diff --git a/KeyMouse.t.c b/KeyMouse.t.c
index b3824ae..1fdf193 100644
--- a/KeyMouse.t.c
+++ b/KeyMouse.t.c
@@ -198,6 +198,51 @@ static void MainWindow_OnMouseMove(HWND hwnd, int x, int y, UINT keyFlags){
     ReleaseDC(hwnd, hdc);
 }
 
+static void MainWindow_OnRButtonDown(HWND hwnd, BOOL fDoubleClick, int x, int y, UINT keyFlags){
+    char s[100];
+    HDC hdc = GetDC(hwnd);
+    int size =0;
+    if(fDoubleClick){
+        size = snprintf(s, sizeof(s)/sizeof(s[0])
+                , "WM_RBUTTONDBLCLK ==> Db = %d, x = %d, y = %d, flags = %d           "
+                , fDoubleClick
+                , x
+                , y
+                , keyFlags
+        );
+        c_WinGuiUtil_MoveWindowToScreenCenter(hwnd);
+    }else{
+        size = snprintf(s, sizeof(s)/sizeof(s[0])
+                , "WM_RBUTTONDOWN ==> Db = %d, x = %d, y = %d, flags = %d           "
+                , fDoubleClick
+                , x
+                , y
+                , keyFlags
+        );
+    }
+
+    SetBkColor(hdc, GetSysColor(COLOR_WINDOW));
+    TextOut(hdc, xVal, yVal + 140, s, size);
+    ReleaseDC(hwnd, hdc);
+}
+
+static void MainWindow_OnRButtonUp(HWND hwnd, int x, int y, UINT keyFlags){
+    char s[100];
+    HDC hdc = GetDC(hwnd);
+    int size =0;
+
+    size = snprintf(s, sizeof(s)/sizeof(s[0])
+            , "WM_RBUTTONUP ==> x = %d, y = %d, flags = %d           "
+            , x
+            , y
+            , keyFlags
+    );
+
+
+    SetBkColor(hdc, GetSysColor(COLOR_WINDOW));
+    TextOut(hdc, xVal, yVal + 160, s, size);
+    ReleaseDC(hwnd, hdc);
+}
 /* -------------------------------------------------------------------------------------------------------------- */
 /*  */
 
@@ -214,6 +259,9 @@ c_WinGuiApp_EventBegin(WndProc)
         c_WinGuiApp_OnEvent(WM_LBUTTONUP, MainWindow_OnLButtonUp)
         c_WinGuiApp_OnEvent(WM_DESTROY, MainWindow_OnDestroy)
         c_WinGuiApp_OnEvent(WM_PAINT, MainWindow_OnPaint)
+        c_WinGuiApp_OnEvent(WM_RBUTTONDBLCLK, MainWindow_OnRButtonDown)
+        c_WinGuiApp_OnEvent(WM_RBUTTONDOWN, MainWindow_OnRButtonDown)
+        c_WinGuiApp_OnEvent(WM_RBUTTONUP, MainWindow_OnRButtonUp)
 c_WinGuiApp_EventEnd
 
 /* -------------------------------------------------------------------------------------------------------------- */
@@ -241,7 +289,8 @@ static HWND Create(HINSTANCE hInstance, int nCmdShow){
     HWND hWindow = CreateWindowEx(0, MAIN_WINDOW_CLASSNAME, MAIN_WINDOW_CLASSNAME,
                                   WS_OVERLAPPEDWINDOW,
                                   800, 600,
-                                  CW_USEDEFAULT, CW_USEDEFAULT,
+                                  800, 300,
+//                                  CW_USEDEFAULT, CW_USEDEFAULT,
                                   NULL, NULL, hInstance, NULL);
     if(!hWindow) return NULL;
     c_WinGuiApp.hMainWindow = hWindow;