How can I set the width and height of a form in Delphi 7? The form contains different types of controls on it. I need to set the main form size to 127x263. It should change programmatically in a button click.
Like so:
MainForm.Width := 127;
MainForm.Height := 263;
Or perhaps you want to set the client area to those dimensions:
MainForm.ClientWidth := 127;
MainForm.ClientHeight := 263;
Of course, you most commonly set these properties in the Object Inspector at design time and then they are written to your form's .dfm file.
If you want such a change to occur on a button click add a handler for the button click that looks like this:
procedure TMainForm.Button1Click(Sender: TObject);
begin
Width := 127;
Height := 263;
end;
In this last excerpt you don't need to specify the MainForm
object instance because the event handler is a member of the TMainForm
class and so the Self
is implicit.
If you wish to follow Ulrich Gerhardt's advice (see comment) and use SetBounds
then you would write:
SetBounds(Left, Top, 127, 263);
Finally, if your form has Scaled = True
then you need to deal with font scaling. Hard coded pixel dimensions like this will not be appropriate for machines with font scaling set to a different value from your machine.
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