ArcObjects Library Reference (Editor)

IEditProperties.SketchSymbol Property

[Visual Basic .NET]
Public Property SketchSymbol As ILineSymbol

[C#]
public ILineSymbol SketchSymbol {get; set;}

Available with ArcGIS Desktop.

Use this property to change the symbology for lines (segments) in the edit sketch. The default line symbol is a solid green line with a width of one.

[C#]

public void ChangeSketchColor()
{
    //get editor extension
    UID editorUID=new UID();
    editorUID.Value="esriEditor.Editor";
    IEditor editor=m_application.FindExtensionByCLSID(editorUID) as IEditor;

    IRgbColor rgbColor=new RgbColor();
    rgbColor.Red=255;

    ILineSymbol lineSymbol=new SimpleLineSymbol();
    lineSymbol.Color=rgbColor;

    IEditProperties editProperties=editor as IEditProperties;
    editProperties.SketchSymbol=lineSymbol;
}