I have a big solution with many projects. I want to change the Windows SDK Version
property for each project but without going through every single one and setting it manually.
The solution is created with cmake-gui
from an open source CMake-based framework, i.e. AliceVision.
Put the variable setting in a file (with anything else shared) and then include that into each project's make file.
See https://cmake.org/cmake/help/v3.11/command/include.html
To make this easy to edit, add the include file as a solution item in VS.