C# com add-in integrated visio problem

[salman_syed_01]

i want to create custom toolbar/menu bar using C# .net add-in shared extensibilites project type with integrated visio 2003 but problem is that when i added first time custom toolbar after open visio then result right.next time i was modify the codes after check result,then not display and an other available any custom toolbar/menu bar in visio not present plz solve my problem. thnx Ali J Ali J