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-
- #include <windows.h>
- #include <commctrl.h>
- #include "hdrdel.h"
-
-
- #if defined (WIN32)
- #define IS_WIN32 TRUE
- #else
- #define IS_WIN32 FALSE
- #endif
-
- #define IS_NT IS_WIN32 && (BOOL)(GetVersion() < 0x80000000)
- #define IS_WIN32S IS_WIN32 && (BOOL)(!(IS_NT) && (LOBYTE(LOWORD(GetVersion()))<4))
- #define IS_WIN95 (BOOL)(!(IS_NT) && !(IS_WIN32S)) && IS_WIN32
-
- HINSTANCE hInst; // current instance
-
- LPCTSTR lpszAppName = "MyApp";
- LPCTSTR lpszTitle = "Header_DeleteItem";
-
-
- BOOL RegisterWin95( CONST WNDCLASS* lpwc );
-
-
- int APIENTRY WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance,
- LPTSTR lpCmdLine, int nCmdShow)
- {
- MSG msg;
- HWND hWnd;
- WNDCLASS wc;
-
- wc.style = CS_HREDRAW | CS_VREDRAW;
- wc.lpfnWndProc = (WNDPROC)WndProc;
- wc.cbClsExtra = 0;
- wc.cbWndExtra = 0;
- wc.hInstance = hInstance;
- wc.hIcon = LoadIcon (hInstance, lpszAppName);
- wc.hCursor = LoadCursor(NULL, IDC_ARROW);
- wc.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
- wc.lpszMenuName = lpszAppName;
- wc.lpszClassName = lpszAppName;
-
- if ( IS_WIN95 )
- {
- if ( !RegisterWin95( &wc ) )
- return( FALSE );
- }
- else if ( !RegisterClass( &wc ) )
- return( FALSE );
-
- hInst = hInstance;
-
- hWnd = CreateWindow( lpszAppName,
- lpszTitle,
- WS_OVERLAPPEDWINDOW,
- CW_USEDEFAULT, 0,
- CW_USEDEFAULT, 0,
- NULL,
- NULL,
- hInstance,
- NULL
- );
-
- if ( !hWnd )
- return( FALSE );
-
- ShowWindow( hWnd, nCmdShow );
- UpdateWindow( hWnd );
-
- while( GetMessage( &msg, NULL, 0, 0) )
- {
- TranslateMessage( &msg );
- DispatchMessage( &msg );
- }
-
- return( msg.wParam );
- }
-
-
- BOOL RegisterWin95( CONST WNDCLASS* lpwc )
- {
- WNDCLASSEX wcex;
-
- wcex.style = lpwc->style;
- wcex.lpfnWndProc = lpwc->lpfnWndProc;
- wcex.cbClsExtra = lpwc->cbClsExtra;
- wcex.cbWndExtra = lpwc->cbWndExtra;
- wcex.hInstance = lpwc->hInstance;
- wcex.hIcon = lpwc->hIcon;
- wcex.hCursor = lpwc->hCursor;
- wcex.hbrBackground = lpwc->hbrBackground;
- wcex.lpszMenuName = lpwc->lpszMenuName;
- wcex.lpszClassName = lpwc->lpszClassName;
-
- // Added elements for Windows 95.
- //...............................
- wcex.cbSize = sizeof(WNDCLASSEX);
- wcex.hIconSm = LoadImage(wcex.hInstance, lpwc->lpszClassName,
- IMAGE_ICON, 16, 16,
- LR_DEFAULTCOLOR );
-
- return RegisterClassEx( &wcex );
- }
-
- int GetColumnOffs( HWND hHeader, int nColNum )
- {
- HD_ITEM hi;
- int i;
- int x = 0;
-
- hi.mask = HDI_WIDTH;
-
- // Calculate the column position.
- //...............................
- for( i=0; i<nColNum; i++ )
- {
- Header_GetItem( hHeader, i, &hi );
- x += hi.cxy;
- }
-
- return( x );
- }
-
- LRESULT CALLBACK WndProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
- {
- static HD_LAYOUT hl;
- static WINDOWPOS wp;
- static RECT rc;
- static HWND hHeader = NULL;
-
- switch( uMsg )
- {
- case WM_CREATE :
- InitCommonControls();
-
- // Create the header control.
- //...........................
- hHeader = CreateWindowEx( 0, WC_HEADER, "",
- WS_CHILD | WS_VISIBLE |
- HDS_BUTTONS,
- 0, 0, 10, 10, hWnd,
- (HMENU)1, hInst, NULL );
-
- // Initialize the HD_LAYOUT members.
- //..................................
- hl.pwpos = ℘
- hl.prc = &rc;
- break;
-
- case WM_SIZE :
- rc.top = 0;
- rc.left = 0;
- rc.right = LOWORD( lParam );
- rc.bottom = HIWORD( lParam );
-
- Header_Layout( hHeader, &hl );
- SetWindowPos( hHeader, hWnd, wp.x, wp.y, wp.cx, wp.cy, wp.flags );
- break;
-
-
- case WM_COMMAND :
- switch( LOWORD( wParam ) )
- {
- case IDM_INSERT :
- {
- char szTitle[32];
- HD_ITEM hi;
-
- SendMessage( hHeader, WM_SETFONT,
- (WPARAM)GetStockObject( DEFAULT_GUI_FONT ), 0 );
-
- wsprintf( szTitle, "Column %d",
- Header_GetItemCount( hHeader )+1 );
-
- hi.mask = HDI_FORMAT | HDI_TEXT | HDI_WIDTH;
- hi.pszText = (LPTSTR)szTitle;
- hi.fmt = HDF_STRING;
- hi.cxy = 100;
-
- Header_InsertItem( hHeader,
- Header_GetItemCount( hHeader ),
- (LPARAM)&hi );
- }
- break;
-
- case IDM_DELETE :
- Header_DeleteItem( hHeader,
- Header_GetItemCount( hHeader )-1 );
- break;
-
- case IDM_ABOUT :
- DialogBox( hInst, "AboutBox", hWnd, (DLGPROC)About );
- break;
-
- case IDM_EXIT :
- DestroyWindow( hWnd );
- break;
- }
- break;
-
- case WM_DESTROY :
- PostQuitMessage(0);
- break;
-
- default :
- return( DefWindowProc( hWnd, uMsg, wParam, lParam ) );
- }
-
- return( 0L );
- }
-
-
- LRESULT CALLBACK About( HWND hDlg,
- UINT message,
- WPARAM wParam,
- LPARAM lParam)
- {
- switch (message)
- {
- case WM_INITDIALOG:
- return (TRUE);
-
- case WM_COMMAND:
- if ( LOWORD(wParam) == IDOK
- || LOWORD(wParam) == IDCANCEL)
- {
- EndDialog(hDlg, TRUE);
- return (TRUE);
- }
- break;
- }
-
- return (FALSE);
- }
-