RThreshold

Sets or Retrieves the number of bytes which must arrive in the receive buffer before an OnComm event is raised.

Available at design time and runtime.

MSComm32 and Comm32 have identical behavior

Syntax object.RThreshold = value         object Name of the communications control.   value A numeric expression indicating the RThreshold number of bytes         Examples object.RThreshold = 0 '// OnComm events will not be raised '// when data is received             object.RThreshold = 1 '// an OnComm event will be raised when '// 1 or more characters are received in the '// receive buffer             Text1.Text = object.RThreshold '// Retrieves the current value

Remarks:

If this value is set to a value larger than zero then the control will raise an OnComm (evReceive) event when that number of bytes, or more, are in the receive buffer.

Important: If removing MSComm32 from an existing project and replacing it with Comm32 remember that MSComm32 limited this property to a 32k “Short” Integer value. If using larger values you will of course remember to use variables of a larger data type to receive/process return values etc.