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- /*------------------------------------------
- ABOUT1.C -- About Box Demo Program No. 1
- (c) Charles Petzold, 1996
- ------------------------------------------*/
-
- #include <windows.h>
- #include "about1.h"
-
- LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM) ;
- BOOL CALLBACK AboutDlgProc (HWND, UINT, WPARAM, LPARAM) ;
-
- int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
- PSTR szCmdLine, int iCmdShow)
- {
- static char szAppName[] = "About1" ;
- MSG msg ;
- HWND hwnd ;
- WNDCLASSEX wndclass ;
-
- wndclass.cbSize = sizeof (wndclass) ;
- wndclass.style = CS_HREDRAW | CS_VREDRAW ;
- wndclass.lpfnWndProc = WndProc ;
- wndclass.cbClsExtra = 0 ;
- wndclass.cbWndExtra = 0 ;
- wndclass.hInstance = hInstance ;
- wndclass.hIcon = LoadIcon (hInstance, szAppName) ;
- wndclass.hCursor = LoadCursor (NULL, IDC_ARROW) ;
- wndclass.hbrBackground = (HBRUSH) GetStockObject (WHITE_BRUSH) ;
- wndclass.lpszMenuName = szAppName ;
- wndclass.lpszClassName = szAppName ;
- wndclass.hIconSm = LoadIcon (hInstance, szAppName) ;
-
- RegisterClassEx (&wndclass) ;
-
- hwnd = CreateWindow (szAppName, "About Box Demo Program",
- WS_OVERLAPPEDWINDOW,
- CW_USEDEFAULT, CW_USEDEFAULT,
- CW_USEDEFAULT, CW_USEDEFAULT,
- NULL, NULL, hInstance, NULL) ;
-
- ShowWindow (hwnd, iCmdShow) ;
- UpdateWindow (hwnd) ;
-
- while (GetMessage (&msg, NULL, 0, 0))
- {
- TranslateMessage (&msg) ;
- DispatchMessage (&msg) ;
- }
- return msg.wParam ;
- }
-
- LRESULT CALLBACK WndProc (HWND hwnd, UINT iMsg, WPARAM wParam, LPARAM lParam)
- {
- static WNDPROC lpfnAboutDlgProc ;
- static HINSTANCE hInstance ;
-
- switch (iMsg)
- {
- case WM_CREATE :
- hInstance = ((LPCREATESTRUCT) lParam)->hInstance ;
- return 0 ;
-
- case WM_COMMAND :
- switch (LOWORD (wParam))
- {
- case IDM_ABOUT :
- DialogBox (hInstance, "AboutBox", hwnd, AboutDlgProc) ;
- return 0 ;
- }
- break ;
-
- case WM_DESTROY :
- PostQuitMessage (0) ;
- return 0 ;
- }
- return DefWindowProc (hwnd, iMsg, wParam, lParam) ;
- }
-
- BOOL CALLBACK AboutDlgProc (HWND hDlg, UINT iMsg, WPARAM wParam, LPARAM lParam)
- {
- switch (iMsg)
- {
- case WM_INITDIALOG :
- return TRUE ;
-
- case WM_COMMAND :
- switch (LOWORD (wParam))
- {
- case IDOK :
- case IDCANCEL :
- EndDialog (hDlg, 0) ;
- return TRUE ;
- }
- break ;
- }
- return FALSE ;
- }
-