Defining Project Paths in a Solution via Macro/Environment Variable
Is there a way to define the project file path in a solution using a user macro/environment variable? I can't seem to do that.

Kind of like an environment variable is used to define the additional include directories in a C++ project, except I want to do the same for the location of a project file in a solution.

I've tried editing the solution in a text editor to change the path to start with %MyMacroName% or $(MyMacroName) but neither of them seems to parse just right. The project files can't be located when the solution is opened.
Defining Project Paths in a Solution via Macro/Environment Variable
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Is there a way to define the project file path in a solution using a user macro/environment variable? I can't seem to do that.

Kind of like an environment variable is used to define the additional include directories in a C++ project, except I want to do the same for the location of a project file in a solution.

I've tried editing the solution in a text editor to change the path to start with %MyMacroName% or $(MyMacroName) but neither of them seems to parse just right. The project files can't be located when the solution is opened.