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DDX_CBIndex

The DDX_CBIndex function manages the transfer of int data between a combo box control in a dialog box, form view, or control view object and a int data member of the dialog box, form view, or control view object.

void AFXAPI DDX_CBIndex(
   CDataExchange* pDX,
   int nIDC,
   int& index 
);

Parameters

pDX
A pointer to a CDataExchange object. The framework supplies this object to establish the context of the data exchange, including its direction.
nIDC
The resource ID of the combo box control associated with the control property.
index
A reference to a member variable of the dialog box, form view, or control view object with which data is exchanged.

Remarks

When DDX_CBIndex is called, index is set to the index of the current combo box selection. If no item is selected, index is set to 0.

For more information about DDX, see Dialog Data Exchange and Validation.

See Also

MFC Macros and Globals | DDP_CBIndex

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