gdk_pixmap_ref(nullPluginGdkPixmap);
createPixmap(PluginInstance *This){    int err = 0;    if (nullPluginGdkPixmap == 0)    {        GtkStyle *style;       GdkBitmap *mask;       GdkWindow *gdk_window = getGdkWindow(This);       if (gdk_window)       {           style = gtk_widget_get_style((GtkWidget *)gdk_window->user_data);           nullPluginGdkPixmap = gdk_pixmap_create_from_xpm_d(gdk_window , &mask,                                             &style->bg[GTK_STATE_NORMAL], npnul320_xpm);       }    }}