delphide mause olayları - Genel Paylaşım Forumu

#1 23 July 2009, 11:27

mausenin sağ tuşuna basılıp sürüklenince çizgi orta tuşuyla kare sol tuşuyla daire çizen program kodları

Form1: TForm1;
x1,x2,y1,y2:integer;

implementation

{$R *.dfm}

procedure TForm1.FormMouseDown(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
begin
x1:=x;
y1:=y;
end;

procedure TForm1.FormMouseUp(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
begin
x2:=x;
y2:=y;

if shift=[ssalt] then begin
form1.canvas.Pen.Width:=20;
end;
if shift=[ssshift] then begin
form1.Canvas.Pen.Color:=clblue;
end;
if shift=[ssctrl] then begin
form1.Color:=clred;
form1.canvas.pen.color:=clgreen;
end;
if (button=mbleft) then begin
form1.Canvas.MoveTo(x1,y1);
form1.Canvas.lineTo(x2,y2);
form1.canvas.pen.color:=clwhite;

end;
if (button=mbright) then begin
form1.Canvas.ellipse(x1,y1,x2,y2);
form1.canvas.pen.color:=clwhite;
end;
if (button=mbmiddle) then begin
form1.Canvas.rectangle(x1,y1,x2,y2);
form1.canvas.pen.color:=clwhite;
end;
end;

procedure TForm1.FormCreate(Sender: TObject);
begin
form1.color:=clblack;
end;

end.

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