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- /*
- * Function Name: DestroyCaret
- * Program Name: decaret.c
- * Special Notes:
- *
- * SDK Version: 2.03
- * Runtime Version: 2.03
- * Microsoft C Version: 5.0
- *
- * Description:
- * The program below will display a caret and then destroy it.
- *
- * Microsoft Product Support Services
- * Windows Version 2.0 function demonstration application
- *
- */
-
- #include <windows.h>
-
- long FAR PASCAL WndProc(HWND, unsigned, WORD, LONG);
-
- int PASCAL WinMain(hInstance, hPrevInstance, lpszCmdLine, cmdShow)
- HANDLE hInstance, hPrevInstance;
- LPSTR lpszCmdLine;
- int cmdShow;
- {
- MSG msg;
- HWND hWnd;
- HMENU hMenu;
- WNDCLASS wcClass;
-
- if (!hPrevInstance)
- {
- wcClass.style = CS_HREDRAW | CS_VREDRAW;
- wcClass.lpfnWndProc = WndProc;
- wcClass.cbClsExtra = 0;
- wcClass.cbWndExtra = 0;
- wcClass.hInstance = hInstance;
- wcClass.hIcon = LoadIcon(hInstance, NULL);
- wcClass.hCursor = LoadCursor(NULL, IDC_ARROW);
- wcClass.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);
- wcClass.lpszMenuName = NULL;
- wcClass.lpszClassName = "DestroyCaret";
-
- if (!RegisterClass(&wcClass))
- return FALSE;
- }
-
- hWnd = CreateWindow("DestroyCaret",
- "DestroyCaret()",
- WS_OVERLAPPEDWINDOW,
- CW_USEDEFAULT,
- CW_USEDEFAULT,
- CW_USEDEFAULT,
- CW_USEDEFAULT,
- NULL,
- NULL,
- hInstance,
- NULL);
-
- ShowWindow(hWnd, cmdShow);
- UpdateWindow(hWnd);
-
- while (GetMessage(&msg, NULL, 0, 0))
- {
- TranslateMessage(&msg);
- DispatchMessage(&msg);
- }
- return msg.wParam;
- }
-
-
- long FAR PASCAL WndProc(hWnd, message, wParam, lParam)
- HWND hWnd;
- unsigned message;
- WORD wParam;
- LONG lParam;
- {
- PAINTSTRUCT ps;
-
- switch (message)
- {
- case WM_PAINT:
- {
- BeginPaint(hWnd, &ps);
- if (!IsIconic (hWnd))
- {
- CreateCaret (hWnd, NULL, 10, 20);
- SetCaretPos (40, 40);
- ShowCaret (hWnd);
- MessageBox(hWnd,
- "Caret shown, press return to destroy",
- "DestroyCaret", MB_OK);
- DestroyCaret();
- }
- ValidateRect(hWnd, NULL);
- EndPaint(hWnd, &ps);
- break;
- }
- case WM_DESTROY:
- {
- PostQuitMessage(0);
- break;
- }
- default:
- return DefWindowProc(hWnd, message, wParam, lParam);
- }
- return(0L);
- }
-
-
-