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Changing an initial position of a dialog

Posted on 1999-01-13
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Last Modified: 2013-11-20
I want to create a dialog that will start at a known position (not in the middle of the screen as the default).
I tried:
BOOL CMyDlg::PreCreateWindow(CREATESTRUCT& cs)
{      
    cs.cy = Const;
    cs.cx = Const;
    cs.y = Const;    
    cs.x = Const;      

    return CDialog::PreCreateWindow(cs);
}
But it doesn't work.
Any ideas?
Thanks.
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Question by:gilbert_chang
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10 Comments
 
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Accepted Solution

by:
nil_dib earned 160 total points
ID: 1327597
Try
SetWindowPos( &wndTopMost, 5, 5, 80, 80, SWP_SHOWWINDOW);
in OnInitDialog().
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Author Comment

by:gilbert_chang
ID: 1327598
I have. Doesn't work.
0
 
LVL 4

Expert Comment

by:nil_dib
ID: 1327599
Oppps ....
this work fine in my app ....
BOOL CMyDlg::OnInitDialog()
{
      CDialog::OnInitDialog();

      SetWindowPos( &wndTopMost, 5, 5, 80, 80, SWP_SHOWWINDOW);
      
      return TRUE;  // return TRUE  unless you set the focus to a control
}

did you delete the PreCreateWindow method?
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Author Comment

by:gilbert_chang
ID: 1327600
I did delete the PreCreateWindow method.
All this line does is change the dimensions of the window, but not it's position.
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LVL 4

Expert Comment

by:nil_dib
ID: 1327601
mail me your code
jds1@ipa.fhg.de
0
 
LVL 4

Expert Comment

by:nil_dib
ID: 1327602
mmhhh....
the code works fine
I set the lParam to a value, and the dialog is displayed in the
top left corner.

LONG lParam = 100;

CMyDlg dia;
xPos = LOWORD(lParam);  // horizontal position of cursor
yPos = HIWORD(lParam);  // vertical position of cursor
...

Could it be that the lParam is exact the value of the mid screen coorinates?
Try to set xPos and yPos to a value.
CMyDlg dia;
xPos = 100;  // horizontal position of cursor
yPos = 100;  // vertical position of cursor
and look for the result ....

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LVL 4

Expert Comment

by:nil_dib
ID: 1327603
Another idea: look for the return value of SetWindowPos.
Should be 1.
0
 

Author Comment

by:gilbert_chang
ID: 1327604
It shouldn't matter much, since when I tried your:
SetWindowPos( &wndTopMost, 5, 5, 80, 80, SWP_SHOWWINDOW);
It didn't work either, with nothing to do with xPos,yPos.
I debugged, and got xPos=550, yPos=y , so it should have changed something anyway.
Is it possible that I am creating some kind of a dialog that resets its position after OnInitDialog?
Thanks.
0
 
LVL 4

Expert Comment

by:nil_dib
ID: 1327605
No, I've tested your code and it works (with lParam = 100).
>>and got xPos=550, yPos=y
What is y (What is the value of lParam)?
Which compiler?
Do you have other windows displayed at the same time?
 

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Author Comment

by:gilbert_chang
ID: 1327606
y=0, VC++5,I have another window (The main window) displayed at the same time.
The window we are talking about should be one that pops when the mouse moves over something.
thanks
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