private void mainImage_MouseLeave(object sender, MouseEventArgs e)
{
if (Drawing)
{
Drawing = false;
SelectedTool.EndDrawing(GetPoint(e));
Draw();
}
this.Cursor = Cursors.Arrow;
}
private void mainImage_MouseUp(object sender, MouseButtonEventArgs e)
{
Drawing = false;
SelectedTool.EndDrawing(GetPoint(e));
Draw();
}