Its working..One more question how to write addin file?
I written addin file this is ok or I want to make changes in addin file for exchanging app.
<?xml version="1.0" encoding="utf-8"?>
<RevitAddIns>
<AddIn Type="Application">
<Name>XYZ</Name>
<Assembly>D:\XYZ\XYZ\bin\Debug\XYZ.dll</Assembly>
<AddInId>fd44aa61-5aa8-4508-9937-4e971415fa75</AddInId>
<FullClassName>XYZ.Ribbon</FullClassName>
<VendorId>XYZ</VendorId>
<VendorDescription>XYZ</VendorDescription>
</AddIn>
</RevitAddIns>
