i need C++ GUI

hello i need to make GUI script like for 3D scanner system how the system works ? its 4 modules 1-C++ take pictures and make calibration 2-C++ change images to .ply file 3-C# control the motor 4-python take many ply files make mesh from them i want to make GUI with c++ script like when i press on san icon it run module number 1 to take pictures then run module number 2 to make ply files then module number 3 control motor , and so on till finish 36 cycle after 36 cycle it run module number 4 the python to make all 36 ply files to obj or stl look at the picture