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GeneralRe: Dialog box margins Pin
speedbump9921-Feb-19 10:02
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GeneralRe: Dialog box margins Pin
leon de boer22-Feb-19 6:05
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GeneralRe: Dialog box margins Pin
leon de boer22-Feb-19 5:39
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GeneralRe: Dialog box margins Pin
Maximilien23-Feb-19 1:49
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GeneralRe: Dialog box margins Pin
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AnswerRe: Dialog box margins Pin
leon de boer22-Feb-19 5:37
memberleon de boer22-Feb-19 5:37 
In standard Win32 API the dialog will be passed a WM_INITDIALOG message after it is created but before it is displayed.
WM_INITDIALOG message - Windows applications | Microsoft Docs[^]

You can simply do a call to GetClientRect to get the parent area and change the dialog that is what the message is for. You can also use CreateDialogIndirectParam, CreateDialogParam, DialogBoxIndirectParam, or DialogBoxParam and pass
a pointer to the area or anything else you may want to do at runtime.

If you have not got access to the dialogs parent window handle you can get it by using the dialog handle with
GetParent function | Microsoft Docs[^]
The dialog has been created and all functions on the handle work it just has not been made visible at that point.

You can also move and resize your child windows by handle or ID, they have all been created but nothing is visible at that point. You can also manually add child windows if you so desire at that point.

The WM_PAINT message to draw the dialog will be straight after that message and if it's a modal dialog it will then enter modal mode.

I am not sure how MFC encapsulates the WM_INITDIALOG probably ONINITDIALOG or something like that.
In vino veritas


modified 22-Feb-19 12:18pm.

GeneralRe: Dialog box margins Pin
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