DoModal() problem

I want to write a program: Dialog1 have a button (Show) and two edit box
to input x, y. When press Show, the other dialog (Dialog2) show something in
variables x, y.
Can I use DoModal() to diaplay Dialog2 . If can: How can I write something
to modal dialog.
If can not: Could you show me another way ?  

Thanks
nhcuongAsked:
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Blondie050798Commented:
Um...I sure this question is actually quite easy, but I didn't understand it...can you clarify the question again?

Do you have a dialog (Dialog1) which is displayed with DoModal(), and on it there are 2 edit boxes (x & y) and a button (Show).  When you press Show, another dialog box is displayed (Dialog2).  Apart from that, I'm a bit confused about the relationship that you require between the two dialogs...sorry I can't help anymore yet...let me have some more details...
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gelbertCommented:
You have to use DoModal() to implement modal dialog. To get information into modal dialog which is up( after DoModal() call), it has to make a call to request information. You can pass in information into dialog after you created object but before call to DoModal()

CYourDlg dlg;
dlg.SetXY( x, y );
dlg.DoModal();

OR

CYourdlg::OnInitDialog()
{
   GetParent()->GetXY( &x, &y );
}
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nhcuongAuthor Commented:
Hi gelbert,
But SetXY is not a member of CDialog.
Hi Blondie,
I only want Dialog2 can display data of Dialog1.

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nhcuongAuthor Commented:
HI,
Could you tell me more! I can do nothing from the early advice .
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gelbertCommented:
Derive your own class form CDialog and add SetXY/GetXY as a public member functions. There are only two ways to pass data into modal dialog.
First before it is up ( between construction and call to DoModal(), SetXY) and second is to request data from modal dialog (GetXY)
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