GUI app brings up console

[MrSmith]

On Wednesday, 6 December 2017 at 21:25:27 UTC, Ivan Trombley 
wrote:
> I created a cross-platform app using gtk-d. Everything works 
> fine but when I run it from Windows, a console window is 
> opened. How can I tell Windows that it's a GUI application so 
> that a console is not opened (keeping in mind that this app 
> also needs to be compiled on Linux and Mac)?

Assuming that you use dub, add this to your dub.json

"lflags-windows" : ["/SUBSYSTEM:windows,6.00", 
"/ENTRY:mainCRTStartup"]