private int ReadContact(DAContentAccessDefinitions.CA_ITEM_ID UID, ref CADataDefinitions.CA_DATA_CONTACT dataContact)
{
int hOperHandle = 0;
int iRet = DAContentAccess.CABeginOperation(m_hCurrentConnection, 0, ref hOperHandle);
if (iRet != PCCSErrors.CONA_OK)
{
//PCCAPIUtils.ShowErrorMessage("CABeginOperation", iRet);
//syncEngine.CancelSync(PCCAPIUtils.CONAError2String(iRet));
Dispatcher.Invoke(new SyncCancelEventHandler(owner.CancelSync),
this, PCCAPIUtils.CONAError2String(iRet), null);
}
dataContact.iSize = Marshal.SizeOf(dataContact);
dataContact.bPICount = 0;
dataContact.pPIFields = IntPtr.Zero;
dataContact.bAddressCount = 0;
dataContact.pAddressFields = IntPtr.Zero;
dataContact.bNumberCount = 0;
dataContact.pNumberFields = IntPtr.Zero;
dataContact.bGeneralCount = 0;
dataContact.pGeneralFields = IntPtr.Zero;
// Allocate memory for buffers
IntPtr buffer = Marshal.AllocHGlobal(Marshal.SizeOf(UID));
Marshal.StructureToPtr(UID, buffer, true);
UID.iSize = Marshal.SizeOf(typeof(DAContentAccessDefinitions.CA_ITEM_ID));
m_pContactBuffer = Marshal.AllocHGlobal(Marshal.SizeOf(dataContact));
Marshal.StructureToPtr(dataContact, m_pContactBuffer, true);
iRet = DAContentAccess.CAReadItem(hOperHandle, buffer, DAContentAccessDefinitions.CA_OPTION_USE_CACHE, CADataDefinitions.CA_DATA_FORMAT_STRUCT, m_pContactBuffer);
if (iRet == PCCSErrors.CONA_OK)
{
// Copy data from buffer
dataContact = (CADataDefinitions.CA_DATA_CONTACT)Marshal.PtrToStructure(m_pContactBuffer, typeof(CADataDefinitions.CA_DATA_CONTACT));
}
else
{
//PCCAPIUtils.ShowErrorMessage("CAReadItem", iRet);
//syncEngine.CancelSync(PCCAPIUtils.CONAError2String(iRet));
Dispatcher.Invoke(new SyncCancelEventHandler(owner.CancelSync),
this, PCCAPIUtils.CONAError2String(iRet), null);
Marshal.FreeHGlobal(m_pContactBuffer);
m_pContactBuffer = IntPtr.Zero;
}
Marshal.FreeHGlobal(buffer);
int iResult = DAContentAccess.CAEndOperation(hOperHandle);
if (iResult != PCCSErrors.CONA_OK)
{
//PCCAPIUtils.ShowErrorMessage("CAEndOperation", iResult);
//syncEngine.CancelSync(PCCAPIUtils.CONAError2String(iRet));
Dispatcher.Invoke(new SyncCancelEventHandler(owner.CancelSync),
this, PCCAPIUtils.CONAError2String(iRet), null);
}
return iRet;
}
//=========================================================
//=========================================================
// CARegisterOperationCallback
//
// Description:
// Registers and unregisters callback function for operation
// notifications
//
// Parameters:
// hOperHandle [in] Handle to the existing API connection
// dwState [in] Used to define the action:
// API_REGISTER used in registeration
// API_UNREGISTER.used in removing the registeration
// pfnNotify [in] Function pointer of the call back method
//
// Return values:
// PCCSErrors.CONA_OK
// ECONA_INVALID_HANDLE
// ECONA_NOT_INITIALIZED
// ECONA_UNKNOWN_ERROR
//=========================================================
public static extern int CARegisterOperationCallback(
int hOperHandle,
int iState,
DAContentAccessDefinitions.CAOperationCallbackDelegate pfnNotify
);