C++ (Cpp) ICallback::Release Beispiele

Beispiel #1

Datei: UndoList.cpp Projekt: liuzhumei/MapWinGIS

// UndoList.cpp : Implementation of CUndoList

#include "stdafx.h"
#include "UndoList.h"
#include "ShapeEditor.h"
#include "TableHelper.h"

int CUndoList::g_UniqueId = -1;
const int CUndoList::EMPTY_BATCH_ID = -1; 

//***********************************************************************/
//*			GetShapefile()
//***********************************************************************/
IShapefile* CUndoList::GetShapefile(long layerHandle)
{
	if (!CheckState()) return NULL;
	return _mapCallback->_GetShapefile(layerHandle);
}

//***********************************************************************/
//*			ErrorMessage()
//***********************************************************************/
void CUndoList::ErrorMessage(long ErrorCode)
{
	if (!CheckState()) return;

	_lastErrorCode = ErrorCode;
	USES_CONVERSION;
	ICallback* cb;
	if (_lastErrorCode != tkNO_ERROR) {
		cb = _mapCallback->_GetGlobalCallback();
		if (cb) {
			CallbackHelper::ErrorMsg("UndoList", cb, _key, ErrorMsg(_lastErrorCode));
			cb->Release();
		}
	}
}