Chapter 3
© National Instruments Corporation 3-21 Measurement Studio User Manual
Axis Operations
•Use the CNiAxis class to interface to a single axis of a graph control.
This feature allows you to modify the appearance and behavior of the
axis.
• Automatically label axes with log or inverted numeric scales.
• Configure the axis modes for manual scaling or autoscaling.
Additional Operations
• Configure cursor snap modes to be fixed, floating, nearest point, and
to plot.
• Pan and zoom interactively.
• Configure the graph for fixed, strip, or scope charting.
• Customize the graph 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 graph control, refer to the Using the
Measurement Studio Graph Visual C++ 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
providest he Visual C++ interface to the ActiveX knob control.
Figure 3-4. ActiveX Knob Control with Knob, Dial, and Meter Styles