Call DDV_MinMaxByte to verify that the value in the control associated with value falls between minVal and maxVal.
void AFXAPI DDV_MinMaxByte( CDataExchange* pDX, BYTE value, BYTE minVal, BYTE maxVal );
A pointer to a CDataExchange object. The framework supplies this object to establish the context of the data exchange, including its direction.
A reference to a member variable of the dialog box, form view, or control view object with which data is validated.
Minimum value (of type BYTE) allowed.
Maximum value (of type BYTE) allowed.
For more information about DDV, see Dialog Data Exchange and Validation.