DDX_CBStringExact
The DDX_CBStringExact function manages the transfer of CString data between the edit control of a combo box control in a dialog box, form view, or control view object and a CString data member of the dialog box, form view, or control view object.
void AFXAPI DDX_CBStringExact( CDataExchange* pDX, int nIDC, CString& value );
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.
- value
-
A reference to a member variable of the dialog box, form view, or control view object with which data is exchanged.
When DDX_CBStringExact is called, value is set to the current combo box selection. If no item is selected, value is set to a string of zero length.
 Note |
|---|
| If the combo box is a drop-down list box, the value exchanged is limited to 255 characters. |
For more information about DDX, see Dialog Data Exchange and Validation.
