ArcObjects Library Reference (Editor)

IEditProperties.SelectedVertexSymbol Property

[Visual Basic .NET]
Public Property SelectedVertexSymbol As IMarkerSymbol

[C#]
public IMarkerSymbol SelectedVertexSymbol {get; set;}

Available with ArcGIS Desktop.

Use this property to change the symbology of the last point in the edit sketch. By default this point is drawn in red and has a size of 4.

[C#]

This sample assums you have a reference to IApplication from the OnCreate hook parameter (IApplication app = hook).

public void ChangeActiveVertexSymbol()
  {
    IEditor vEditor;
    vEditor = app.FindExtensionByName("ESRI Object Editor") as IEditor;
    IEditProperties editProperties;
    editProperties = vEditor as IEditProperties;
    IRgbColor vertexColor = new RgbColorClass();
      vertexColor.Green = 255;
      IMarkerSymbol activeVertexSym = new SimpleMarkerSymbolClass();
      activeVertexSym.Color = vertexColor;
      activeVertexSym.Size = 3;
      editProperties.SelectedVertexSymbol = activeVertexSym;
  }