Find another part of PartialClass in Visual Studio IDE?

If you open the context menu on the class name and click "Go To Definition (F12)", then the panel "Find Symbol Results" will show at the bottom (by default) of Visual Studio. Here you'll find all (partial) definitions of that class.

In my case (Visual Studio 2013 and also Visual Studio 2015) the solution CodeCaster describes did not work for me - Find Symbol Results doesn't show up as described in the answer.

But I found 2 other ways to solve it, which work for me. Do the following:

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Solution 1
^{Tested with Visual Studio 2013/2015, Visual Studio 2017 and Visual Studio 2019}

1. Right-click and select "Go to definition". This will open up one of the (possibly many, but in most cases two) parts of the class.
2. Put the cursor on the class name to mark it, i.e.
   public partial classMyClass

3. Press F12. A "declarations" window will open. Click into it to give it the focus.

4. Press F8 to navigate to the next, or SHIFT+F8 to navigate to the previous declaration (or click on the previous/next buttons with the mouse).

Note: Only if there is more than 1 partial class, you will see the file names where the parts of the class are found:

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Solution 2
^{Tested with Visual Studio 2017}

1. Put the cursor on the class name to mark it, i.e.
   public partial classMyClass
2. Press ALT+SHIFT+F12. This will search the symbol selected in the entire solution.
3. All occurances of the class are listed in the Find Symbol Results window.

The disadvantage of Solution 2 is that the references are listed as well, not only the partial classes.

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Updated Answer for newer versions of Visual Studio (2019).