Displays the chart symbol editor dialog for the given chart symbol and returns a value describing whether the symbol was changed.
[Visual Basic .NET] Public Function EditChartSymbol ( _ ByRef symbol As IChartSymbol, _ ByVal hWnd As Integer _ ) As Boolean
[C#] public bool EditChartSymbol ( ref IChartSymbol symbol, ref int hWnd );
Product Availability
Available with ArcGIS Desktop.