National Instruments 374318A-01 用户手册

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Chapter 2
Measurement Studio Measurement Computing Edition .NET Class Libraries
© National Instruments Corporation
2-29
Axis Operations
Configure a graph to include multiple axes or independent ranges so 
that plot data fits the graph plot area.
Configure the axis modes to fixed, exact autoscaling, loose 
autoscaling, strip chart, or scope chart.
Interactively change the range of an axis and invert the axis at run time 
by clicking on the axis end labels.
Additional Operations
Zoom interactively.
Specify the image format of the control as BMP, GIF, JPEG, or PNG.
Configure major, minor, and custom divisions and origin lines.
Tip
For more information about using the complex graph control, refer to the Using 
the Measurement Studio Web Forms Complex Graph .NET Control section in the 
NI Measurement Studio Help.
Legend Control
Use the Measurement Studio legend control, as shown in Figure 2-12, to 
display symbols and descriptions for a specific set of elements of another 
object, such as the plots or cursors of a graph. When you associate the 
legend control with another object, any changes you make to that object are 
automatically reflected in the legend. For example, if you associate the 
legend control with the plots of a graph, any changes you make in the plots 
collection editor are automatically reflected in the legend.
Tip
For more information about using the legend control, refer to the Using the 
Measurement Studio Web Forms Legend .NET Control section in the NI Measurement 
Studio Help
.
Numeric Controls
Use the Measurement Studio numeric controls to display numerical 
information, in an ASP.NET Web application, with the look of scientific 
instruments. The numeric controls include a knob, gauge, meter, slide, 
thermometer, and tank. The following sections describe operations 
available with the controls and the classes that interface with them.