//I override the default event " Onclick"
//adding the detection of "triangle click"
protected override void OnMouseDown(MouseEventArgs e)
{
base.OnClick(e);
// if the user use this delegate...
if (this.TriangleClick != null)
{
//check if the user click on the left triangle
//or in the right with some geometrics rules...
//(is't possible to click all triangle at the same time )
int x = e.X;
int y = e.Y;
if ((x < _triangle) && (y <= (_triangle - x)) ||
(x > this.ClientRectangle.Width - _triangle) && (y >= (this.ClientRectangle.Height - _triangle - x)))
{
//try with right...
TriangleClickEventArgs te = new TriangleClickEventArgs(false);
//if not...
if ((x < _triangle) && (y <= (_triangle - x)))
{
te = new TriangleClickEventArgs(true);
}
this.TriangleClick(this, te);
}
}
}
void SpringButton8TriangleClick(object sender, Spring_Button.TriangleClickEventArgs e)
{
if (e.Isleft == true)
{
MessageBox.Show("A Click on the LEFT triangle!!");
}
else
{
MessageBox.Show("A Click on the RIGHT triangle!!");
}
}