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SerialPort.IsOpen Property

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Definition

Namespace:
System.IO.Ports
Assembly:
System.IO.Ports.dll
Assembly:
System.dll
Package:
System.IO.Ports v8.0.0
Package:
System.IO.Ports v9.0.0-rc.2.24473.5
Source:
SerialPort.cs
Source:
SerialPort.cs
Source:
SerialPort.cs
Source:
SerialPort.cs

Gets a value indicating the open or closed status of the SerialPort object.

public:
 property bool IsOpen { bool get(); };
public bool IsOpen { get; }
[System.ComponentModel.Browsable(false)]
public bool IsOpen { get; }
member this.IsOpen : bool
[<System.ComponentModel.Browsable(false)>]
member this.IsOpen : bool
Public ReadOnly Property IsOpen As Boolean

Property Value

Boolean

true if the serial port is open; otherwise, false. The default is false.

Attributes
BrowsableAttribute

Remarks

The IsOpen property tracks whether the port is open for use by the caller, not whether the port is open by any application on the machine.

Applies to