Create flashing.c

firststeps/flashing.c

@@ -0,0 +1,63 @@
+#include <windows.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"Flash";
+    wc.hInstance     = hInstance;
+    wc.hbrBackground = GetSysColorBrush(COLOR_3DFACE);
+    wc.lpfnWndProc   = WndProc;
+    wc.hCursor       = LoadCursor(0,IDC_ARROW);
+
+    RegisterClassW(&wc);
+    CreateWindowW(wc.lpszClassName, L"Flash",
+                 WS_OVERLAPPEDWINDOW | WS_VISIBLE,
+                 100, 100, 250, 180, 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) {
+  
+    FLASHWINFO fwi;
+
+    switch(msg)  {
+    
+      case WM_CREATE:
+
+          CreateWindowW(L"Button", L"Flash",
+                  WS_CHILD | WS_VISIBLE,
+                  10, 10, 80, 25, 
+                  hwnd, (HMENU) 1, NULL, NULL);
+          break;
+
+      case WM_COMMAND:
+
+          fwi.cbSize = sizeof(fwi);
+          fwi.dwFlags = FLASHW_ALL;
+          fwi.dwTimeout = 0;
+          fwi.hwnd = hwnd;
+          fwi.uCount = 4;
+
+          FlashWindowEx(&fwi);
+          break;
+
+      case WM_DESTROY:
+
+          PostQuitMessage(0);
+          break; 
+    }
+
+    return DefWindowProcW(hwnd, msg, wParam, lParam);
+}