scrolled window adjustment

[azam zare <zare10954 yahoo com>]

Hi
  I write a program in gtk+ that  in part of that i need a scrolled window widget on vbox  and  in the scrolled window should  exit the Gtktext widget  as its child. I have problem with adjustment  the window scroled window and  GtkText .
  I  passed NULL  both for scrolled window and GtkText and result was the 
  small scrolled window.
 
 ---------------------------------------------------------------------------------------------------------------------------------------------
  for scrolled window with  its  child  i write this code : 
 
  sw=gtk_scrolled_window_new(NULL,NULL);
  gtk_container_set_border_width (GTK_CONTAINER (sw), 10);
  void  gtk_scrolled_window_set_policy( GtkScrolledWindow *sw,
                                        GtkPolicyType      GTK_POLICY_ALWAYS,
                                        GtkPolicyType      GTK_POLICY_AUTOMATIC );
 gtk_box_pack_start(GTK_BOX(vbox1),sw,FALSE,FALSE,10);
 
 static char *str="Wellcome To Installing Linux\nplease cread
 the text\n carefully";
  gtk_text_insert(GTK_TEXT(text), NULL , NULL , NULL , str , strlen(str) );
 
  gtk_container_add(GTK_CONTAINER(sw),text);
 ------------------------------------------------------------------------------------------------------------------------
 for loading image :
 GtkWidget *image;
 image=gtk_image_new_from_file("im.jpeg");
  gtk_box_pack_start(GTK_BOX(hbox2),image,TRUE,TRUE,0);
 --------------------------------------------------------------------------------------------------------------------------
  how can i adjust the values of the scrolled window ?
  if your answer is using Adjustment Object ,please explaine  it for me exactly .
  and other my question related to
 load image by using  GtkPixmap .How i can adjust the structure of GtkPixmap  of image ?
 And as the latest question i want to know  if using of 
 " gtk_image_new_from_file("image.jpeg")"  for loading image in addition to 
 #include <gtk/gtk.h> need to other things?
 becuse after using of this function i recieve the message
 undefined reference to `gtk_image_new_from_file`
 thank you.

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