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Bring to Front

Posted on 1998-10-18
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Last Modified: 2012-06-27
How can i bring my application written in delphi 1 to the front when another windows has openend in front of mine?
(Method Active doesn't work)
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Question by:ponti
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philipleighs earned 100 total points
ID: 1343294
Hi,

Add WinTypes and WinProcs to your uses clause.

Use:
SetForeGroundWindow(Form1.Handle);

Cheers,
Phil.

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by:rwilson032697
ID: 1343295
The active property determines whether your application has focus. Use MyMainForm.BringToFront to make your application active again. You could have a check in the OnIdle event handler of the TApplication object to check this automatically and keep your application in the front.

On the other hand, if you have a specific form that you always want to be in front of all the others then set its FormStyle to fsStayOnTop
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by:ponti
ID: 1343296
Both hints don't work. It is not a mdi child within my app, which should be in front of the others. Another app is in front of mine and i would like to bring my app to the front (delphi 1). What works when i set the formstyle to "stayontop". but when i reset the formstyle right after the app goes back to the background.
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Expert Comment

by:bryan7
ID: 1343297
hmm... I'm not sure, what happens if you drop a timer and every 4 or 5 seconds
 you set the formstyle as StayOnTop ?

bryan

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Expert Comment

by:rwilson032697
ID: 1343298
Have you tried setting the active property to true?
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Expert Comment

by:philipleighs
ID: 1343299
Hi,

I just created a new application in delphi, added a TTimer to the form and set the interval to 3000.

In the OnTimer event I call
SetForeGroundWindow(Application.Handle);

and then run the app. I alt tab to another program, and within 3 seconds the app is brought to the front.

Works for me.

PS:
If your form is minimised then it won't work. If this is the case the call
ShowWindow(Application.Handle, SW_RESTORE);
before SetForeGroundWindow.

PS2:
Prehaps you need Application.Handle, not just Handle which is the main form handle.

Cheers,
Phil.


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