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- /*
- *
- * Function (s) demonstrated in this program: CloseWindow
- *
- * Description: This function makes a window iconic
- *
- */
-
- #define NOMINMAX
- #include <windows.h>
- #include <stdlib.h>
- #include <stdio.h>
- #include "CloseWin.h"
-
- HWND hWndMain;
- HANDLE hInstMain;
-
- char szOutputBuffer1 [70];
- char szOutputBuffer2 [500];
-
- struct {
- char *szMessage;
- } Messages [] = {
- "About\0",
- " This is a sample application to demonstrate the\n\
- use of the CloseWindow Windows function.",
-
- "Help Message",
- " This program uses the CloseWindow Windows\n\
- function to minimize this window, the window is\n\
- then restored to its original state. Use the menu\n\
- to test this function.",
-
- };
-
- /****************************************************************************/
-
- void ProcessMessage (HWND, int);
-
- void ProcessMessage (hWnd, MessageNumber)
- HWND hWnd;
- int MessageNumber;
- {
- sprintf (szOutputBuffer1, "%s", Messages [MessageNumber]);
- sprintf (szOutputBuffer2, "%s", Messages [MessageNumber + 1]);
- MessageBox (hWnd, szOutputBuffer2, szOutputBuffer1, MB_OK);
- }
-
- /****************************************************************************/
-
- int PASCAL WinMain (hInstance, hPrevInstance, lpszCmdLine, nCmdShow)
- HANDLE hInstance, hPrevInstance;
- LPSTR lpszCmdLine;
- int nCmdShow;
- {
- static char szAppName [] = "CloseWin";
- HWND hWnd;
- WNDCLASS wndclass;
- MSG msg;
-
- if (!hPrevInstance)
- {
- wndclass.style = CS_HREDRAW | CS_VREDRAW;
- wndclass.lpfnWndProc = WndProc;
- wndclass.cbClsExtra = 0;
- wndclass.cbWndExtra = 0;
- wndclass.hInstance = hInstance;
- wndclass.hIcon = LoadIcon (NULL, IDI_APPLICATION);
- wndclass.hCursor = LoadCursor (NULL, IDC_ARROW);
- wndclass.hbrBackground = GetStockObject (WHITE_BRUSH);
- wndclass.lpszMenuName = szAppName;
- wndclass.lpszClassName = szAppName;
-
- if (!RegisterClass (&wndclass))
- return FALSE;
- }
-
- hWndMain = CreateWindow (szAppName, /* window class name */
- "CloseWindow", /* window caption */
- WS_OVERLAPPEDWINDOW, /* window style */
- CW_USEDEFAULT, /* initial x position */
- 0, /* initial y position */
- CW_USEDEFAULT, /* initial x size */
- 0, /* initial y size */
- NULL, /* parent window handle */
- NULL, /* window menu handle */
- hInstance, /* program instance handle */
- NULL); /* create parameters */
-
- ShowWindow (hWndMain, nCmdShow);
- UpdateWindow (hWndMain);
-
- hInstMain = hInstance;
-
- while (GetMessage (&msg, NULL, 0, 0))
- {
- TranslateMessage (&msg);
- DispatchMessage (&msg);
- }
- return (msg.wParam);
- }
-
- /****************************************************************************/
-
- long FAR PASCAL WndProc (hWnd, iMessage, wParam, lParam)
- HWND hWnd;
- unsigned iMessage;
- WORD wParam;
- LONG lParam;
- {
- HMENU hMenu;
-
- switch (iMessage)
- {
- case WM_CREATE:
- hMenu = GetSystemMenu (hWnd, FALSE);
- ChangeMenu (hMenu, NULL, "&About", IDM_ABOUT, MF_APPEND | MF_STRING);
- break;
-
- case WM_SYSCOMMAND:
- switch (wParam)
- {
- case IDM_ABOUT:
- ProcessMessage (hWnd, 0);
- break;
- default:
- return DefWindowProc (hWnd, iMessage, wParam, lParam);
- }
- break;
-
- case WM_COMMAND:
- switch (wParam)
- {
- case IDM_CLOSEWINDOW:
- MessageBox (hWnd, "About to Use CloseWindow", "CloseWindow", MB_OK);
- CloseWindow (hWnd);
- MessageBox (hWnd, "Restoring window to original state",
- "CloseWindow", MB_OK);
- SendMessage (hWnd, WM_SYSCOMMAND, SC_RESTORE, 0L);
- break;
-
- case IDM_HELP:
- ProcessMessage (hWnd, 2);
- break;
- }
- break;
-
- case WM_DESTROY:
- PostQuitMessage (0);
- break;
-
- default:
- return DefWindowProc (hWnd, iMessage, wParam, lParam);
- }
- return (0L);
- }
-