TwclComDatabase.ReleasePort(Cardinal) Method

Releases a COM port number in the COM port database.

Namespace: wclSerialDevices
Delphi
public
 function ReleasePort(const Port: Cardinal): Integer;

Parameters

Port
Type: Cardinal

Specifies the COM port number to release. This must be a port number returned by the ClaimPort method.

Return Value

Type: Integer

If the function succeed the return value is wclErrors.WCL_E_SUCCESS. Otherwise the method returns one of the WCL error codes.

Please note that this method does not destroy any serial device. This just release the serial (COM) device number so any other application and/or driver can now use this number.