怎么在image上画一个椭圆,是不填充的那种
picimg.Canvas.Pen.Style :=psdash;
picimg.Canvas.Pen.Mode :=Pmxor;
picimg.Canvas.Ellipse (topleft.X,topleft.Y ,botright.X ,botright.y);
这样行吗!!
picimg.Canvas.Pen.Style :=psdash;
picimg.Canvas.Pen.Mode :=Pmxor;
picimg.Canvas.Ellipse (topleft.X,topleft.Y ,botright.X ,botright.y);
这样行吗!!
添加上了这句就不行了呢,画的时候看的见,但是抬起鼠标就什么也没有了!!!
picimg.Canvas.Ellipse (topleft.X,topleft.Y ,botright.X ,botright.y);