National Instruments Measurement Studio Home Theater System User Manual


 
Chapter 3 Measurement Studio Visual C++ Class Libraries
Measurement Studio User Manual 3-12 ni.com
Bind properties to a DataSocket source or target. You use binding to
read property values from a source and write property values to a
target.
Tip For more information about easily using the graph control, refer to the Using the
Measurement Studio Visual C++ Graph Control section in the NI Measurement
Studio Help.
Knob Control
Use the Measurement Studio ActiveX knob control, as shown in
Figure 3-4, to display numerical information. The
CNiKnob class provides
the Visual C++ interface to the ActiveX knob control.
Figure 3-4. ActiveX Knob Control
With the knob control and the classes that interface with the control, you
can perform the following operations:
Use different display styles—dials, gauges, and meters.
Use multiple control pointers, each representing one scalar value.
A control pointer indicates the current value of the knob.
•Use the
CNiAxis class to interface to a single axis of a knob control.
This feature allows you to modify the appearance and behavior of
the axis.
Automatically label axes with log or inverted numeric scales and
continuous or discrete values.
Customize the knob by using ticks, labels, and value pairs.
Bind properties to a DataSocket source or target. You use binding to
read property values from a source and write property values to a
target.
Tip For more information about easily using the knob control, refer to the Using the
Measurement Studio Visual C++ Knob Control section in the NI Measurement
Studio Help.