Call DDV_MinMaxFloat to verify that the value in the control associated with value falls between minVal and maxVal.
void AFXAPI DDV_MinMaxFloat( CDataExchange* pDX, float value, float minVal, float 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 float) allowed.
Maximum value (of type float) allowed.
For more information about DDV, see Dialog Data Exchange and Validation.