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Chapter 2 Measurement Studio .NET Class Libraries
Measurement Studio User Manual 2-28 ni.com
• Configure the format of value labels to engineering or date/time.
• Display tooltips reflecting the current value of the pointer.
• Interactively change the value of the control by clicking or dragging
and moving the pointer with the mouse.
• Interactively change the range of an axis and invert the axis at run time
by clicking on the axis end labels.
• Programmatically move the pointer to previous or next value.
• Perform hit testing of mouse cursor coordinates.
• Specify the image format of the control as BMP, GIF, JPEG, or PNG.
Use the Measurement Studio knob, gauge, and meter controls, as shown in
Figure 2-4, to input and display numeric data on your user interface.
Figure 2-4. Knob, Gauge, and Meter Windows Forms Controls
With the knob, gauge, and meter controls and the classes that interface with
the controls, you can perform the following operations:
• Specify the start and sweep angle of the arc programmatically or from
the Properties window.
• Use automatic division spacing, custom divisions, and invert the scale.