Denso BHT-400-CE, Reference Manual

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OnDone
Occurs when a COM event has occurred.
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Syntax
[VB]
Public Event OnDone As EventHandler
[C#]
public event EventHandler OnDone
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Event data
The Event Handler has received EventArgs type parameters.
The second parameter EventArgs e is always System.EventArgs.Empty.
To identify the type of the event that has occurred, retrieve SignaledEvent.
[Ex.] Read out the data when a receive event occurs.
[VB]
Private Sub MyComm_OnDone(ByVal sender As Object, ByVal e As System.EventArgs)
Handles MyComm.OnDone
MyComm.Input(ReadBuf, 0, ReadBuf.Length)
End Sub
[C#]
private void MyComm_OnDone(object sender, EventArgs e)
{
MyComm.Input(ReadBuf, 0, ReadBuf.Length);
}