Defining custom macros to be used in build events

Question

I am trying to define custom macros like pretty commonly done in c++ solutions to be used in, but not limited to, build events in .net core. For example, I would like to extend pre-defined macros such as $(SolutionDir) or $(ProjectDir) into $(MyCustomPath) = $(SolutionDir)\Data. Then in post build event I would like refer to the newly created $(MyCustomPath) such as

dotnet abc.dll MyCustomPath

I have reached the properties page but I have not seen where I can define new ones

Answer 1

I have never done this before, however you can do this

Edit your project file,

<PropertyGroup>
  <MYMACRO>Whatever you want here</MYMACRO>
  ...
</PropertyGroup>

Then in your build events you can call

$(MYMACRO)

To prove it works

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