. NET Program page, operation and input cmd command small example _c# tutorial

Winformsapp_operateandinputcmd:

Create a new Form1, drag into the TextBox, set to allow multiple rows, dock to fill, and then bind the KeyUp event

The execution code is as follows:

Copy Code code as follows:

private void Txtcmdinput_keyup (object sender, KeyEventArgs e)

{

if (E.keycode = = Keys.enter)

{

int count = TxtCmdInput.Lines.Length;

if (count = 0) return;

while (Count > 0 && (String. IsNullOrEmpty (Txtcmdinput.lines[count-1]))

{

count--;

}

if (Count > 0)//&&!string. IsNullOrEmpty (Txtcmdinput.lines[count-1])

Executecmd (Txtcmdinput.lines[count-1]);

}

}

public void Executecmd (string cmd)

{

System.Diagnostics.Process p = new System.Diagnostics.Process ();

p.StartInfo.FileName = "cmd.exe";

P.startinfo.useshellexecute = false;

P.startinfo.redirectstandardinput = true;

P.startinfo.redirectstandardoutput = true;

P.startinfo.redirectstandarderror = true;

P.startinfo.createnowindow = true;

P.start (); Set automatic refresh buffering and update

P.standardinput.autoflush = true; Write command

P.standardinput.writeline (CMD);

P.standardinput.writeline ("Exit"); Waiting for the end

Txtcmdinput.appendtext (P.standardoutput.readtoend ());

p.WaitForExit ();

P.close ();

}

Execute the effect chart: