IsOpened Property
Retrieves whether serial port is open.
Access
Read only
Syntax
| Visual Basic .NET |
IsOpened As Boolean |
|---|---|
| Visual C# |
Boolean IsOpened; |
Return value
TRUE, if port is open, FALSE otherwise.
Serial Port Control API
- Overview
ActiveX component reference
- Getting started
FTSPCControl Class
Methods
- Close Method
- Open Method
- SetSettingsFromString Method
- EnumSerialPorts Method
- GetSerialPort Method
- GetSerialPortDescription Method
- Read Method
- ReadArray Method
- ReadArrayOverlapped Method
- ReadOverlapped Method
- Write Method
- WriteArray Method
- WriteArrayOverlapped Method
- WriteOverlapped Method
- CancelIO Method
- Flush Method
- GetLastError Method
- PurgeQueue Method
- SetBreak Method
Properties
- BaudRate Property
- DataBits Property
- FlowControl Property
- Parity Property
- PortName Property
- StopBits Property
- Cts Property
- Dcd Property
- Dsr Property
- Dtr Property
- Ring Property
- Rts Property
- ReadIntervalTimeout Property
- ReadTotalTimeoutConstant Property
- ReadTotalTimeoutMultiplier Property
- WriteTotalTimeoutConstant Property
- WriteTotalTimeoutMultiplier Property
- EofChar Property
- ErrorChar Property
- EventChar Property
- XoffChar Property
- XonChar Property
- AutoOpen Property
- DiscardNull Property
- InQUsedBytes Property
- IsOpened Property
- RxThreshold Property
FTSPCOverlapped Class
Methods
.NET component reference
- Getting started
FTSPCControl Class
Methods
- Close Method
- Open Method
- SetSettingsFromString Method
- EnumSerialPorts Method
- GetSerialPort Method
- GetSerialPortDescription Method
- Read Method
- ReadArray Method
- ReadArrayOverlapped Method
- ReadOverlapped Method
- Write Method
- WriteArray Method
- WriteArrayOverlapped Method
- WriteOverlapped Method
- CancelIO Method
- Flush Method
- PurgeQueue Method
- SetBreak Method
Properties
- BaudRate Property
- DataBits Property
- FlowControl Property
- Parity Property
- PortName Property
- StopBits Property
- Cts Property
- Dcd Property
- Dsr Property
- Dtr Property
- Ring Property
- Rts Property
- ReadIntervalTimeout Property
- ReadTotalTimeoutConstant Property
- ReadTotalTimeoutMultiplier Property
- WriteTotalTimeoutConstant Property
- WriteTotalTimeoutMultiplier Property
- EofChar Property
- ErrorChar Property
- EventChar Property
- XoffChar Property
- XonChar Property
- AutoOpen Property
- DiscardNull Property
- InQUsedBytes Property
- IsOpened Property
- RxThreshold Property
FTSPCOverlapped Class
Methods
FTSPCException Class
Properties
Borland component reference
- Getting started
FTSPCControl Class
Methods
- Close Method
- Open Method
- SetSettingsFromString Method
- EnumSerialPorts Method
- GetSerialPort Method
- GetSerialPortDescription Method
- Read Method
- ReadArray Method
- ReadArrayOverlapped Method
- ReadOverlapped Method
- Write Method
- WriteArray Method
- WriteArrayOverlapped Method
- WriteOverlapped Method
- CancelIO Method
- Flush Method
- PurgeQueue Method
- SetBreak Method
Properties
- BaudRate Property
- DataBits Property
- FlowControl Property
- Parity Property
- PortName Property
- StopBits Property
- Cts Property
- Dcd Property
- Dsr Property
- Dtr Property
- Ring Property
- Rts Property
- ReadIntervalTimeout Property
- ReadTotalTimeoutConstant Property
- ReadTotalTimeoutMultiplier Property
- WriteTotalTimeoutConstant Property
- WriteTotalTimeoutMultiplier Property
- EofChar Property
- ErrorChar Property
- EventChar Property
- XoffChar Property
- XonChar Property
- AutoOpen Property
- DiscardNull Property
- InQUsedBytes Property
- IsOpened Property
- RxThreshold Property
FTSPCOverlapped Class
Methods
FTSPCException Class
Properties