Re: Trapping button message?

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#14813

From: Mattias Carleson
Date: Wed, 30 Jul 2003 15:59

22 lines
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Hi!
The trapping seems to work, but the ControlAtPos() doesnt return anything
but NULL
although the coordinates in 'TPoint click' is within the TSpeedButtons
limits. Any idea why?
My speedbutton is placed upon a TCoolBar.

(The syntax for ControlAtPos should be ControlAtPos(click,false) I think.)
/Mattias


> void __fastcall TForm1::AppMessage(tagMSG &Msg, bool &Handled)
> {
>    if(Msg.message == WM_LBUTTONDOWN)
>    {
>          TPoint click=Form1->ScreenToClient(Msg.pt);
>          TControl* cntrl=Form1->ControlAtPos(click,False,False);
>          if(!cntrl)return;
>          if(SpeedButton1 ==
dynamic_cast<TSpeedButton*>(cntrl))ShowMessage("Button event catched!");
>    }
> }

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Subject: Re: Trapping button message?
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