ICImagingControl.Iris Property

Public Iris As Long

This example initializes a Slider control with the selected video device's minimum, maximum and current iris settings. When the slider is moved, the video device's iris value is updated accordingly:

Private Sub Form_Load()
    Dim Range As Variant
    Range = ICImagingControl1.IrisRange
    Slider1.Min = Range(0)
    Slider1.Max = Range(1)
    Slider1.Value = ICImagingControl1.Iris
End Sub
Private Sub Slider1_Scroll()
    ICImagingControl1.Iris = Slider1.Value
End Sub