private void axTOCControl1_OnMouseDown(object sender, ESRI.ArcGIS.Controls.ITOCControlEvents_OnMouseDownEvent e)
{
//Exit if not right mouse button
if (e.button != 2)
{
return;
}
IBasicMap map = new MapClass();
ILayer layer = new FeatureLayerClass();
object other = new Object();
object index = new Object();
esriTOCControlItem item = new esriTOCControlItem();
//Determine what kind of item has been clicked on
axTOCControl1.HitTest(e.x, e.y, ref item, ref map, ref layer, ref other, ref index);
//QI to IFeatureLayer and IGeoFeatuerLayer interface
if (layer == null)
{
return;
}
IFeatureLayer featureLayer = layer as IFeatureLayer;
if (featureLayer == null)
{
return;
}
IGeoFeatureLayer geoFeatureLayer = (IGeoFeatureLayer)featureLayer;
ISimpleRenderer simpleRenderer = (ISimpleRenderer)geoFeatureLayer.Renderer;
//Create the form with the SymbologyControl
frmSymbol symbolForm = new frmSymbol();
//Get the IStyleGalleryItem
IStyleGalleryItem styleGalleryItem = null;
//Select SymbologyStyleClass based upon feature type
switch (featureLayer.FeatureClass.ShapeType)
{
case esriGeometryType.esriGeometryPoint:
styleGalleryItem = symbolForm.GetItem(esriSymbologyStyleClass.esriStyleClassMarkerSymbols, simpleRenderer.Symbol);
break;
case esriGeometryType.esriGeometryPolyline:
styleGalleryItem = symbolForm.GetItem(esriSymbologyStyleClass.esriStyleClassLineSymbols, simpleRenderer.Symbol);
break;
case esriGeometryType.esriGeometryPolygon:
styleGalleryItem = symbolForm.GetItem(esriSymbologyStyleClass.esriStyleClassFillSymbols, simpleRenderer.Symbol);
break;
}
//Release the form
symbolForm.Dispose();
this.Activate();
if (styleGalleryItem == null)
{
return;
}
//Create a new renderer
simpleRenderer = new SimpleRendererClass();
//Set its symbol from the styleGalleryItem
simpleRenderer.Symbol = (ISymbol)styleGalleryItem.Item;
//Set the renderer into the geoFeatureLayer
geoFeatureLayer.Renderer = (IFeatureRenderer)simpleRenderer;
//Fire contents changed event that the TOCControl listens to
axPageLayoutControl1.ActiveView.ContentsChanged();
//Refresh the display
axPageLayoutControl1.Refresh(esriViewDrawPhase.esriViewGeography, null, null);
}
private void axTOCControl1_OnMouseDown(object sender, ESRI.ArcGIS.Controls.ITOCControlEvents_OnMouseDownEvent e)
{
//Exit if not right mouse button
if (e.button != 2) return;
IBasicMap map = new MapClass();
ILayer layer = new FeatureLayerClass();
object other = new Object();
object index = new Object();
esriTOCControlItem item = new esriTOCControlItem();
//Determine what kind of item has been clicked on
axTOCControl1.HitTest(e.x, e.y, ref item, ref map, ref layer, ref other, ref index);
//QI to IFeatureLayer and IGeoFeatuerLayer interface
if (layer == null) return;
IFeatureLayer featureLayer = layer as IFeatureLayer;
if (featureLayer == null) return;
IGeoFeatureLayer geoFeatureLayer = (IGeoFeatureLayer) featureLayer;
ISimpleRenderer simpleRenderer = (ISimpleRenderer) geoFeatureLayer.Renderer;
//Create the form with the SymbologyControl
frmSymbol symbolForm = new frmSymbol();
//Get the IStyleGalleryItem
IStyleGalleryItem styleGalleryItem = null;
//Select SymbologyStyleClass based upon feature type
switch (featureLayer.FeatureClass.ShapeType)
{
case esriGeometryType.esriGeometryPoint:
styleGalleryItem = symbolForm.GetItem(esriSymbologyStyleClass.esriStyleClassMarkerSymbols, simpleRenderer.Symbol);
break;
case esriGeometryType.esriGeometryPolyline:
styleGalleryItem = symbolForm.GetItem(esriSymbologyStyleClass.esriStyleClassLineSymbols, simpleRenderer.Symbol);
break;
case esriGeometryType.esriGeometryPolygon:
styleGalleryItem = symbolForm.GetItem(esriSymbologyStyleClass.esriStyleClassFillSymbols, simpleRenderer.Symbol);
break;
}
//Release the form
symbolForm.Dispose();
this.Activate();
if (styleGalleryItem == null) return;
//Create a new renderer
simpleRenderer = new SimpleRendererClass();
//Set its symbol from the styleGalleryItem
simpleRenderer.Symbol = (ISymbol) styleGalleryItem.Item;
//Set the renderer into the geoFeatureLayer
geoFeatureLayer.Renderer = (IFeatureRenderer) simpleRenderer;
//Fire contents changed event that the TOCControl listens to
axPageLayoutControl1.ActiveView.ContentsChanged();
//Refresh the display
axPageLayoutControl1.Refresh(esriViewDrawPhase.esriViewGeography, null, null);
}