private async void UpdateManometers()
{
GaugeNeedleIndicator manometer1Indicator = (GaugeNeedleIndicator)this.manometer1.Indicators[0];
GaugeNeedleIndicator manometer2Indicator = (GaugeNeedleIndicator)this.manometer2.Indicators[0];
GaugeNeedleIndicator manometer3Indicator = (GaugeNeedleIndicator)this.manometer3.Indicators[0];
GaugeNeedleIndicator manometer4Indicator = (GaugeNeedleIndicator)this.manometer4.Indicators[0];
while (true)
{
await Task.Delay(250);
manometer1Indicator.Value = _random.Next(20, 40);
await Task.Delay(250);
manometer2Indicator.Value = _random.Next(80, 100);
await Task.Delay(250);
manometer3Indicator.Value = _random.Next(120, 140);
await Task.Delay(250);
manometer4Indicator.Value = _random.Next(160, 180);
}
}
private void PickerIndicatorType_SelectedIndexChanged(object sender, EventArgs e)
{
GaugeNeedleIndicator needle = (GaugeNeedleIndicator)this.gauge1.Indicators[0];
string needleName = this.pickerIndicators.Items[this.pickerIndicators.SelectedIndex];
this.UpdateNeedleGeometry(needle, needleName);
this.UpdateNeedleStroke(needle, needleName);
}
private void UpdateNeedleGeometry(GaugeNeedleIndicator needle, string needleName)
{
object needleGeometryObject;
this.Resources.TryGetValue(needleName, out needleGeometryObject);
RadPathGeometry needleGeometry = needleGeometryObject as RadPathGeometry;
if (needleGeometry != null)
{
needle.Shape = needleGeometry;
}
else
{
needle.ClearValue(GaugeNeedleIndicator.ShapeProperty);
}
}
private void UpdateNeedleStroke(GaugeNeedleIndicator needle, string needleName)
{
if (needleName == "Needle1")
{
needle.Stroke = Color.Red;
needle.StrokeThickness = 3;
}
else if (needleName == "Needle2")
{
needle.Stroke = Color.Red;
needle.StrokeThickness = 2;
}
else
{
needle.Stroke = Color.Default;
needle.StrokeThickness = 0;
}
}
