quote: Warning: calling DestroyWindow in CDialog::~CDialog -- OnDestroy or PostNcDestroy in derived class will not be called.Has anyone ever managed to get modelss dialogs working? Cheers, Steve Steve
DirectX Programmer
Soon to be the new Bill Gates
Modeless Dialogs and MFC - How?
Author
How do you create a modelss dialog with MFC? I know you can use CDialog::DoModal() to create a modal one, but the MSDN says to use CDialog::Create(). If i use that, i need to use new to create the dialog, otherwise it goes out of scope and closes. The problem is that OnDestroy() isn''t ever called, and i get a message in the debug output saying:
DirectX Programmer
Soon to be the new Bill Gates
DirectX Programmer
Soon to be the new Bill Gates
A search on google for "modeless dialog mfc" turns up several links, including several msdn pages...
Among the results was:
http://www.codeproject.com/dialog/modelesssibling.asp
Also, for MFC stuff generally try www.codeguru.com, they usually have some good stuff, for example, http://codeguru.earthweb.com/propertysheet/modeless_wizard.shtml
Alan
Among the results was:
http://www.codeproject.com/dialog/modelesssibling.asp
Also, for MFC stuff generally try www.codeguru.com, they usually have some good stuff, for example, http://codeguru.earthweb.com/propertysheet/modeless_wizard.shtml
Alan
Author
Thanks, I''ll take a look at the code project link. I actually had a look at CodeGuru.com, and didn''t see anything of much use.
Cheers,
Steve
Steve
DirectX Programmer
Soon to be the new Bill Gates
Cheers,
Steve
Steve
DirectX Programmer
Soon to be the new Bill Gates
May be able to answer your Q:
[from the MSDN CDialog front page]
When you implement a modeless dialog box, always override the OnCancel member function and call DestroyWindow from within it. Don''t call the base class CDialog::OnCancel, because it calls EndDialog, which will make the dialog box invisible but will not destroy it. You should also override PostNcDestroy for modeless dialog boxes in order to delete this, since modeless dialog boxes are usually allocated with new. Modal dialog boxes are usually constructed on the frame and do not need PostNcDestroy cleanup.
[/from the MSDN CDialog front page]
I would like to know (on a related yet selfishly thread hijacking matter) how to communicate between the main prog and the modeless box. For example in a drawing program which requires properties of a graphics object; the dialog box for example has an x and y edit box... How do i update the main prog on manipulation of the box values?
[from the MSDN CDialog front page]
When you implement a modeless dialog box, always override the OnCancel member function and call DestroyWindow from within it. Don''t call the base class CDialog::OnCancel, because it calls EndDialog, which will make the dialog box invisible but will not destroy it. You should also override PostNcDestroy for modeless dialog boxes in order to delete this, since modeless dialog boxes are usually allocated with new. Modal dialog boxes are usually constructed on the frame and do not need PostNcDestroy cleanup.
[/from the MSDN CDialog front page]
I would like to know (on a related yet selfishly thread hijacking matter) how to communicate between the main prog and the modeless box. For example in a drawing program which requires properties of a graphics object; the dialog box for example has an x and y edit box... How do i update the main prog on manipulation of the box values?
quote:Original post by TheHermit
I would like to know (on a related yet selfishly thread hijacking matter) how to communicate between the main prog and the modeless box. ...How do i update the main prog on manipulation of the box values?
TN026: DDX and DDV Routines
Alternatively, define a user message and use that (along with PostMessage) to pass data between the dialog and the main window.
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