diff --git a/c_bindings/mui.h b/c_bindings/mui.h
index 84c4157..0fa74ea 100644
--- a/c_bindings/mui.h
+++ b/c_bindings/mui.h
@@ -1,5 +1,16 @@
 #warning "The API is unstable and a lot of thing will be changed in future. Please don't use in real-world application before stable-release."
 
+#define MUI_OK "ok"
+#define MUI_OK_CANCEL "okcancel"
+#define MUI_YES_NO "yesno"
+#define MUI_YES_NO_CANCEL "yesnocancel"
+#define MUI_INFO "info"
+#define MUI_WARNING "warning"
+#define MUI_ERROR "error"
+#define MUI_RETURN_CANCEL_NO 0
+#define MUI_RETURN_OK_YES 1
+#define MUI_RETURN_NO 2 //On Yes/No/Cancel
+
 typedef struct mui_window mui_window;
 typedef struct mui_event_details mui_event_details;
 typedef struct mui_parsed_event_details mui_parsed_event_details;
@@ -38,20 +49,21 @@ void mui_run(mui_window* window);
 void mui_change_object_property(mui_window* window, char* id, char* config);
 struct mui_parsed_event_details mui_parse_event_details(mui_event_details);
 void mui_empty_fn(mui_event_details details, mui_window* window, void** app_data){}
+void mui_destroy(mui_window* window);
+int mui_messagebox(char* title, char* message, char* typ, char* icon);
+void mui_beep();
+char* mui_inputbox(char* title, char* text, char* default_text);
 
 /*
 ### Not Implemented Yet ###
 
 void mui_get_object_by_id();
 void mui_sort_widgets_with_zindex();
-void mui_destroy();
 void mui_notifypopup();
 void mui_openfiledialog();
 void mui_passwordbox();
 void mui_savefiledialog();
 void mui_selectfolderdialog();
 void mui_inputbox();
-void mui_messagebox();
-void mui_beep();
 void mui_colorchooser();
 */
diff --git a/c_bindings/mui.v b/c_bindings/mui.v
index 22114b9..8e53b02 100644
--- a/c_bindings/mui.v
+++ b/c_bindings/mui.v
@@ -101,3 +101,38 @@ fn mui_parse_event_details(event_details mui.EventDetails) ParsedEventDetails {
 fn mui_run(mut window &mui.Window){
 	window.run()
 }
+
+[export: "mui_messagebox"]
+fn mui_messagebox(title &char, message &char, _type &char, icon &char) int {
+	unsafe {
+		return mui.messagebox(
+			title.vstring(),
+			message.vstring(),
+			_type.vstring(),
+			icon.vstring()
+		)
+	}
+	return 0
+}
+
+[export: "mui_inputbox"]
+fn mui_inputbox(title &char, text &char, default_text &char) &char {
+	unsafe {
+		return &char(mui.inputbox(
+			title.vstring(),
+			text.vstring(),
+			default_text.vstring()
+		).str)
+	}
+	return c""
+}
+
+[export: "mui_beep"]
+fn mui_beep(){
+	mui.beep()
+}
+
+[export: "mui_destroy"]
+fn mui_destroy(mut window &mui.Window){
+	window.destroy()
+}
diff --git a/c_bindings/test.c b/c_bindings/test.c
index d7f9525..d51f0be 100644
--- a/c_bindings/test.c
+++ b/c_bindings/test.c
@@ -2,8 +2,10 @@
 #include <string.h>
 
 void button_event_handler(mui_event_details details, mui_window* window, void** app_data){
-  mui_change_object_property(window, "label1", "{\"property\":\"text\",\"value\":\"Hello World!\"}");
-  mui_change_object_property(window, "textbox1", "{\"property\":\"text\",\"value\":\"Hello World 2!\"}");
+  mui_messagebox("Goodbye!", 
+    mui_inputbox("Say last words!","The last words:","Last words")
+  , MUI_OK, MUI_INFO);
+  mui_destroy(window);
 }
 
 void textbox_event_handler(mui_event_details details, mui_window* window, void** app_data){
@@ -17,7 +19,7 @@ void textbox_event_handler(mui_event_details details, mui_window* window, void**
 void main(int argc, char** argv){
   mui_init(argc, argv);
   mui_window* window = mui_create("{\"title\":\"Hello World\", \"width\":450, \"height\":250}");
-  mui_button(window, "{\"id\":\"button1\", \"x\":\"10%x\", \"y\":\"10\", \"width\":\"80%x\", \"text\": \"Button\"}", *button_event_handler);
+  mui_button(window, "{\"id\":\"button1\", \"x\":\"10%x\", \"y\":\"10\", \"width\":\"80%x\", \"text\": \"Destroy the window\"}", *button_event_handler);
   mui_label(window, "{\"id\":\"label1\", \"x\":\"10%x\", \"y\":\"50\", \"width\":\"80%x\", \"text\": \"This is a label\"}", *mui_empty_fn);
   mui_textbox(window, "{\"id\":\"textbox1\", \"x\":\"10%x\", \"y\":\"90\", \"width\":\"80%x\", \"text\": \"This is a textbox\"}", *textbox_event_handler);
   mui_run(window);