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