ArcObjects Library Reference (Editor)  

IEditProperties.SelectedVertexSymbol Property

Symbol used to draw the active vertex of the edit sketch.

[Visual Basic .NET]
Public Property SelectedVertexSymbol As IMarkerSymbol
[C#]
public IMarkerSymbol SelectedVertexSymbol {get; set;}

Product Availability

Available with ArcGIS Desktop.

Remarks

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;
  }

See Also

IEditProperties Interface | IEditProperties.SketchVertexSymbol Property | IEditProperties.SketchSymbol Property | IEditProperties.SnapSymbol Property