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Suppose I have a project "MyFramework" that has some code, which is used across quite a few solutions. Each solution has its own source control management (SVN).
MyFramework is an internal product and doesn't have a formal release schedule, and same goes for the solutions.
I'd prefer not having to build and copy the DLLs to all 12 projects, i.e. new developers should to be able to just do a svn-checkout, and get to work.
What is the best way to share MyFramework across all these solutions?
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Each project will reference the same location on disk. Doing this is very simple. In the target location, right click the folder and select “Add > Existing Item…” Usually you'd just press “Add,” but in this case, you actually want to click the dropdown and select “Add As Link.”
A project is contained within a solution. Despite its name, a solution isn't an "answer". It's simply a container for one or more related projects, along with build information, Visual Studio window settings, and any miscellaneous files that aren't associated with a particular project.
In Visual Studio, a solution isn't an "answer". A solution is simply a container Visual Studio uses to organize one or more related projects. When you open a solution, Visual Studio automatically loads all the projects that the solution contains.
Since you mention SVN, you could use externals to "import" the framework project into the working copy of each solution that uses it. This would lead to a layout like this:
C:\Projects
MyFramework
MyFramework.csproj
<MyFramework files>
SolutionA
SolutionA.sln
ProjectA1
<ProjectA1 files>
MyFramework <-- this is a svn:externals definition to "import" MyFramework
MyFramework.csproj
<MyFramework files>
With this solution, you have the source code of MyFramework available in each solution that uses it. The advantage is, that you can change the source code of MyFramework from within each of these solutions (without having to switch to a different project).
BUT: at the same time this is also a huge disadvantage, since it makes it very easy to break MyFramwork for some solutions when modifiying it for another.
For this reason, I have recently dropped that approach and am now treating our framework projects as a completely separate solution/product (with their own release-schedule). All other solutions then include a specific version of the binaries of the framework projects.
This ensures that a change made to the framework libraries does not break any solution that is reusing a library. For each solution, I can now decide when I want to update to a newer version of the framework libraries.
176
That sounds like a disaster... how do you cope with developers undoing/breaking the work of others...
If I were you, I'd put MyFrameWork in a completely seperate solution. When a developer wants to develop one of the 12 projects, he opens that project solution in one IDE & opens MyFrameWork in a seperate IDE.
If you strong name your MyFramework Assemby & GAC it, and reference it in your other projects, then the "Copying DLLs" won't be an issue.
You just Build MyFrameWork (and a PostBuild event can run GacUtil to put it in the asssembly cache) and then Build your other Project.
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