gtkmm installation problem

[rhitam30111985]

Hi everyone , dunno whether to post this in linux forum or c/c++ forum..
I am trying to create GUI files using gtkmm library in c++ . I am using debian linux with GNOME desktop environment . i installed the required package for gtkmm namely ,

libgtkmm-2.4-dev

by running apt-get install libgtkmm-2.4-dev as root


after that , i tried running the folowing code :

 
#include<iostream>
#include<gtkmm/gtkmm.h>
 
 
using namespace std;
 
int main(int argc,char* argv[])
 
{
   GtkWidget *window;
 
    gtk_init (&argc, &argv);
 
    window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
    gtk_widget_show(window);
 
    gtk_main ();
 
 
 
  return 0;
}
 
 

after compiling . it gave me the following errors :

start.cpp:2:24: gtkmm/gtkmm.h: No such file or directory
start.cpp: In function `int main(int, char**)':
start.cpp:10: error: `GtkWidget' was not declared in this scope
start.cpp:10: error: `window' was not declared in this scope
start.cpp:12: error: `gtk_init' was not declared in this scope
start.cpp:14: error: `GTK_WINDOW_TOPLEVEL' was not declared in this scope
start.cpp:14: error: `gtk_window_new' was not declared in this scope
start.cpp:15: error: `gtk_widget_show' was not declared in this scope
start.cpp:17: error: `gtk_main' was not declared in this scope

cant figure out why it is not reading the required header file .
any help appreciated ,
regards
Rhitam