Remove minimize and maximize window buttons in GTK#

How can I remove the minimize and maximize buttons on a gtk# window, I came across this, but wasn't very sure how to use it in gtk#.

Solution

This GTK# thread discusses the given indirect method in Mono terms.

this.TypeHint = Gdk.WindowTypeHint.Dialog;

It uses value from WindowTypeHint enumeration to set Window.TypeHint property to WindowTypeHint.Dialog value.

P.S.: I was unable to find any good references for GDK# documentation.

Is this declaration UB?
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