Create checkbox.c

controls/checkbox.c

@@ -0,0 +1,73 @@
+#include <windows.h>
+#include <stdbool.h>
+
+LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
+
+
+int WINAPI wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
+                    PWSTR lpCmdLine, int nCmdShow) {
+                    
+    MSG  msg;    
+    WNDCLASSW wc = {0};
+    wc.lpszClassName = L"Check Box";
+    wc.hInstance     = hInstance ;
+    wc.hbrBackground = GetSysColorBrush(COLOR_3DFACE);
+    wc.lpfnWndProc   = WndProc;
+    wc.hCursor       = LoadCursor(0, IDC_ARROW);
+
+    RegisterClassW(&wc);
+    CreateWindowW(wc.lpszClassName, L"Check Box",
+                  WS_OVERLAPPEDWINDOW | WS_VISIBLE,
+                  150, 150, 230, 150, 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) {
+    
+    bool checked = true;
+
+    switch(msg) {
+  
+        case WM_CREATE:
+
+            CreateWindowW(L"button", L"Show Title",
+                WS_VISIBLE | WS_CHILD | BS_CHECKBOX,
+                20, 20, 185, 35, hwnd, (HMENU) 1, 
+                NULL, NULL);
+
+            CheckDlgButton(hwnd, 1, BST_CHECKED);
+            break;
+
+        case WM_COMMAND:
+
+            checked = IsDlgButtonChecked(hwnd, 1);
+
+            if (checked) {
+
+                CheckDlgButton(hwnd, 1, BST_UNCHECKED);
+                SetWindowTextW(hwnd, L"");
+
+            } else {
+
+               CheckDlgButton(hwnd, 1, BST_CHECKED);
+               SetWindowTextW(hwnd, L"Check Box");
+            }
+      
+            break;
+ 
+       case WM_DESTROY:
+
+            PostQuitMessage(0);
+            break;
+    }
+
+    return DefWindowProcW(hwnd, msg, wParam, lParam);
+}