SerialPort.DtrEnable Property

Definition

Gets or sets a value that enables the Data Terminal Ready (DTR) signal during serial communication.

public bool DtrEnable { get; set; }
[System.ComponentModel.Browsable(true)]
public bool DtrEnable { get; set; }

Property Value

true to enable Data Terminal Ready (DTR); otherwise, false. The default is false.

Attributes

Exceptions

The port is in an invalid state.

-or-

An attempt to set the state of the underlying port failed. For example, the parameters passed from this SerialPort object were invalid.

Remarks

Data Terminal Ready (DTR) is typically enabled during XON/XOFF software handshaking and Request to Send/Clear to Send (RTS/CTS) hardware handshaking, and modem communications.

Applies to

Produit Versions
.NET 8 (package-provided), 9 (package-provided)
.NET Framework 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7 (package-provided), 4.7, 4.7.1 (package-provided), 4.7.1, 4.7.2 (package-provided), 4.7.2, 4.8 (package-provided), 4.8, 4.8.1
.NET Standard 2.0 (package-provided)