Denso BHT-400-CE, Reference Manual

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InBufferCount
Acquires the size of meaningful data in the receive buffer (in buffer).
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Syntax
[VB]
Public Property ReadOnly InBufferCount As Integer
[C#]
public int InBufferCount { get }
￭
Property
Size of meaningful data in the receive buffer (in buffer) (bytes)
￭
Exceptions
Name of Exception Meaning
ObjectDisposedException The COM port has not been opened yet.
￭
Note
Each time a piece of data is read from the receive buffer using the Input method, the size of
meaningful data in the receive buffer decreases by the amount of the data just read out.
If the port is closed by specifying "false" for the PortOpen property, the size of meaningful
data is reset to “0”.
[Ex.] Read out all data remaining in the receive buffer.
[VB]
While MyComm.InBufferCount > 0
len = MyComm.Input(buffer, 0, buffer.Length)
End While
[C#]
while (MyComm.InBufferCount > 0)
{
len = MyComm.Input(buffer, 0, buffer.Length);
}