AddOval Method
From NI Vision for Visual Basic
AddOval Method
Syntax
CWIMAQRegions.AddOval Oval
Return Type
The region object that was added.
Purpose
Adds an oval region to the regions collection.
Remarks
This method makes a copy of the input oval.
Parameters
Oval As CWIMAQOval
The oval to add.
Example
Private Sub Run_Click()
'Create an oval
Dim Oval As New CWIMAQOval
Oval.Initialize 30, 60, 90, 45
'Add the oval to the viewer's regions collection.
CWIMAQViewer1.Regions.AddOval Oval
If TypeName(Oval) = "Nothing" Then
MsgBox "Number of ovals exceeded!"
Else
MsgBox "You added an oval."
End If
End Sub