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How to disable the "escape" key?

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3 replies

by bkfan

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In my program, I want to prevent the running application from stopping by pressing the "escape" key. Could anybody tell me how to disable the "escape" key in the program?

P.S.:the program was written in Delphi, and it is used to comunicate with some smart terminals in real-time mode.

3 replies

by fenaikh

Hi
This is a part of the folowing topic from borland site.
good luck

Mohamed

"
Oh, one critical point: In order for this to work, the form's KeyPreview property must be set to True. Depending on the way your form handles KeyPress events, you might need to modify a few event handlers to accommodate this feature.

procedure TMainform.FormKeyDown(
Sender: TObject; var Key: Word;
Shift: TShiftState);
begin
if Key = VK_ESCAPE then begin
if UseTray then Application.Minimize
else if CloseOnEscape then Close;
Key := 0;//optional; could prevent some weirdness
end;
end;

"
A Dozen Tips to Make Your Applications Work Like a Dream
http://www.borland.com/delphi/news/delphi_developer/dozentips.html

by bkfan

Mohamed ,

It seemed your code didn't work. My Do Loop in the program still stop as long as the 'escape' is pressed. What to do?

Ben

by parkin_thom

Be certain the KeyPreview property is set to TRUE on all components that could have the focus when the user presses ESCape.

THOM

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