GUI.GetNameOfFocusedControl 获取有焦点被命名控件的名字

# [GUI](GUI.html "Go to GUI scripting documentation").*GetNameOfFocusedControl* 获取有焦点被命名控件的名字

static function *GetNameOfFocusedControl* () : [String](../String/String.html)

*Description* 描述

Get the name of named control that has focus.
获取有焦点被命名控件的名字

Control names are set up by using [SetNextControlName](GUI.SetNextControlName.html). When a named control
has focus, this function will return its name. If no control has focus or the
focused control has no name set returns empty string.

控件名字由 [SetNextControlName](GUI.SetNextControlName.html) 设置，当被命名控件有焦点，这个函数将返回他的名字，如果没有控件获得焦点或有焦点控件没有名字将返回空字符串。

GetNameOfFocusedControl works well when you make a login box.

GetNameOfFocusedControl 可以用于创建注册框方面。

* [C#](#)
* [JavaScript](#)

```
using UnityEngine;
using System.Collections;

public class example : MonoBehaviour {
	public string login = "username";
	public string login2 = "no action here";
	void OnGUI() {
		GUI.SetNextControlName("user");
		login = GUI.TextField(new Rect(10, 10, 130, 20), login);
		login2 = GUI.TextField(new Rect(10, 40, 130, 20), login2);
		if (Event.current.Equals(Event.KeyboardEvent("return")) && GUI.GetNameOfFocusedControl() == "user")
			Debug.Log("Login");

if (GUI.Button(new Rect(150, 10, 50, 20), "Login"))
			Debug.Log("Login");

}
}
```

```
var login : String = "username";
var login2 : String = "no action here";

function OnGUI () {
	GUI.SetNextControlName ("user");
	login = GUI.TextField (Rect (10,10,130,20), login);

login2 = GUI.TextField (Rect (10,40,130,20), login2);
	if (Event.current.Equals (Event.KeyboardEvent ("return")) &&
		GUI.GetNameOfFocusedControl () == "user") {
		Debug.Log("Login");
	}

if (GUI.Button(new Rect (150,10,50,20), "Login"))
		Debug.Log("Login");
}
```

参考： [SetNextControlName](GUI.SetNextControlName.html), [FocusControl](GUI.FocusControl.html).