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.NET Forum / Visual Studio.NET / IDE / March 2008Persist global to solution?
Hi all, I am writing an add-in that wants to persist some data to the solution file using DTE.Solution.Globals, but I can't get it to work. Here is the code I'm using: Public Sub OnConnection(...) _ Implements IDTExtensibility2.OnConnection m_appObject = CType(application, DTE2) m_appObject.Solution.Globals.VariableValue("MyTest") = "Hello Bob" The value I assign to MyTest remains until I close the solution, at which time it goes away. According to the documentation, simply setting the VariableValue property should dirty the solution file, but that's not happening. If I examine appObject.Solution.Globals.VariablePersists("MyTest") immediately after setting the variable value it returns False. So I added this line of code after the last line above: m_appObject.Solution.Globals.VariablePersists("MyTest") = True That didn't help. I can't convince the Globals object to persist its value to the solution file. TIA - Bob Hello Bob, According to your description, you found that the variable doesn't persist after you close the solution, correct? If I misunderstood anything here, please don't hesitate to correct me. Thanks. After you set the VariablePersists("MyTest") to true, VS will drop a line into your solution file. This data will be loaded when your solution opened in VS. Such as below: GlobalSection(ExtensibilityGlobals) = postSolution MyTest = Hello Bob EndGlobalSection I believe you closed the solution but did not choose to save the modified files. This will result the data isn't written into that file. Hope this helps. Please feel free to let me know if there is anything unclear. We are glad to assist you. Have a great day, Best regards, Wen Yuan Microsoft Online Community Support Delighting our customers is our #1 priority. We welcome your comments and suggestions about how we can improve the support we provide to you. Please feel free to let my manager know what you think of the level of service provided. You can send feedback directly to my manager at: msdnmg@microsoft.com. ================================================== Get notification to my posts through email? Please refer to http://msdn.microsoft.com/subscriptions/managednewsgroups/default.aspx#notif ications. Note: The MSDN Managed Newsgroup support offering is for non-urgent issues where an initial response from the community or a Microsoft Support Engineer within 1 business day is acceptable. Please note that each follow up response may take approximately 2 business days as the support professional working with you may need further investigation to reach the most efficient resolution. The offering is not appropriate for situations that require urgent, real-time or phone-based interactions or complex project analysis and dump analysis issues. Issues of this nature are best handled working with a dedicated Microsoft Support Engineer by contacting Microsoft Customer Support Services (CSS) at http://msdn.microsoft.com/subscriptions/support/default.aspx. ================================================== This posting is provided "AS IS" with no warranties, and confers no rights. > According to your description, you found that the variable doesn't persist > after you close the solution, correct? Yes, that is correct. > After you set the VariablePersists("MyTest") to true, VS will drop a line > into your solution file. This data will be loaded when your solution [quoted text clipped - 3 lines] > MyTest = Hello Bob > EndGlobalSection Yes, that is what I expect to happen > I believe you closed the solution but did not choose to save the modified > files. This will result the data isn't written into that file. No, the solution file is not dirtied by the IDE. When I close the IDE I am not prompted to save any files. Even if I explicitly Save All then I don't see the changes in the solution file. Hello Bob, Thanks for your reply. This behavior is really strange. VS IDE should dirty sln file, after you specified VariablePersists("MyTest") to true. It really works fine on my side. We need to perform further research. Is it possible for you to send me a simple project to reproduce the issue on my side? My email address is v-wywang@microsoft.com. If you have any more concern, please feel free to let us know. It's my pleasure to assist you. Have a great day, Best regards, Wen Yuan Microsoft Online Community Support Delighting our customers is our #1 priority. We welcome your comments and suggestions about how we can improve the support we provide to you. Please feel free to let my manager know what you think of the level of service provided. You can send feedback directly to my manager at: msdnmg@microsoft.com. ================================================== Get notification to my posts through email? Please refer to http://msdn.microsoft.com/subscriptions/managednewsgroups/default.aspx#notif ications. Note: The MSDN Managed Newsgroup support offering is for non-urgent issues where an initial response from the community or a Microsoft Support Engineer within 1 business day is acceptable. Please note that each follow up response may take approximately 2 business days as the support professional working with you may need further investigation to reach the most efficient resolution. The offering is not appropriate for situations that require urgent, real-time or phone-based interactions or complex project analysis and dump analysis issues. Issues of this nature are best handled working with a dedicated Microsoft Support Engineer by contacting Microsoft Customer Support Services (CSS) at http://msdn.microsoft.com/subscriptions/support/default.aspx. ================================================== This posting is provided "AS IS" with no warranties, and confers no rights. It turned out that I stumbled across an undocumented "product limitation". Here, for the edification and amusement of anyone else who may come along looking for this information, is what I've discovered: I'm writing a "solution add-in". That's a standard issue add-in that contains some code in the OnConnect routine that updates a solution (.sln) file so that the add-in is loaded whenever the solution is loaded. It turns out that when a solution is loaded and its associated add-in is loaded, the Globals object can not persist data back to the solution file in the OnConnect routine (connectMode = ext_cm_Solution). 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