问题 I have an add-in loaded, and a solution loaded, how would I find the folder path of that solution programmatically in C# in my addin? 回答1: Alas I figured it out after a lot of goooogling!! In connect.cs: public String SolutionPath() { return Path.GetDirectoryName(_applicationObject.Solution.FullName); } 回答2: The Solution.FullName answer is correct, but take care, you cannot access it until the OnStartupCompleted method is called in connect.cs. 回答3: you can use this code: string solutionpath =