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4/8/2010

The GetOccurrencemethod gets the specific instance of a recurring appointment, occurring on a specific date. Changes to the Appointment apply to that particular occurrence only. If no exception to a recurring pattern exists, a change creates a new exception; otherwise, it modifies an existing exception.

Syntax 

HRESULT GetOccurrence(
   DATE 
date,
   IAppointment ** 
ppolAppt
);

Parameters

date

[in] Reference to the date object that defines the local date and time of the appointment. For information on the DATEtype, see IPOutlookApp::VariantTimeToSystemTime. For information on the SYSTEMTIMEstructure, see SYSTEMTIME.

ppolAppt

[out] Reference to the IAppointmentretrieved by this method.

Return Value

This method returns the standard values E_INVALIDARG, E_OUTOFMEMORY, E_UNEXPECTED, and E_FAIL, as well as the following:

S_OK

The method completed successfully.

Code Example

The following code example changes one instance of a recurring appointment.

Note:
To make the following code example easier to read, security checking and error handling are not included. This code example should not be used in a release configuration unless it has been modified to include them.
Copy Code 
void ChangeRecurrence(IAppointment * pAppt)
{
	IPOutlookApp	 * polApp;
	IRecurrencePattern * pRec;
	IAppointment	 * pAppt2;

	SYSTEMTIME st = {0};
	DATE date;

	// Get the IPOutlookApp object and a Recurrence Pattern object.
	pAppt->get_Application(&polApp);
	pAppt->GetRecurrencePattern(&pRec);

	// Using the Recurrence Pattern object, get a specific instance
of the recurring appointment.
	st.wMonth = 5;
	st.wDay   = 10;
	st.wYear  = 2007;

	polApp->SystemTimeToVariantTime(&st, &date);

	pRec->GetOccurrence(date, &pAppt2);

	// Change the Appointment's Start Time, and generate an
Appointment exception.
	st.wHour = 20.5;
	polApp->SystemTimeToVariantTime(&st, &date);
	pAppt2->put_Start(date);

	// Save the Appointment item.
	pAppt2->Save();

	// Release resources.
	polApp->Release();
	pRec->Release();
	pAppt2->Release();
}

Requirements

Header pimstore.h
Library Pimstore.lib
Windows Embedded CE Windows CE 2.0 and later
Windows Mobile Windows Mobile Version 5.0 and later

See Also