Remove(Index: Integer): Boolean;
Index. Indicator index in the collection.
The Remove method removes an indicator from the collection by its index.
Available values:
True. Removal was successful.
False. Removal failed.
Executing the example requires a form with the following components: the Button component named Button1, the MapBox component named MapBox1, and the UiMap component named UiMap1. UiMap1 is a data source for MapBox1. The UiMap1 component should be linked to a map containing indicators on the Regions layer.
The example is a handler of the OnClick event for the Button1 component.
Add links to the Drawing, ExtCtrls, Forms, and Map system assemblies.
Sub Button1OnClick(Sender: Object; Args: IMouseEventArgs);
Var
Map: IMap;
Layer: IMapLayer;
Visuals: IMapLayerVisuals;
Begin
Map := UiMap1.Map;
Layer := Map.Layers.FindByName("Regions");
Visuals := Layer.Visuals;
Visuals.Remove(0);
End Sub Button1OnClick;
After executing the example the first indicator of the collection is removed from the Regions layer.
See also: