change text size in program

[febeleight]

how to change text size or font when displaying program.
I googled but only saw #include<graphics.h>
But my software only has #include <GdiPlusGraphics.h>

[coder777]

Take a look at this:

https://msdn.microsoft.com/en-us/library/windows/desktop/ms533797%28v=vs.85%29.aspx