Signal with C++

[Sergio Kriz <kriizz yahoo com>]

Why this program cause errors at signal connect ?

#include <stdio.h>
#include <gtk/gtk.h>

class CWin
{
public:

	Cwin(int *prargc, char *** prargv)
        {
	   gtk_init(prargc, prargv);                         
    Win=gtk_window_new(GTK_WINDOW_TOPLEVEL);
	}
	
	~CWin(){}
	void Close(GtkWidget *widget,
                   gpointer client_data)
        {
						
		gtk_main_quit();
		
	}
	
 	void Show()
        {
	
	   gtk_widget_show(Win);
	   gtk_signal_connect(GTK_OBJECT(Win),
			      "destroy",
			      GTK_SIGNAL_FUNC(Close),
			      NULL);
	}

	void Run()
        {
	
	   gtk_main();
		
	};
	
private:

	GtkWidget *Win;
	
};

void main(int argc, char **argv)
{
	Cwin *App;
	
	App = new CWin(&argc, &argv);
	App->Show();
	App->Run();
	
	delete App;

}

cc-1168 CC: ERROR File = teste.C, Line = 33
  The indicated type conversion is invalid.

                                                      
 GTK_SIGNAL_FUNC(Close),
                                                      
 ^

1 error detected in the compilation of "teste.C".

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