Hi, my project was produced at vs 2008,arcgis 9.3 and i update it to vs 2010,arcgis 10.1 but this row "IRgpColorClass x=new RgbColoClass " throw exception COM Class factory error when trying to instantiate an RGBColorClass. i try this codes Use this (interface type w/ COM class) Dim color As ESRI.ArcGIS.Display.IRgbColor = New ESRI.ArcGIS.Display.RgbColor or this (managed .NET class) Dim color As ESRI.ArcGIS.Display.RgbColorClass = New ESRI.ArcGIS.Display.RgbColorClass but thats not work.i change x64 to x86 try alot of way but i cant resolve this problem.anybody can help me?
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