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BJ
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 Posted: Sun Apr 01, 2007 2:41 pm Post subject: Button |
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Hi,
Is there a way that you can put two lines in the caption of a button? |
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Remy Lebeau (TeamB)
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| Posted: Mon Apr 02, 2007 12:01 am Post subject: Re: Button |
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"BJ" <caophong (AT) gmail (DOT) com> wrote in message
news:460f703a$1 (AT) newsgroups (DOT) borland.com...
| Quote: | Is there a way that you can put two lines in the caption of a
button? |
Yes, but not at design-time, unless you write (or find) and install a
new component for that.
To do what you ask, you need to change the Button's window style to
include the BS_MULTILINE flag, and then you can use line breaks in
your Caption string.
The best way to handle that is to derive a new class from the Button
and then override the CreateParams() method, ie:
class TMyButton : public TButton
{
protected:
virtual void __fastcall CreateParams(TCreateParams &Params);
};
void __fastcall TMyButton::CreateParams(TCreateParams &Params)
{
TButton::CreateParams(Params);
Params.Style |= BS_MULTILINE;
}
If you do not derive a new class, then you will have to use
Get/SetWindowLong(), and also subclass the standard Button's
WindowProc property, ie:
private:
TWndMethod OldButtonWndProc;
void __fastcall ButtonWndProc(TMessage &Message);
void __fastcall SetButtonStyle(TButton *Button);
__fastcall TForm1::TForm1(TCompoent *Owner)
: TForm(Owner)
{
OldButtonWndProc = Button1->WindowProc;
Button1->WindowProc = ButtonWndProc;
SetButtonStyle(Button1);
}
void __fastcall TForm1::ButtonWndProc(TMessage &Message)
{
OldButtonWndProc(Message);
if( Message.Msg == CM_RECREATEWND )
SetButtonStyle(Button1);
}
void __fastcall TForm1::SetButtonStyle(TButton *Button)
{
long style = GetWindowLong(Button->Handle, GWL_STYLE);
if( (style & BS_MULTILINE) == 0 )
SetWindowLong(Button->Handle, GWL_STYLE, style |
BS_MULTILINE);
}
Gambit |
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BJ
Guest
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| Posted: Fri Apr 06, 2007 4:19 am Post subject: Re: Button |
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Thanks Gambit. I'll give it a try. |
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