void CircularGaugeControl_MouseLeftButtonDown(object sender, MouseButtonEventArgs e) {
CircularGaugeControl gauge = sender as CircularGaugeControl;
if(gauge != null) {
CircularGaugeHitInfo hitInfo = gauge.CalcHitInfo(e.GetPosition(gauge));
if(hitInfo.InNeedle)
selectedNeedle = hitInfo.Needle;
}
}
private void circularGaugeControl1_MouseMove(object sender, MouseEventArgs e)
{
CircularGaugeHitInfo hitInfo =
circularGaugeControl1.CalcHitInfo(e.GetPosition(circularGaugeControl1));
if (hitInfo.InNeedle)
{
tooltip_text.Text = "Value: " + hitInfo.Needle.Value.ToString("n2");
tooltip.Placement = PlacementMode.Mouse;
tooltip.IsOpen = true;
}
else
{
tooltip.IsOpen = false;
}
}
private void circularGaugeControl1_MouseMove(object sender, MouseEventArgs e)
{
Point position = e.GetPosition(circularGaugeControl1);
CircularGaugeHitInfo hitInfo =
circularGaugeControl1.CalcHitInfo(position);
if (hitInfo.InNeedle)
{
tooltip_text.Text = "Value: " + hitInfo.Needle.Value.ToString("n2");
tooltip.HorizontalOffset = position.X;
tooltip.VerticalOffset = position.Y;
tooltip.IsOpen = true;
}
else
{
tooltip.IsOpen = false;
}
}
