private void clearLocationsToolStripMenuItem_Click(object sender, EventArgs e)
{
IMapControl3 mapControl = (IMapControl3)axMapControl1.Object;
IEngineNetworkAnalystHelper naHelper = m_naEnv as IEngineNetworkAnalystHelper;
IEngineNAWindow naWindow = m_naWindow;
INALayer naLayer = naWindow.ActiveAnalysis;
naHelper.DeleteAllNetworkLocations();
mapControl.Refresh(esriViewDrawPhase.esriViewGeography, naLayer, mapControl.Extent);
}
public override void OnClick()
{
IEngineNetworkAnalystEnvironment naEnv = new EngineNetworkAnalystEnvironmentClass();
IEngineNetworkAnalystHelper naHelper = naEnv as IEngineNetworkAnalystHelper;
IEngineNAWindow naWindow = naEnv.NAWindow;
// Get the NALayer and corresponding NAContext of the layer that
// was right-clicked on in the table of contents
// m_MapControl.CustomProperty was set in frmMain.axTOCControl1_OnMouseDown
INALayer naLayer = (INALayer)m_mapControl.CustomProperty;
INAContext naContext = naLayer.Context;
// Set the active Analysis layer
if (naWindow.ActiveAnalysis != naLayer)
{
naWindow.ActiveAnalysis = naLayer;
}
// Remember what the current category is
IEngineNAWindowCategory currentCategory = naWindow.ActiveCategory;
// Loop through deleting all the items from all the categories
INamedSet naClasses = naContext.NAClasses;
for (int i = 0; i < naClasses.Count; i++)
{
IEngineNAWindowCategory category = naWindow.get_CategoryByNAClassName(naClasses.get_Name(i));
naWindow.ActiveCategory = category;
naHelper.DeleteAllNetworkLocations();
}
//Reset to the original category
naWindow.ActiveCategory = currentCategory;
m_mapControl.Refresh(esriViewDrawPhase.esriViewGeography, naLayer, m_mapControl.Extent);
}