diff --git a/Gtk3/gtk28/config_1 b/Gtk3/gtk28/config_1
index be29a96..833796e 100644
--- a/Gtk3/gtk28/config_1
+++ b/Gtk3/gtk28/config_1
@@ -1 +1 @@
-default config
\ No newline at end of file
+default config1
\ No newline at end of file
diff --git a/Gtk3/gtk28/config_2 b/Gtk3/gtk28/config_2
index be29a96..12111be 100644
--- a/Gtk3/gtk28/config_2
+++ b/Gtk3/gtk28/config_2
@@ -1 +1 @@
-default config
\ No newline at end of file
+default config2
\ No newline at end of file
diff --git a/Gtk3/gtk28/gtk28.depend b/Gtk3/gtk28/gtk28.depend
index b98f4b4..44bd3c6 100644
--- a/Gtk3/gtk28/gtk28.depend
+++ b/Gtk3/gtk28/gtk28.depend
@@ -30,13 +30,13 @@
 
 1606780433 /root/cpp50/winpe.xpm
 
-1608874721 source:/root/gtk28/gtkwin.cpp
+1608950527 source:/root/gtk28/gtkwin.cpp
 	"gtkwin.h"
 	"test.h"
 	"winpe.xpm"
 	"360.xpm"
 
-1608645795 /root/gtk28/gtkwin.h
+1608949828 /root/gtk28/gtkwin.h
 	<gtk/gtk.h>
 
 1608874688 /root/gtk28/test.h
diff --git a/Gtk3/gtk28/gtk28.layout b/Gtk3/gtk28/gtk28.layout
index 8c21422..b292e52 100644
--- a/Gtk3/gtk28/gtk28.layout
+++ b/Gtk3/gtk28/gtk28.layout
@@ -2,56 +2,42 @@
 <CodeBlocks_layout_file>
 	<FileVersion major="1" minor="0" />
 	<ActiveTarget name="Debug" />
+	<File name="gtkwin.h" open="1" top="1" tabpos="2" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
+		<Cursor>
+			<Cursor1 position="1787" topLine="38" />
+		</Cursor>
+		<Folding>
+			<Collapse line="22" />
+			<Collapse line="30" />
+			<Collapse line="39" />
+			<Collapse line="46" />
+			<Collapse line="54" />
+		</Folding>
+	</File>
 	<File name="gtkwin.cpp" open="1" top="0" tabpos="3" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
 		<Cursor>
-			<Cursor1 position="1964" topLine="23" />
+			<Cursor1 position="601" topLine="20" />
 		</Cursor>
 		<Folding>
-			<Collapse line="5" />
-			<Collapse line="12" />
-			<Collapse line="18" />
-			<Collapse line="23" />
-			<Collapse line="28" />
-			<Collapse line="38" />
-			<Collapse line="46" />
-			<Collapse line="50" />
-			<Collapse line="76" />
-			<Collapse line="80" />
-			<Collapse line="85" />
-			<Collapse line="93" />
-			<Collapse line="98" />
-			<Collapse line="117" />
-			<Collapse line="122" />
+			<Collapse line="40" />
+			<Collapse line="49" />
+			<Collapse line="59" />
+			<Collapse line="84" />
 		</Folding>
 	</File>
-	<File name="test.h" open="1" top="0" tabpos="4" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
-		<Cursor>
-			<Cursor1 position="167" topLine="0" />
-		</Cursor>
-	</File>
-	<File name="gtkwin.h" open="1" top="0" tabpos="2" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
-		<Cursor>
-			<Cursor1 position="442" topLine="3" />
-		</Cursor>
-		<Folding>
-			<Collapse line="3" />
-			<Collapse line="12" />
-			<Collapse line="20" />
-			<Collapse line="27" />
-			<Collapse line="35" />
-			<Collapse line="41" />
-			<Collapse line="48" />
-			<Collapse line="56" />
-		</Folding>
-	</File>
-	<File name="test.cpp" open="1" top="0" tabpos="5" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
-		<Cursor>
-			<Cursor1 position="909" topLine="9" />
-		</Cursor>
-	</File>
 	<File name="main.cpp" open="1" top="0" tabpos="1" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
 		<Cursor>
 			<Cursor1 position="187" topLine="0" />
 		</Cursor>
 	</File>
+	<File name="test.cpp" open="1" top="0" tabpos="5" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
+		<Cursor>
+			<Cursor1 position="157" topLine="0" />
+		</Cursor>
+	</File>
+	<File name="test.h" open="1" top="0" tabpos="4" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
+		<Cursor>
+			<Cursor1 position="167" topLine="0" />
+		</Cursor>
+	</File>
 </CodeBlocks_layout_file>
diff --git a/Gtk3/gtk28/gtkwin.cpp b/Gtk3/gtk28/gtkwin.cpp
index e57476a..3d84270 100644
--- a/Gtk3/gtk28/gtkwin.cpp
+++ b/Gtk3/gtk28/gtkwin.cpp
@@ -31,10 +31,15 @@ void Winlayout::init(){
     Icon background;
     background.get_image(winpe,400,300);
     put(background.img1,0,0);
+
+    Combobox combo1;
+    combo1.init(100,50);
+    put(combo1.combo,150,70);
+
     GtkBtn button1;
     button1.init("Test",100,50);
-    button1.signal_clicked(print,NULL);
-    put(button1.button,150,100);
+    button1.signal_clicked(print,(gpointer)combo1.combo);
+    put(button1.button,150,170);
 }
 
 //Initalize GtkHeader
@@ -135,3 +140,15 @@ void GtkWin::show_all(){
 void HBox::pack_start(GtkWidget *child,gboolean expand,gboolean full,gint padding){
     gtk_box_pack_start(GTK_BOX(hbox),child,expand,full,padding);
 }
+
+void Combobox::append_item(const gchar *str){
+    gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo),str);
+}
+
+void Combobox::init(int width,int height){
+    combo=gtk_combo_box_text_new();
+    gtk_widget_set_size_request(combo,width,height);
+    append_item("config_1");
+    append_item("config_2");
+    gtk_combo_box_set_active(GTK_COMBO_BOX(combo),0);
+}
diff --git a/Gtk3/gtk28/gtkwin.h b/Gtk3/gtk28/gtkwin.h
index 209b93d..f7c5fa8 100644
--- a/Gtk3/gtk28/gtkwin.h
+++ b/Gtk3/gtk28/gtkwin.h
@@ -76,3 +76,10 @@ class HBox{
     GtkWidget *hbox=gtk_box_new(GTK_ORIENTATION_HORIZONTAL,5);
     void pack_start(GtkWidget *child,gboolean expand,gboolean full,gint padding);
 };
+
+class Combobox{
+    public:
+    GtkWidget *combo;
+    void append_item(const gchar *str);
+    void init(int width,int height);
+};
diff --git a/Gtk3/gtk28/test.cpp b/Gtk3/gtk28/test.cpp
index 10e4473..71d30a5 100644
--- a/Gtk3/gtk28/test.cpp
+++ b/Gtk3/gtk28/test.cpp
@@ -5,8 +5,16 @@
 #include "gtkwin.h"
 
 void print(GtkWidget *widget,gpointer data){
+    const gchar *filename;
+    int id=gtk_combo_box_get_active(GTK_COMBO_BOX(data));
+    switch(id){
+        case 0:
+        filename="config_1";break;
+        case 1:
+        filename="config_2";break;
+    }
     char str[57];
-    freopen("config","r",stdin);
+    freopen(filename,"r",stdin);
     fgets(str,57,stdin);
     MsgBox("Test",str);
     fclose(stdin);