Create checkmenuitem.c

menus/checkmenuitem.c

@@ -0,0 +1,107 @@
+#include <windows.h>
+#include <commctrl.h>
+
+LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
+void AddMenus(HWND);
+
+#define IDM_VIEW_STB 1
+
+HWND ghSb;
+HMENU ghMenu;
+
+
+int WINAPI wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
+                    PWSTR lpCmdLine, int nCmdShow) {
+                    
+    MSG  msg;    
+    WNDCLASSW wc = {0};
+    wc.lpszClassName = L"Check menu item";
+    wc.hInstance     = hInstance;
+    wc.hbrBackground = GetSysColorBrush(COLOR_3DFACE);
+    wc.lpfnWndProc   = WndProc;
+    wc.hCursor       = LoadCursor(0, IDC_ARROW);
+
+    RegisterClassW(&wc);
+    CreateWindowW(wc.lpszClassName, L"Check menu item",
+                  WS_OVERLAPPEDWINDOW | WS_VISIBLE,
+                  100, 100, 350, 250, 0, 0, hInstance, 0);
+
+    while (GetMessage(&msg, NULL, 0, 0)) {
+   
+        TranslateMessage(&msg);
+        DispatchMessage(&msg);
+    }
+
+    return (int) msg.wParam;
+}
+
+LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, 
+    WPARAM wParam, LPARAM lParam) {
+    
+    UINT state;
+
+    switch(msg) {
+    
+      case WM_CREATE:
+      
+          AddMenus(hwnd);          
+          InitCommonControls();
+
+          ghSb = CreateWindowExW(0, STATUSCLASSNAMEW, NULL, 
+              WS_CHILD | WS_VISIBLE, 0, 0, 0, 0, hwnd, 
+              (HMENU) 1, GetModuleHandle(NULL), NULL);
+
+          break;
+
+      case WM_COMMAND:
+          
+          switch(LOWORD(wParam)) {
+          
+              case IDM_VIEW_STB:                                    
+                  
+                  state = GetMenuState(ghMenu, IDM_VIEW_STB, MF_BYCOMMAND); 
+
+                  if (state == MF_CHECKED) {
+                  
+                      ShowWindow(ghSb, SW_HIDE);
+                      CheckMenuItem(ghMenu, IDM_VIEW_STB, MF_UNCHECKED);  
+                  } else {
+                  
+                      ShowWindow(ghSb, SW_SHOWNA);
+                      CheckMenuItem(ghMenu, IDM_VIEW_STB, MF_CHECKED);  
+                  }
+                  
+                  break;
+          }
+          
+          break;
+
+      case WM_SIZE:
+      
+          SendMessage(ghSb, WM_SIZE, wParam, lParam);          
+          break;
+
+      case WM_DESTROY:
+      
+          PostQuitMessage(0);
+          break;
+    }
+
+    return DefWindowProcW(hwnd, msg, wParam, lParam);
+}
+
+
+void AddMenus(HWND hwnd) {
+
+    HMENU hMenubar;
+
+    hMenubar = CreateMenu();
+    ghMenu = CreateMenu();
+
+    AppendMenuW(ghMenu, MF_STRING, IDM_VIEW_STB, L"&Statusbar");
+    CheckMenuItem(ghMenu, IDM_VIEW_STB, MF_CHECKED);  
+
+    AppendMenuW(hMenubar, MF_POPUP, (UINT_PTR) ghMenu, L"&View");
+  
+    SetMenu(hwnd, hMenubar);
+}