Curious to mscorlib reference

.net silverlight frameworks mscorlib
Howard picture Howard · Apr 15, 2011 · Viewed 11.2k times · Source

I am curious as to the mscorlib reference in different project templates.

When I create a WPF project, I cannot find the mscorlib file in the reference folder. I think it is referenced by default.

When I create a Silverlight project, I can find it in the folder. It links to the Silverlight framework. Then I tried to delete it and of course it cannot be compiled. Then I tried to re-add this assembly to the reference again; it cannot be added and cannot be compiled anymore. It's weird.

When I create a MonoDroid project, I can still find the mscorlib reference. But after I deleted this reference, the project still can be compiled; but I'm not sure if it runs fine.

Does anyone knows what causes this behavior?

Thanks, Howard

Answer

Brian picture Brian · May 11, 2011

Just so someone does not have to google it. I was missing the mscorlib and found the exact way CuiPengFei suggested to do this in the project file, here:Microsoft Connect Feedback in the workaround which was posted by James Wightman on 12/9/2009 at 2:52 AM below:

As I said in the bug report, one workaround is to manually add the reference back into the project manually by editing the csproj file using (for example) notepad:

Find this section in the csproj file - obviously if you have different/additional references that's what you're looking for:

<ItemGroup>
 <Reference Include="System.Windows" />
 <Reference Include="system" />
 <Reference Include="System.Net" />
 <Reference Include="System.Xml" />
 <Reference Include="System.Windows.Browser" />
</ItemGroup>

Add a line for each of the missing references - in this case, mscorlib and System.Core - and your csproj file should now look something like this:

<ItemGroup>
 <Reference Include="mscorlib" />
 <Reference Include="System.Core" />
 <Reference Include="System.Windows" />
 <Reference Include="system" />
 <Reference Include="System.Net" />
 <Reference Include="System.Xml" />
 <Reference Include="System.Windows.Browser" />
</ItemGroup>

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