public void btnChangeLayerFilter(object sender, EventArgs e)
{
var labelExpression = ((RadioButton)sender).Tag;
QueuedTask.Run(() =>
{
//Get the active map's definition - CIMMap.
var cimMap = MapView.Active.Map.GetDefinition();
//Get the labeling engine from the map definition
var cimGeneralPlacement = cimMap.GeneralPlacementProperties;
if (cimGeneralPlacement is CIMMaplexGeneralPlacementProperties)
{
Debug.WriteLine("already using maplex");
}
else
{
//Create a new Maplex label engine properties
var cimMaplexGeneralPlacementProperties = new CIMMaplexGeneralPlacementProperties();
//Set the CIMMap's GeneralPlacementProperties to the new label engine
cimMap.GeneralPlacementProperties = cimMaplexGeneralPlacementProperties;
}
FeatureLayer a = MapView.Active.Map.Layers[1] as FeatureLayer;
if (labelExpression.ToString() == "None")
{
a.SetLabelVisibility(false);
}
else
{
//var featureLayer = MapView.Active.Map.GetLayersAsFlattenedList().OfType<FeatureLayer>().FirstOrDefault(s => s.ShapeType == esriGeometryType.esriGeometryPolyline);
a.SetLabelVisibility(true);
a.LabelClasses[0].SetExpression(labelExpression.ToString()); //$feature.RMNUMB + TextFormatting.NewLine + $feature.RMAREA
CIMTextSymbol s = a.LabelClasses[0].GetTextSymbol();
s.SetSize(14);
a.LabelClasses[0].SetTextSymbol(s);
var lyrDefn = a.GetDefinition() as CIMFeatureLayer;
//Get the label classes - we need the first one
var listLabelClasses = lyrDefn.LabelClasses.ToList();
var theLabelClass = listLabelClasses.FirstOrDefault();
theLabelClass.MaplexLabelPlacementProperties.ThinDuplicateLabels = true;
lyrDefn.LabelClasses = listLabelClasses.ToArray(); //Set the labelClasses back
a.SetDefinition(lyrDefn); //set the layer's definition
}
});
}
/// <summary>
/// Change the active map's labeling engine from Standard to Maplex or vice versa
/// </summary>
/// <remarks>Switches between the Maplex and Standard labeling engines. The current label engine's properties are stored so they can be restored when swicthed back.</remarks>
/// <returns></returns>
private static Task ChangeLabelEngineAsync()
{
return(QueuedTask.Run(() =>
{
#region Change the active map's labeling engine from Standard to Maplex or vice versa
//Note: call within QueuedTask.Run()
//Get the active map's definition - CIMMap.
var cimMap = MapView.Active.Map.GetDefinition();
//Get the labeling engine from the map definition
var cimGeneralPlacement = cimMap.GeneralPlacementProperties;
if (cimGeneralPlacement is CIMMaplexGeneralPlacementProperties)
{
//Current labeling engine is Maplex labeling engine
//store the current label engine props if needed.
var maplexLabelEngineProps = cimGeneralPlacement;
//Create a new standard label engine properties
var cimStandardPlacementProperties = new CIMStandardGeneralPlacementProperties();
//Set the CIMMap's GeneralPlacementProperties to the new label engine
cimMap.GeneralPlacementProperties = cimStandardPlacementProperties;
}
else
{
//Current labeling engine is Standard labeling engine
//store the current label engine props if needed.
var standardLabelEngine = cimGeneralPlacement;
//Create a new Maplex label engine properties
var cimMaplexGeneralPlacementProperties = new CIMMaplexGeneralPlacementProperties();
//Set the CIMMap's GeneralPlacementProperties to the new label engine
cimMap.GeneralPlacementProperties = cimMaplexGeneralPlacementProperties;
}
//Set the map's definition
MapView.Active.Map.SetDefinition(cimMap);
#endregion
}));
}
public void btnChangeLayerFilter(object sender, EventArgs e)
{
var labelExpression = ((RadioButton)sender).Tag;
QueuedTask.Run(() =>
{
//Get the active map's definition - CIMMap.
var cimMap = MapView.Active.Map.GetDefinition();
//Get the labeling engine from the map definition
var cimGeneralPlacement = cimMap.GeneralPlacementProperties;
if (cimGeneralPlacement is CIMMaplexGeneralPlacementProperties)
{
Debug.WriteLine("already using maplex");
}
else
{
//Create a new Maplex label engine properties
var cimMaplexGeneralPlacementProperties = new CIMMaplexGeneralPlacementProperties();
//Set the CIMMap's GeneralPlacementProperties to the new label engine
cimMap.GeneralPlacementProperties = cimMaplexGeneralPlacementProperties;
}
FeatureLayer a = MapView.Active.Map.Layers[1] as FeatureLayer;
if (labelExpression.ToString() == "None")
{
a.SetLabelVisibility(false);
}
else
{
a.SetLabelVisibility(true);
a.LabelClasses[0].SetExpression(labelExpression.ToString()); //$feature.RMNUMB + TextFormatting.NewLine + $feature.RMAREA
CIMTextSymbol s = a.LabelClasses[0].GetTextSymbol();
s.SetSize(14);
a.LabelClasses[0].SetTextSymbol(s);
}
});
}
