GUISettings.cursorFlashSpeed

설명

The speed of text field cursor flashes.

This is how many flashes / second. If you set it to 0, flashing will be disabled. If you set it to -1, the flashing speed will match the system default of the end user.

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour {
    public string str = "This is a string with \n two lines of text";
    void OnGUI() {
        GUI.skin.settings.cursorFlashSpeed = 3;
        str = GUILayout.TextArea(str);
    }
}