void AFXAPI DDX_BCGPDuration	(	CDataExchange *	pDX,
		int	nIDC,
		COleDateTimeSpan &	value
	)

Initializes or retrieves the current value of a date/time duration control.

The DDX_BCGPDuration function manages the transfer of date data between a date/time duration control (CBCGPDurationCtrl) in a dialog box, form view, or control view and a COleDateTimeSpan data member of the dialog box, form view, or control view object.

Parameters

pDX	A pointer to a CDataExchange object.
nIDC	The resource ID of the date/time duration control associated with the member variable.
value	A reference to a COleDateTimeSpan member variable of the dialog box, form view, or control view object with which data is exchanged.