Install libglade2.0-cil-dev by entering the following commands in the terminal:
sudo apt update sudo apt install libglade2.0-cil-dev
Description:
CLI binding for the Glade libraries 2.6
This package provides the glade-sharp assembly that allows CLI (.NET) programs to use the Glade libraries 2.6. . GTK# 2.10 is a CLI (.NET) language binding for the GTK+ 2.10 toolkit . This package contains development files for the glade-sharp library, and should be used for compilation
Homepage: http://www.mono-project.com/GtkSharp
Version: 2.12.40-2
Section: universe/libs