Difference between revisions of "Canvas line"

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(Dont paint in the OnClick event!)
m (Fixed syntax highlighting)
 
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This code will draw the diagonals in a form:
 
This code will draw the diagonals in a form:
<syntaxhighlight>
+
 
 +
<syntaxhighlight lang="pascal">
 
procedure TForm1.Form1Paint(Sender: TObject);
 
procedure TForm1.Form1Paint(Sender: TObject);
 
begin
 
begin

Latest revision as of 02:32, 7 February 2020

The Canvas.Line(x1, y1, x2, y2) statement will draw a line from point (x1, y1) to (x2, y2).

The coordinates of the canvas are:

canvas2.png


This code will draw the diagonals in a form:

procedure TForm1.Form1Paint(Sender: TObject);
begin
  Canvas.Line(0, 0, Width-1, Height-1);
  Canvas.Line(0, Height-1, Width-1 ,0);
end;

See also