WPF Addict

For using a font in resource

• Add font ton project and set it as resource (for sample https://www.1001fonts.com/saligra-font.html)
• Use it in xaml as FontFamily="./#Saligra" without extension
• Set Resource as Build Action for Saligra.ttf

sample

see : https://wpf.2000things.com/tag/embedding-fonts/

If font is not install in your computer you cannot show then in editor ate first time, only in running