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C++ CString::GetAllocLength方法代码示例

本文整理汇总了C++中CString::GetAllocLength方法的典型用法代码示例。如果您正苦于以下问题：C++ CString::GetAllocLength方法的具体用法？C++ CString::GetAllocLength怎么用？C++ CString::GetAllocLength使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类CString的用法示例。


在下文中一共展示了CString::GetAllocLength方法的12个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: DDX_FieldCBString

void AFXAPI DDX_FieldCBString(CDataExchange* pDX, int nIDC, CString& value,
                              CRecordset* pRecordset)
{
    ASSERT_VALID(pRecordset);

    HWND hWndCtrl = pDX->PrepareCtrl(nIDC);
    if (pDX->m_bSaveAndValidate)
    {
        // just get current edit item text (or drop list static)
        int nLen = ::GetWindowTextLength(hWndCtrl);
        if (nLen != -1)
        {
            CString strTemp;
            ::GetWindowText(hWndCtrl, strTemp.GetBuffer(nLen), nLen+1);
            strTemp.ReleaseBuffer();
            nLen = strTemp.GetLength();
            if (nLen > value.GetAllocLength())
                AfxFailMaxChars(pDX, value.GetAllocLength());
            // get known length
            ::GetWindowText(hWndCtrl, value.GetBuffer(0), nLen+1);
        }
        else
        {
            // for drop lists GetWindowTextLength does not work - assume
            //  preallocated length
            ::GetWindowText(hWndCtrl, value.GetBuffer(0), value.GetAllocLength()+1);
        }
        value.ReleaseBuffer();
        if (value.GetLength() == 0)
        {
            if (pRecordset->IsFieldNullable(&value))
                pRecordset->SetFieldNull(&value, TRUE);
        }
        else
        {
            pRecordset->SetFieldNull(&value, FALSE);
        }
    }
    else
    {
        if (!pRecordset->IsOpen() || pRecordset->IsFieldNull(&value))
        {
            SendMessage(hWndCtrl, CB_SETCURSEL, (WPARAM)-1, 0L);
        }
        else
        {
            // set current selection based on model string
            if (::SendMessage(hWndCtrl, CB_SELECTSTRING, (WPARAM)-1,
                              (LPARAM)(LPCTSTR)value) == CB_ERR)
            {
                // just set the edit text (will be ignored if DROPDOWNLIST)
                AfxSetWindowText(hWndCtrl, value);
            }
        }
    }
}
开发者ID:Rupan，项目名称:winscp，代码行数:56，代码来源:dbview.cpp

示例2: DDX_FieldLBString

void AFXAPI DDX_FieldLBString(CDataExchange* pDX, int nIDC, CString& value,
                              CRecordset* pRecordset)
{
    ASSERT_VALID(pRecordset);

    HWND hWndCtrl = pDX->PrepareCtrl(nIDC);
    if (pDX->m_bSaveAndValidate)
    {
        int nIndex = (int)::SendMessage(hWndCtrl, LB_GETCURSEL, 0, 0L);
        if (nIndex != -1)
        {
            int nLen = (int)::SendMessage(hWndCtrl, LB_GETTEXTLEN, nIndex, 0L);
            if (nLen > value.GetAllocLength())
                AfxFailMaxChars(pDX, value.GetAllocLength());
            ::SendMessage(hWndCtrl, LB_GETTEXT, nIndex,
                          (LPARAM)(LPSTR)value.GetBuffer(0));
            if (nLen == 0)
            {
                if (pRecordset->IsFieldNullable(&value))
                    pRecordset->SetFieldNull(&value, TRUE);
            }
            else
            {
                pRecordset->SetFieldNull(&value, FALSE);
            }
            value.ReleaseBuffer();
        }
        else
        {
            // no selection
            value.GetBufferSetLength(0);
            if (pRecordset->IsFieldNullable(&value))
                pRecordset->SetFieldNull(&value);
        }
    }
    else
    {
        if (!pRecordset->IsOpen() || pRecordset->IsFieldNull(&value))
        {
            SendMessage(hWndCtrl, LB_SETCURSEL, (WPARAM)-1, 0L);
        }
        else
        {
            // set current selection based on data string
            if (::SendMessage(hWndCtrl, LB_SELECTSTRING, (WPARAM)-1,
                              (LPARAM)(LPCTSTR)value) == LB_ERR)
            {
                // no selection match
                TRACE0("Warning: no listbox item selected.\n");
            }
        }
    }
}
开发者ID:Rupan，项目名称:winscp，代码行数:53，代码来源:dbview.cpp

示例3: OnNewGame

void NetGoAction::OnNewGame()
{
	agree = true;
	isMe = true;
	CString send = _T("-1:-4");
	winDig->gogame.Send(send, send.GetAllocLength() * 2);
}
开发者ID:xyjincan，项目名称:Go-mfc-vs2015，代码行数:7，代码来源:NetGoAction.cpp

示例4: DebugDboException

CString GravadorControllerDlg::DebugDboException(CDBException *e, CString cOrigin, int nNivel)
{
	// procura pelo código do erro. Extrai de  "State:%s,Native:%ld,Origin:%s"
	int nPos;
	nPos = e->m_strStateNativeOrigin.Find(',');	
	CString cErr;
	cErr = e->m_strStateNativeOrigin.Left(nPos); // State:%s

	CString cException;
	e->GetErrorMessage(cException.GetBuffer(1024), cException.GetAllocLength());
	e->Delete(); // lembrar que não precisa apagar fora dessa rotina.
	cException.ReleaseBuffer();

	// acrescenta a rotina de origem, a descrição e o código do erro.
	cException = cOrigin + cException;
	cException = cException + cErr;

	m_debugLog.Log(LOG_ERROR, cException);
	MessageBox(cException, _T("ERRO"), MB_OK | MB_ICONERROR);

	// devolve o código do erro
	cErr.Delete(0, 6); // aqui só fica o "%s"

	return cErr;
}
开发者ID:flaviobachega，项目名称:MGCE，代码行数:25，代码来源:HermesDbInstallDlg.cpp

示例5: OnUndo

void NetGoAction::OnUndo()
{
	if (guiGo->count == 1) {
		return;
	}
	agree = true;
	CString send = _T("-1:-1");
	winDig->gogame.Send(send, send.GetAllocLength() * 2);
}
开发者ID:xyjincan，项目名称:Go-mfc-vs2015，代码行数:9，代码来源:NetGoAction.cpp

示例6: DDX_FieldText

void AFXAPI DDX_FieldText(CDataExchange* pDX, int nIDC, CString& value,
                          CRecordset* pRecordset)
{
    ASSERT_VALID(pRecordset);
    HWND hWndCtrl = pDX->PrepareEditCtrl(nIDC);
    if (pDX->m_bSaveAndValidate)
    {
        // check if length is too long (this is complicated by Windows NT/J)
        int nLen = ::GetWindowTextLength(hWndCtrl);
        if (nLen > value.GetAllocLength())
        {
            if (!_afxDBCS)
                AfxFailMaxChars(pDX, value.GetAllocLength());
            CString strTemp;
            ::GetWindowText(hWndCtrl, strTemp.GetBuffer(nLen), nLen+1);
            strTemp.ReleaseBuffer();
            nLen = strTemp.GetLength();
            if (nLen > value.GetAllocLength())
                AfxFailMaxChars(pDX, value.GetAllocLength());
        }
        // get known length
        ::GetWindowText(hWndCtrl, value.GetBuffer(0), nLen+1);
        value.ReleaseBuffer();
        if (nLen == 0)
        {
            if (pRecordset->IsFieldNullable(&value))
                pRecordset->SetFieldNull(&value, TRUE);
        }
        else
        {
            pRecordset->SetFieldNull(&value, FALSE);
        }
    }
    else if (pRecordset->IsDeleted())
    {
        CString strDeleted(MAKEINTRESOURCE(AFX_IDS_DELETED));
        AfxSetWindowText(hWndCtrl, strDeleted);
    }
    else
    {
        AfxSetWindowText(hWndCtrl, value);
    }
}
开发者ID:Rupan，项目名称:winscp，代码行数:43，代码来源:dbview.cpp

示例7: OnPass

void NetGoAction::OnPass()
{
	if (!isMe) {
		return;
	}
	turnBW();
	guiGo->passStip(winDig->GetDC());
	CString send = _T("-1:-2");
	winDig->gogame.Send(send, send.GetAllocLength() * 2);
}
开发者ID:xyjincan，项目名称:Go-mfc-vs2015，代码行数:10，代码来源:NetGoAction.cpp

示例8: _GetStringValue

void CDSN::_GetStringValue(CRegKey &key, 
    const CString &strValueName, CString &strValue) const
{
    PTSTR pBuf = strValue.GetBuffer(255);
    ULONG ulChars = strValue.GetAllocLength(); // not GetLength
    LONG lRes = key.QueryStringValue(strValueName, pBuf, &ulChars);
    pBuf = NULL;
    strValue.ReleaseBuffer();
    if (lRes != ERROR_SUCCESS)
    {
        throw _T("_GetStringValue failed");
    }
}
开发者ID:a524631266，项目名称:Ongoing-Study，代码行数:13，代码来源:ODBCHelper.cpp

示例9: GetWindowTextType

int CUtils::GetWindowTextType(const CString& text)
{
	int len = text.GetAllocLength();
	if (len >= 3 && text[0] == _T('*') && text[len - 1] == _T('*'))
		return IDS_WINDOW_TEXT_MATCH;
	else if (len >= 2 && text[0] != _T('*') && text[len - 1] == _T('*'))
		return IDS_WINDOW_TEXT_MATCH_FORWARD;
	else if (len >= 2 && text[0] == _T('*') && text[len - 1] != _T('*'))
		return IDS_WINDOW_TEXT_MATCH_BACKWARD;
	else if (len > 0 && text[0] != _T('*') && text[len - 1] != _T('*'))
		return IDS_WINDOW_TEXT_MATCH_FULL;
	return IDS_WINDOW_TEXT_IGNORE;
}
开发者ID:Peluko，项目名称:xkeymacs，代码行数:13，代码来源:Utils.cpp

示例10: CStringToA

LPSTR CStringToA(const CString& strData) 
{
    CString ret;
    char *ptr = NULL;
#ifdef _UNICODE
    LONG    len;
    len = WideCharToMultiByte(CP_ACP, 0, strData, -1, NULL, 0, NULL, NULL);
    ptr = new char [len+1];
	if (ptr)
	{
		memset(ptr,0,len + 1);
		WideCharToMultiByte(CP_ACP, 0, strData, -1, ptr, len + 1, NULL, NULL);
	}
#else
    ptr = new char [strData.GetAllocLength()+1];
    sprintf(ptr,_T("%s"),strData);
#endif
    return ptr;
}
开发者ID:ligaoliang，项目名称:repacks，代码行数:19，代码来源:global.cpp

示例11: OnPoint

void NetGoAction::OnPoint(CPoint point)
{

	if (!isMe) {
		return;
	}

	turnBW();
	//下棋
	if (guiGo->clickGo(winDig->GetDC(), point)) {

		int px = guiGo->px;
		int py = guiGo->py;
		CString stx, sty;
		stx.Format(_T("%d"), px);
		sty.Format(_T("%d"), py);
		CString send = stx + _T(":") + sty;
		winDig->gogame.Send(send, send.GetAllocLength()*2);
	}else {
		//走棋非法时，保留下棋权利 ps：bug（2016/5/6）
		turnBW();
	}
}
开发者ID:xyjincan，项目名称:Go-mfc-vs2015，代码行数:23，代码来源:NetGoAction.cpp

示例12: WinMain

int WINAPI WinMain(      
    HINSTANCE hInstance,
    HINSTANCE hPrevInstance,
    LPSTR lpCmdLine,
    int nCmdShow
)
{
	SECURITY_ATTRIBUTES sa;
	sa.bInheritHandle = true;
	sa.nLength = sizeof(SECURITY_ATTRIBUTES);
	sa.lpSecurityDescriptor = NULL;

	if (!IsWow64())
		return 1;

	if (!CString(lpCmdLine).IsEmpty())
		pidToAttach = atoi(lpCmdLine);

	HMODULE hKernel32 = LoadLibrary("KERNEL32.DLL");
	pfnLoadLibrary = (LPTHREAD_START_ROUTINE)GetProcAddress(hKernel32, ("LoadLibraryA"));

	char *pDataRemote = 0;

	DWORD numBytes = 0;
	HANDLE fledgeProcess = NULL;

	int numTries = 30;

	while (numTries)
	{
		EnumWindows(FindFledge, pidToAttach);
		if (fledgeWindow != NULL)
			break;
		Sleep(1000);
		numTries--;
	}

	if (fledgeWindow == NULL)
	return 1;

	GetWindowThreadProcessId(fledgeWindow, &pidToAttach);

	fledgeProcess = OpenProcess(PROCESS_ALL_ACCESS, false, pidToAttach);

	CStringA curDir;
	GetCurrentDirectoryA(MAX_PATH, curDir.GetBuffer(MAX_PATH + 1));
	CString param = curDir.GetBuffer();
	param.Append("\\");
	param.Append(HOOK_DLLNAME);

	pDataRemote = (char*) VirtualAllocEx(fledgeProcess, 0, param.GetAllocLength(), MEM_COMMIT, PAGE_READWRITE);
	if (pDataRemote == NULL)
		return 1;
	if (!WriteProcessMemory(fledgeProcess, pDataRemote, param.GetBuffer(), param.GetAllocLength(), &numBytes))
		return 1;

	DWORD threadID;
	HANDLE fledgeThread = CreateRemoteThread(fledgeProcess, NULL, 0, (LPTHREAD_START_ROUTINE) pfnLoadLibrary, pDataRemote, 0, &threadID);

	CStringA eventName;
	eventName.Format("%s%d", "Global\\FledgeHook", pidToAttach);

	HANDLE hEvent = CreateEventA(NULL, false, false, eventName);

	WaitForSingleObject(hEvent, INFINITE);

	DWORD WM_FLEDGEHOOKDATA = RegisterWindowMessageA("FledgeHookDataEvent");

	PostThreadMessageA(threadID, WM_FLEDGEHOOKDATA, 0, (LPARAM)fledgeWindow);

	curDir.ReleaseBuffer();
	param.ReleaseBuffer();

	CloseHandle(fledgeProcess);

	return 0;
}
开发者ID:FredericBouts，项目名称:WebWorks，代码行数:77，代码来源:main.cpp


注：本文中的CString::GetAllocLength方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。