public void RefreshWeatherItem(WeatherItemEventArgs weatherItemInfo)
{
try
{
// Invoke the RefreshInternal through its delegate
if (!this.IsDisposed && this.IsHandleCreated)
{
Invoke(new RefreshWeatherItemHelper(RefreshWeatherItemInvoked), new object[] { weatherItemInfo });
}
}
catch (Exception ex)
{
System.Diagnostics.Trace.WriteLine(ex.Message);
}
}
private void RefreshWeatherItemInvoked(WeatherItemEventArgs weatherItemInfo)
{
ITransformation transform = m_activeView.ScreenDisplay.DisplayTransformation as ITransformation;
if (transform == null)
{
return;
}
double[] iconDimensions = new double[2];
iconDimensions[0] = (double)weatherItemInfo.IconWidth;
iconDimensions[1] = (double)weatherItemInfo.IconHeight;
double[] iconDimensionsMap = new double[2];
transform.TransformMeasuresFF(esriTransformDirection.esriTransformReverse, 1, ref iconDimensionsMap[0], ref iconDimensions[0]);
m_invalidateExtent.PutCoords(0, 0, iconDimensionsMap[0], iconDimensionsMap[0]);
m_point.PutCoords(weatherItemInfo.mapX, weatherItemInfo.mapY);
m_invalidateExtent.CenterAt(m_point);
m_activeView.PartialRefresh(esriViewDrawPhase.esriViewGeography, m_weatherLayer, m_invalidateExtent);
m_activeView.ScreenDisplay.UpdateWindow();
}
/// <summary>
/// weather layer ItemAdded event handler
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
/// <remarks>gets fired when an item is added to the table</remarks>
private void OnWeatherItemAdded(object sender, WeatherItemEventArgs args)
{
// use the invoke helper since this event gets fired on a different thread
m_invokeHelper.RefreshWeatherItem(args);
}
