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Questions - keydown

Delphi VCL app, how to disable the default behavior of a KeyDown event?

While I was reading code, I found that in the KeyDown event you can set Key := 0; to stop processing the event any further. For example: TIncrementalForm.FormKeyDown is coded as: procedure TIncrementa...
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Fajela Tajkiya

delphi

events

event-handling

keyboard-events

keydown

Votes: 0

Answers: 2

Latest Answer

The key here (no pun intended) is to use OnKeyPress instead of OnKeyDown: procedure TForm1.Memo1KeyPress(Sender: TObject; var Key: Char); begin if Key = 'x' then begin Key := #0; Memo1.Lin...
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Andreas Rejbrand

Get the Keyboard Keydown event and Write the key name on a Label

my requirement is to write the keyup events and write it on a label, I have developed the functionality for it, but it not efficient or optimized, I need some help to optimize the code, and some direc...
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Santhosh kumar Narayanasamy

c#

winforms

keypress

keydown

keyup

Votes: 0

Answers: 2

Latest Answer

For the most part using the string formatter eg. $"{key}" for an enumeration will work. When the are not human friendly then a more specific implementation is needed - as suggested by @Reza ...
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Lloyd Woollard

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