National Instruments 374318A-01 用户手册

7.

Select the Meter control and drag and drop it onto the form.

8.

Right-click the meter and select Properties to display the Properties 
window.

9.

Set the 

CoercionIntervalBase

 property for the meter to 

–10

.

10. Set the Range property for the meter with the drop-down Range type 

editor. Type 

–10

 for the minimum value. Leave the default of 

10

 for 

the maximum value.

The following screenshot shows 

Form1

 with the user controls.

1.

Double-click on Form1 to display the 

Form1

 code.

2.

Add the following code to declare a new Measurement Computing 
board object.

[VB.NET]

' Declare a new Measurement Computing board object that uses board 0

Public DaqBoard As MccDaq.MccBoard = New MccDaq.MccBoard(0)

[C#]

private System.Windows.Forms.Button button1;

   private MccDaq.MccBoard daqBoard;

   private NationalInstruments.UI.WindowsForms.Meter meter1;

   /// <summary>

   /// Required designer variable.

   /// </summary>