SendKeys回车操作类

/************************************************************
  FileName: SendKey.cs
 
  Description: 模拟键盘指令，发送命令字符     
  Version:   
***********************************************************/
using System;
using System.Windows.Automation;
using System.Threading;
using System.Text;
using System.Windows.Forms;

namespace 命名空间
{
    /// <summary>
    /// 操作键盘命令
    /// </summary>
    public class SendKeys
    {
        StringBuilder builder = new StringBuilder();

        public string Alt = "%";
        public string ContextMenu = "+{F10}";
        public string Ctrl = "^";
        public string Shift = "+";
        public string Enter = "{Enter}";
        public string Delete = "{Del}";
        public string Save = "^S";
        public string SaveAll = "^+S";
        public string Copy = "^C";
        public string Cut = "^X";
        public string Paste = "^V";
        public string Undo = "^Z";
        public string Redo = "^Y";
        public string Print = "^P";
        public string Help = "{F1}";
        public string New = "^N";
        public string DOWNARROW = "{DOWN}";
        public string UPARROW = "{UP}";
        public string LEFTARROW = "{LEFT}";
        public string RIGHTARROW = "{RIGHT}";


        public string[] Keys { get; set; }

        public void Sendkeys(AutomationElement element, string[] keys)
        {
            this.Keys = keys;
            try
            {
                //  element.SetFocus();
            }

            catch (Exception exception)
            {
                throw new Exception("Cannot set focus to this element.", exception);
            }

            string myKeys = "";

            foreach (string str2 in this.Keys)
            {
                myKeys = myKeys + str2;
            }

            Thread.Sleep(200);

            if ((this.ContainsUnescapedKey(myKeys, '^') || this.ContainsUnescapedKey(myKeys, '%')) || this.ContainsUnescapedKey(myKeys, '+'))
            {

                myKeys = myKeys.ToLower();

            }

            System.Windows.Forms.SendKeys.SendWait(myKeys);

            Thread.Sleep(0x3e8);

        }



        public void Sendkeys(AutomationElement element, string myKeys)
        {
            if (myKeys == string.Empty || myKeys == "") return;
            this.Keys = new string[1];

            this.Keys[0] = myKeys;

            try
            {
                //element.SetFocus();
            }
            catch (Exception exception)
            {
                throw new Exception("Cannot set focus to this element.", exception);
            }

            Thread.Sleep(200);

            if ((this.ContainsUnescapedKey(myKeys, '^') || this.ContainsUnescapedKey(myKeys, '%')) || this.ContainsUnescapedKey(myKeys, '+'))
            {
                myKeys = myKeys.ToLower();
            }

            System.Windows.Forms.SendKeys.SendWait(myKeys);

            Thread.Sleep(0x3e8);

        }

        /// <summary>
        /// 向活动应用程序发送击键。
        /// </summary>
        /// <param name="keys"></param>
        public void Sendkeys(string keys)
        {
            System.Windows.Forms.SendKeys.SendWait(keys);

            Thread.Sleep(0x3e8);
        }



        private bool ContainsUnescapedKey(string keys, char key)
        {
            for (int i = 0; i < keys.Length; i++)
            {
                if (keys[i] == key)
                {
                    if ((i == 0) || (i == (keys.Length - 1)))
                    {
                        return true;
                    }

                    if ((keys[i - 1] != '{') || (keys[i + 1] != '}'))
                    {
                        return true;
                    }
                }
            }

            return false;

        }



        private string KeysToString(string[] keys)
        {
            if (keys != null)
            {

                for (int i = 0; i < keys.Length; i++)
                {
                    string str = keys[i];
                    if (str == null)
                    {
                        builder.Append(keys[i]);
                    }

                    int length = keys.Length - 1;

                    switch (str)
                    {

                        case "^":
                            builder.Append("Ctrl");
                            IsEquals(i, length, builder);
                            break;

                        case "+{F10}":
                            builder.Append("Open Context Menu");
                            IsEquals(i, length, builder);
                            break;

                        case "%":
                            builder.Append("Alt");
                            IsEquals(i, length, builder);
                            break;

                        case "+":
                            builder.Append("Shift");
                            IsEquals(i, length, builder);
                            break;

                        case "^S":
                            builder.Append("Save");
                            IsEquals(i, length, builder);
                            break;

                        case "^X":
                            builder.Append("Cut");
                            IsEquals(i, length, builder);
                            break;

                        case "^C":
                            builder.Append("Copy");
                            IsEquals(i, length, builder);
                            break;

                        case "^V":
                            builder.Append("Paste");
                            IsEquals(i, length, builder);
                            break;

                        case "^+S":
                            builder.Append("Save All");
                            IsEquals(i, length, builder);
                            break;

                        case "^P":
                            builder.Append("Print");
                            IsEquals(i, length, builder);
                            break;

                        case "^Z":
                            builder.Append("Undo");
                            IsEquals(i, length, builder);
                            break;

                        case "^Y":
                            builder.Append("Redo");
                            IsEquals(i, length, builder);
                            break;

                        case "^N":
                            builder.Append("New");
                            IsEquals(i, length, builder);
                            break;

                        default:
                            builder.Append(keys[i]);
                            IsEquals(i, length, builder);
                            break;

                    }

                }

            }
            return builder.ToString();

        }



        void IsEquals(int i, int length, StringBuilder builder)
        {
            if (i < length)
                builder.Append("+");
        }

        #region Public Method


        public override string ToString()
        {
            return string.Format("Sendkeys to input data or operator with keys = '{0}'", this.KeysToString(Keys));
        }

        #endregion

    }

}