c_gtk_message_dialog_new

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.
__gshared extern (C)
GtkWidget* function(GtkWindow* parent, GtkDialogFlags flags, GtkMessageType type, GtkButtonsType buttons, gchar* messageFormat, ...) c_gtk_message_dialog_new;

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