[Lazarus] Setting String Properties of Custom Component = AV
Lee Jenkins
lee at datatrakpos.com
Fri May 2 14:45:43 CEST 2008
Mattias Gaertner wrote:
> On Thu, 01 May 2008 19:57:33 -0400
> Lee Jenkins <lee at datatrakpos.com> wrote:
>
>> [...]
>> Sorry Mattias, I wasn't clear enough. When I site the component at
>> *design time*, the mouse down events do not fire at *runtime*. In
>> the create event, I have this:
>>
>> constructor TPOSButton.Create(AOwner: TComponent);
>> begin
>> inherited Create(AOwner);
>> Self.OnMouseDown := HandleMouseDown; // <== handlers with correct
>> signatures. self.OnMouseUp := HandleMouseUp;
>> end;
>
> Components should not set their own events, but instead override the
> methods. For example
>
> protected
> procedure MouseDown(Button: TMouseButton; Shift: TShiftState; X,
> Y: Integer); override;
>
> procedure TPOSButton.MouseDown(Button: TMouseButton; Shift:
> TShiftState; X, Y: Integer);
> begin
> inherited MouseDown(Button, Shift, X, Y);
> end;
>
>
> Mattias
That was it, Mattias. Thank you, I am learning quite a bit about component
writing which is a new endeavor for me.
I have just one more problem with this component which is centering the text
vertically. I had posted a separate thread above concerning this and once I
figure out how to get the text to center vertically, I should this component
right where I want it :)
Thanks again, everyone's help is most appreciated.
--
Warm Regards,
Lee
"When my company started out, we were really, really, really, really small.
Now...we're just really small."
More information about the Lazarus
mailing list