Displays the Line Decoration Editor dialog for the given symbol and returns a flag indicating if the symbol changed.
[Visual Basic .NET] Public Function EditLineDecoration ( _ ByRef lineDecoration As ILineDecoration, _ ByVal previewLine As ILineSymbol, _ ByVal hWnd As Integer _ ) As Boolean
[C#] public bool EditLineDecoration ( ref ILineDecoration lineDecoration, ref ILineSymbol previewLine, ref int hWnd );
Product Availability
Available with ArcGIS Desktop.