First Example

As a first example, we can display a simple dialog:

require "iup-ffi"

Iup.mainloop do
  label = Iup::Label.new("Hello World!")

  Iup::Dialog.new(label) do |d|
    d.title = " ... from IUP"
    d.size = "150x50"
  end.show
end

This example can be found as "examples/hello-from-iup.rb" in the latest tagged version.