I can't make my callback function work. I have created a button which when clicked removes the first button and displays the second button. When I click the button, it removes the first button but doe...

i've this code Main.adb With Gtk.Main; Use Gtk.Main; With Gtk.Window; Use Gtk.Window; With Gtk.Button; Use Gtk.Button; With Gtk.Widget; Use Gtk.Widget; With Gtk.Grid; ...

i created two buttons a that display a Gtk_Radio_Button and a button that display a GtK_label but when i click on buttons nothing happens. I don't understand why it doesn't work yet the code compiles...

here i start with GtkAda but i met a problem that i don't understand. I give you a summary of the code. file.ads With Gtk.Window; Use Gtk.Window; With Gtk.Table; Use Gtk.Table; With Gtk...