2010. május 21., péntek
Change a form's caption font and alignment (2)
Problem/Question/Abstract:
Does anyone know how to write text with the TEXTOUT command in the title bar of a form in D5?
Answer:
You have to handle the WM_NCPAINT message.
{ ... }
type
TForm1 = class(TForm)
private
procedure WMNCPaint(var Msg: TWMNCPaint); message WM_NCPAINT;
public
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
procedure TForm1.WMNCPaint(var Msg: TWMNCPaint);
var
ACanvas: TCanvas;
begin
inherited;
ACanvas := TCanvas.Create;
try
ACanvas.Handle := GetWindowDC(Form1.Handle);
with ACanvas do
begin
Brush.Color := clActiveCaption;
Font.Name := 'Tahoma';
Font.Size := 8;
Font.Color := clred;
Font.Style := [fsItalic, fsBold];
TextOut(GetSystemMetrics(SM_CYMENU) + GetSystemMetrics(SM_CXBORDER),
Round((GetSystemMetrics(SM_CYCAPTION) - Abs(Font.Height)) / 2) + 1,
' Some Text');
end;
finally
ReleaseDC(Form1.Handle, ACanvas.Handle);
ACanvas.Free;
end;
end;
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