protected override void OnResize(EventArgs e)
{
manipulate_place = ManipulatePlace.None;
SetImage();
base.OnResize(e);
Invalidate();
}
protected override void OnMouseUp(MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
manipulate_place = ManipulatePlace.None;
}
base.OnMouseUp(e);
}
protected override void OnMouseDown(MouseEventArgs e)
{
if (e.Button == MouseButtons.Left && IsValidSize())
{
manipulate_place = ManipulatePlace.None;
if (IsCircleArea(e.X, e.Y))
{
manipulate_place = ManipulatePlace.Circle;
AcceptManipulateCircle(e);
}
else if (IsTriangleArea(e.X, e.Y))
{
manipulate_place = ManipulatePlace.Triangle;
AcceptManipulateTriangle(e);
}
}
base.OnMouseDown(e);
}
protected override void OnMouseLeave(EventArgs e)
{
manipulate_place = ManipulatePlace.None;
base.OnMouseLeave(e);
}
