C++ CString::GetLength方法代码示例

BOOL CMainDlg::RawPrint(LPTSTR fileName)
{
    HANDLE p, f;
    p = f = INVALID_HANDLE_VALUE;
    LPBYTE buffer = NULL;
    DWORD err = ERROR_SUCCESS, w, size, r;
    WTL::CString ballon, message;
    CRPTray rwtray;

    WTL::CString printer = CMainDlg::GetRawPrinter();
    if (!printer.GetLength())
    {
        ::MessageBox(NULL, _(IDS_NOPRINTER), _T("RawPrinter"), MB_OK | MB_ICONERROR);
        return FALSE;
    }

    PRINTER_DEFAULTS defaults = { _T("RAW"), 0, PRINTER_ACCESS_USE };
    DOC_INFO_1 doc = { fileName, NULL, _T("RAW") };

    if ((f = ::CreateFile(fileName,
        GENERIC_READ, FILE_SHARE_READ,
        NULL, OPEN_EXISTING,
            FILE_ATTRIBUTE_NORMAL, NULL)) == INVALID_HANDLE_VALUE)
    {
        message.Format(_(IDS_ERROR_CREATEFILE), fileName, AtlGetErrorDescription(::GetLastError()));
        ::MessageBox(NULL, message, _T("RawPrinter"), MB_OK | MB_ICONERROR);
            goto end;
    }

    size = ::GetFileSize(f, NULL);
    buffer = (LPBYTE) new BYTE[size];
    ::ReadFile(f, buffer, size, &r, NULL);
    ::CloseHandle(f);

    LPTSTR fn = _tcsrchr(fileName, _T('\\'));
    ballon.Format(_(IDS_PRINTING), fn ? fn + 1: fileName, printer);
    rwtray.Ballon(ballon, 3000);

    CALL(::OpenPrinter(printer.GetBuffer(0), &p, &defaults), OpenPrinter);
    CALL(::StartDocPrinter(p, 1, (LPBYTE) &doc), StartDocPrinter);
    CALL(::StartPagePrinter(p), StartPagePrinter);
    CALL(::WritePrinter(p, buffer, size, &w), WritePrinter);
    CALL(::EndPagePrinter(p), EndPagePrinter);
    CALL(::EndDocPrinter(p), EndDocPrinter);

end:
    if (buffer) delete buffer;
    ClosePrinter(p);
    return TRUE;
}

inline BOOL CreateDirectory(const WTL::CString& strDir)
{
	BOOL retval = FALSE;
	WTL::CString strTemp = strDir;
	WTL::CString strBase;
	int nFind;

	if (GetFileAttributes(strDir) == FILE_ATTRIBUTE_DIRECTORY)
	{
		retval = TRUE;
		goto clean0;
	}

	if (strTemp[strTemp.GetLength() - 1] != _T('\\'))
		strTemp += _T("\\");

	nFind = strTemp.Find(_T("\\"));
	while (nFind != -1)
	{
		strBase += strTemp.Left(nFind + 1);
		strTemp.Delete(0, nFind + 1);

		if (GetFileAttributes(strBase) == INVALID_FILE_ATTRIBUTES)
		{
			if (!CreateDirectory(strBase, NULL))
				goto clean0;
		}

		nFind = strTemp.Find(_T("\\"));
	}

	retval = TRUE;

clean0:
	return retval;
}

LRESULT CMainFrame::OnCreate(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
{
#ifndef BTNS_SHOWTEXT
#define BTNS_SHOWTEXT 0x0040
#endif

	// set title
	WTL::CString strTitle;
	strTitle.LoadString( IDS_APPLICATION );
	SetWindowText(strTitle);

	CreateSimpleStatusBar();

	HWND hWndToolBar = 
		CreateSimpleToolBarCtrl(
			m_hWnd, IDR_MAINFRAME, FALSE, 
			ATL_SIMPLE_TOOLBAR_STYLE | BTNS_SHOWTEXT | TBSTYLE_LIST | TBSTYLE_FLAT | TBSTYLE_FLAT);
	TBBUTTON tbButton = { 0 };
	TBBUTTONINFO tbButtonInfo = { 0 };
	TBREPLACEBITMAP replaceBitmap = { 0 };
	m_wndToolBar.Attach( hWndToolBar );
	m_wndToolBar.SetExtendedStyle( TBSTYLE_EX_DRAWDDARROWS );
	// Replace toolbar bitmap to display true color image
	replaceBitmap.hInstNew = _Module.GetResourceInstance();
	replaceBitmap.hInstOld = _Module.GetResourceInstance();
	replaceBitmap.nIDOld = IDR_MAINFRAME;
	replaceBitmap.nIDNew = IDB_MAINFRAME;
	replaceBitmap.nButtons = 4;
	m_wndToolBar.ReplaceBitmap( &replaceBitmap );
	// Add strings to the toolbar
	m_wndToolBar.SetButtonStructSize(sizeof(TBBUTTON));
	for ( int i=0; i < m_wndToolBar.GetButtonCount(); i++ )
	{
		WTL::CString strCommand;

		m_wndToolBar.GetButton( i, &tbButton );
		tbButtonInfo.cbSize	= sizeof(TBBUTTONINFO);
		tbButtonInfo.dwMask = TBIF_STYLE;
		m_wndToolBar.GetButtonInfo( tbButton.idCommand, &tbButtonInfo );
		tbButtonInfo.dwMask = TBIF_TEXT | TBIF_STYLE;
		strCommand.LoadString( tbButton.idCommand );
		strCommand = strCommand.Right(
						strCommand.GetLength() - strCommand.Find('\n') - 1
						);
		tbButtonInfo.pszText = 
			const_cast<LPTSTR>(static_cast<LPCTSTR>(strCommand));
		tbButtonInfo.cchText = strCommand.GetLength();
		tbButtonInfo.fsState |= BTNS_SHOWTEXT;
		m_wndToolBar.AddString( tbButton.idCommand );
		m_wndToolBar.SetButtonInfo( tbButton.idCommand, &tbButtonInfo );
	}
	// Modify mirror button as dropdown button
	m_wndToolBar.GetButton( 
		m_wndToolBar.CommandToIndex(IDM_AGGR_MIRROR), 
		&tbButton 
		);
	tbButtonInfo.cbSize = sizeof(TBBUTTONINFO);
	tbButtonInfo.dwMask = TBIF_STYLE;
	tbButtonInfo.fsStyle = tbButton.fsStyle | TBSTYLE_DROPDOWN;
	m_wndToolBar.SetButtonInfo( IDM_AGGR_MIRROR, &tbButtonInfo );
	CreateSimpleReBar(ATL_SIMPLE_REBAR_NOBORDER_STYLE);

	AddSimpleReBarBand(m_wndToolBar);
	UIAddToolBar(m_wndToolBar);

	m_hWndClient = m_view.Create(
					m_hWnd, 
					rcDefault, 
					NULL, 
					WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | WS_CLIPCHILDREN 
					| TVS_HASLINES | /* TVS_LINESATROOT | */ TVS_SHOWSELALWAYS, 
					WS_EX_CLIENTEDGE
					);
	UISetCheck(ID_VIEW_TOOLBAR, 1);
	UISetCheck(ID_VIEW_STATUS_BAR, 1);

	// TODO : It will be better if we display splash window while
	//		the treeview is initialized

	m_bRefreshing = FALSE;
	::InitializeCriticalSection(&m_csThreadRefreshStatus);
	StartRefreshStatus();

	m_hEventCallback = 
		::NdasRegisterEventCallback(pNdasEventProc,m_hWnd);


	// register object for message filtering and idle updates
	CMessageLoop* pLoop = _Module.GetMessageLoop();
	ATLASSERT(pLoop != NULL);
	pLoop->AddMessageFilter(this);
	pLoop->AddIdleHandler(this);

	// FIXME : We need to remember the window size
	CRect rectResize;
	GetClientRect( rectResize );
	rectResize = CRect( rectResize.TopLeft(), CSize(500, 500) );
	ClientToScreen( rectResize );
	MoveWindow( rectResize );
	CenterWindow();
//.........这里部分代码省略.........

/*
void SetPaneWidths(int* arrWidths, int nPanes)
{ 
    // find the size of the borders
    int arrBorders[3];
    m_status.GetBorders(arrBorders);

    // calculate right edge of default pane (0)
    arrWidths[0] += arrBorders[2];
    for (int i = 1; i < nPanes; i++)
        arrWidths[0] += arrWidths[i];

    // calculate right edge of remaining panes (1 thru nPanes-1)
    for (int j = 1; j < nPanes; j++)
        arrWidths[j] += arrBorders[2] + arrWidths[j - 1];

    // set the pane widths
    m_status.SetParts(m_status.m_nPanes, arrWidths); 
}

*/
LRESULT CMainFrame::OnCreate(LPCREATESTRUCT /*lParam*/)
{
	//
	// create command bar window
	//
	HWND hWndCmdBar = m_CmdBar.Create(
		m_hWnd,
		rcDefault,
		NULL,
		ATL_SIMPLE_CMDBAR_PANE_STYLE);

	// attach menu
	m_CmdBar.AttachMenu(GetMenu());
	// load command bar images
	m_CmdBar.SetImageSize(CSize(9,9));
	//	m_CmdBar.LoadImages(IDR_MAINFRAME);
	// remove old menu
	SetMenu(NULL);

	// set title
	WTL::CString strTitle;
	strTitle.LoadString( IDS_APPLICATION );
	SetWindowText(strTitle);

	//
	// setting up a tool bar
	//
	HWND hWndToolBar = CreateSimpleToolBarCtrl(
		m_hWnd, 
		IDR_MAINFRAME, 
		FALSE, 
		ATL_SIMPLE_TOOLBAR_PANE_STYLE | TBSTYLE_LIST);

	m_wndToolBar.Attach( hWndToolBar );
	m_wndToolBar.SetExtendedStyle( TBSTYLE_EX_MIXEDBUTTONS | TBSTYLE_EX_DRAWDDARROWS );

	//
	// patria:
	//
	// Some bitmaps are distorted when used with TB_ADDBITMAP
	// which is sent from CreateSimpleToolBarCtrl when the bitmap is not true color.
	// This is the case with IO-DATA's tool bar image.
	// As an workaround, we can directly create a image list directly
	// and replace the image list of the tool bar, which corrects such misbehaviors.
	//
	{
		CImageList imageList;
		WORD wWidth = 32; // we are using 32 x 32 buttons
		imageList.CreateFromImage(
			IDR_MAINFRAME, 
			wWidth, 
			1, 
			CLR_DEFAULT,
			IMAGE_BITMAP,
			LR_CREATEDIBSECTION | LR_DEFAULTSIZE);
		m_wndToolBar.SetImageList(imageList);
	}

	TBBUTTON tbButton = { 0 };
	TBBUTTONINFO tbButtonInfo = { 0 };
	TBREPLACEBITMAP replaceBitmap = { 0 };

	// Add strings to the tool bar
	m_wndToolBar.SetButtonStructSize(sizeof(TBBUTTON));
	for ( int i=0; i < m_wndToolBar.GetButtonCount(); i++ )
	{
		WTL::CString strCommand;

		m_wndToolBar.GetButton( i, &tbButton );
		tbButtonInfo.cbSize	= sizeof(TBBUTTONINFO);
		tbButtonInfo.dwMask = TBIF_STYLE;
		m_wndToolBar.GetButtonInfo( tbButton.idCommand, &tbButtonInfo );
		tbButtonInfo.dwMask = TBIF_TEXT | TBIF_STYLE;
		strCommand.LoadString( tbButton.idCommand );
		strCommand = strCommand.Right(
			strCommand.GetLength() - strCommand.Find('\n') - 1
			);
		tbButtonInfo.pszText = 
			const_cast<LPTSTR>(static_cast<LPCTSTR>(strCommand));
//.........这里部分代码省略.........