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//GLockDocument.h

#pragma once
#include “acdocman.h”

class GLockDocument
{
public:
GLockDocument()
{
pDoc=NULL;
if(acDocManager != NULL)
{
try
{
pDoc = acDocManager->curDocument();
if ((pDoc != NULL) && (acDocManager->lockDocument(pDoc) != Acad::eOk))
{
pDoc=NULL;
}
}
catch(…)
{}
}
}

~GLockDocument()
{
if ((acDocManager != NULL) && (pDoc != NULL))
{
try
{
acDocManager->unlockDocument(pDoc);
}
catch(…)
{}
}
}

private:
AcApDocument* pDoc;
};