another child dialog box for taking input from user

so i have added another dialog box into resource

and in winmain i added

C++

g_hDialogWindow2 = CreateDialog(hInstance, MAKEINTRESOURCE(IDD_DLGDSPLAYER2), NULL, (DLGPROC)DlgDSPlayerProc2);

but i am able to see only two button ok and cancel , even dialog background is also not visible.

Posted 22-Mar-12 23:01pm

pranav_30

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nv3 23-Mar-12 5:50am

I would check two things: (1) Is the syntax of your second dialog resource correct? If you only see two buttons, chances are your dialog resource is wrong. (2) What happens in DlgDSplayerProc2? Did you code that yourself? If yes, I would assume you didn't handle some messages correctly in there.

pranav_30 23-Mar-12 5:57am

what is wrong in second dialog rsource?
wel i have just added one dialog resource in resource editor which have by default two button ok & cancel

& my DlgDSplayerProc2 is as follows

BOOL CALLBACK DlgDSPlayerProc2(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
bool handled = false;

switch (message)
{
case WM_INITDIALOG:
return TRUE;
}
}

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nv3 · Accepted Answer · 2012-03-23T02:25:00

Solution 1

Looks like you forgot to return FALSE for all messages that your dialog procedure does not process. So either insert a

return FALSE;

at the end, or insert a

switch (message)
{
  ...
default:
    return FALSE;
}

default case in the switch statement.

Posted 23-Mar-12 2:25am

nv3

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pranav_30 23-Mar-12 8:46am

thanksssss :)