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    copied!<p>I have a <code>C#</code> solution with several projects in <code>Visual Studio 2010</code>. One is a test project (I'll call it "<em>PrjTest</em>"), the other is a <code>Windows Forms Application</code> project (I'll call it "<em>PrjForm</em>"). There is also a third project referenced by PrjForm, which it is able to reference and use successfully.</p> <p><em>PrjForm</em> references <em>PrjTest</em>, and <em>PrjForm</em> has a class with a <code>using</code> statement:</p> <pre><code>using PrjTest; </code></pre> <ol> <li>Reference has been correctly added</li> <li><code>using</code> statement is correctly in place</li> <li>Spelling is correct</li> <li>PrjTest builds successfully</li> <li>PrjForm almost builds, but breaks on the <code>using PrjTest;</code> line with the error:</li> </ol> <p><strong><em>The type or namespace name 'PrjTest' could not be found (are you missing a using directive or an assembly reference?)</em></strong></p> <p>I've tried the following to resolve this:</p> <ol> <li>Removed Resharper (since Resharper had no trouble recognizing the referenced project, I thought it might be worth a shot) </li> <li>Removed and re-added the reference and using statement</li> <li>Recreated PrjForm from scratch</li> <li>PrjForm currently resides inside the PrjTest folder, I tried moving it to an outside folder</li> <li>Loaded the solution on a different computer with a fresh copy of <code>VS 2010</code></li> </ol> <p>I have done my homework and spent far too long looking for an answer online, none of the solutions has helped yet.</p> <p>What else could I try?</p>
 

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