'Scripting define symbol code is not skipping the code in unity C#

I want to skip a particular code by defining scripting define symbol but sadly it is not working.

#if VST
using AW.VegetationStudio;

#endif

Like in the above code in my project VST is not defined in scripting define symbols but it is still showing error in entering lines.

c++sharpunity3d


Solution 1:[1]

As of 2021.3.1f1, I had a similar issue with Scripting Define Symbols. So, I leave workarounds I found here. (The following things are observed on macOS 12.3.1, by the way.)

Unity Editor Behaviours

what I can see with Project Settings view - Scripting Define Symbols section on Unity Editor is that every time clicking on the Apply button under the input field, the second last edit is reflected on the in csproj files, which is where VS reads the defined symbols from.

However, the modification is not saved to /ProjectSettings/ProjectSettings.asset file by the Apply button. (csproj files are (re)generated based on this file, btw.) The operations that save the change to the ProjectSettings.asset file are [File - Save Project] from the Unity Editor menu, or restarting Unity Editor.

Workarounds

Based on such current behaviours of Unity Editor, there are two ways to make sure the symbol definition updates are certainly reflected on ProjectSettings.asset file and all the csproj files.

  1. Close Unity Editor (changes are saved to ProjectSettings.asset)
  2. Open Unity Editor (csproj files are regenerated)

Or,

  1. [File - Save Project] or [File - Save Project] from the Unity Editor menu (changes are saved to ProjectSettings.asset)
  2. Press + button under Project Settings view - Scripting Define Symbols section on Unity Editor, and leave it empty
  3. Click the Apply button (csproj files are regenerated)

Sources

This article follows the attribution requirements of Stack Overflow and is licensed under CC BY-SA 3.0.

Source: Stack Overflow

Solution Source
Solution 1

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