ICImagingControl.InputChannels Property |
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Returns a collection of available input channels for the current video capture device. | ||
Syntax: | Public InputChannels As InputChannels |
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Limitations: | Run time only, read only. Only available when a device is open and valid. |
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Sample: | This example displays all available input channels in a combo box. If no input channels are available, the text "n/a" will be displayed in the combo box. In this case the combo box will be disabled. The combo box for the input channels is named "cboInputChannel" in this example. Private Sub UpdateInputChannels() Dim Name As String Dim ChannelCollection As InputChannels Dim Item As Variant Dim Idx As Long Idx = -1 Set ChannelCollection = ImagingControl.InputChannels cboInputChannel.Clear If ChannelCollection.Count > 0 Then ' If input channels have been found, ' add them to the combo box. For Each Item In ChannelCollection cboInputChannel.AddItem Item.Name Next Name = ImagingControl.InputChannel Idx = ChannelCollection.FindIndex(Name) If Idx <> -1 Then cboInputChannel.ListIndex = Idx - 1 Else cboInputChannel.ListIndex = 0 End If cboInputChannel.Enabled = True Else ' No input channels have been found. cboInputChannel.AddItem "n/a" cboInputChannel.Enabled = False cboInputChannel.ListIndex = 0 End If End Sub A complete example of how to get the video capture device properties can be found in the Making Device Settings chapter. |
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See also: | ICImagingControl, InputChannels, ICImagingControl.InputChannelAvailable, ICImagingControl.InputChannel |