error C2040: “str”:“std::string [11]”与“std::string”的间接寻址级别不同

#include "stdafx.h"


    string str[11]={"做一个大家都满意的鬼脸 ",
                "模仿脑白金广告，边唱边跳",
                "原地转30圈后唱校歌",
            "跪地作向一个人求婚状：如果我不向你求婚，我会后悔一辈子，因为你是我的惟一。",
            "与一个人正面对着十指 交扣，深情对视，深情朗诵骆宾王的《鹅》 ",
            "摆芙蓉姐姐的S形",
            "邀请一位同伴和自己一起一边做动作一边唱“我爱洗澡皮肤好好”",
            " 背起右边第一 个人",
            "穿的外套表演 张倾城之“我脱、我穿、我再脱、我再穿”",
            "男生做20个俯卧撑，女生做20个仰卧起坐",
            "抱着垃圾桶拍照",
            };
            

int    i =0;
            

// stdafx.h : 标准系统包含文件的包含文件，
// 或是经常使用但不常更改的
// 特定于项目的包含文件
#pragma once

// TODO: 在此处引用程序需要的其他头文件
#include<iostream>


#include <string>

using namespace std;

extern string str;

extern int    i;

#pragma once
#include <stdio.h>

namespace 大冒险 {

    using namespace System;
    using namespace System::ComponentModel;
    using namespace System::Collections;
    using namespace System::Windows::Forms;
    using namespace System::Data;
    using namespace System::Drawing;
   

    /// <summary>
    /// Form1 摘要
    /// </summary>
    public ref class Form1 : public System::Windows::Forms::Form
    {
    public:
        Form1(void)
        {
            InitializeComponent();

           
      
            //
            //TODO: 在此处添加构造函数代码
            //
        }

    protected:
        /// <summary>
        /// 清理所有正在使用的资源。
        /// </summary>
        ~Form1()
        {

            if (components)
            {
                delete components;
            }
        }
    private: System::Windows::Forms::TextBox^  textBox1;
    private: System::Windows::Forms::Button^  button1;
    private: System::Windows::Forms::Timer^  timer1;
    private: System::ComponentModel::IContainer^  components;
    protected:

    private:
   
        /// <summary>
        /// 必需的设计器变量。
        /// </summary>


#pragma region Windows Form Designer generated code
        /// <summary>
        /// 设计器支持所需的方法 - 不要
        /// 使用代码编辑器修改此方法的内容。
        /// </summary>
      
        void InitializeComponent(void)
        {



            this->components = (gcnew System::ComponentModel::Container());
            this->textBox1 = (gcnew System::Windows::Forms::TextBox());
            this->button1 = (gcnew System::Windows::Forms::Button());
            this->timer1 = (gcnew System::Windows::Forms::Timer(this->components));
            this->SuspendLayout();
            //
            // textBox1
            //
            this->textBox1->Anchor = static_cast<System::Windows::Forms::AnchorStyles>((((System::Windows::Forms::AnchorStyles::Top | System::Windows::Forms::AnchorStyles::Bottom)
                | System::Windows::Forms::AnchorStyles::Left)
                | System::Windows::Forms::AnchorStyles::Right));
            this->textBox1->Font = (gcnew System::Drawing::Font(L"宋体", 50));
            this->textBox1->Location = System::Drawing::Point(46, 12);
            this->textBox1->Multiline = true;
            this->textBox1->Name = L"textBox1";
            this->textBox1->Size = System::Drawing::Size(265, 118);
            this->textBox1->TabIndex = 0;
            this->textBox1->Text = L"大冒险开始";
            //
            // button1
            //
            this->button1->Font = (gcnew System::Drawing::Font(L"宋体", 15));
            this->button1->Location = System::Drawing::Point(145, 187);
            this->button1->Name = L"button1";
            this->button1->Size = System::Drawing::Size(110, 40);
            this->button1->TabIndex = 1;
            this->button1->Text = L"开始";
            this->button1->UseVisualStyleBackColor = true;
            this->button1->Click += gcnew System::EventHandler(this, &Form1::button1_Click);
            //
            // timer1
            //
            this->timer1->Tick += gcnew System::EventHandler(this, &Form1::timer1_Tick);
            //
            // Form1
            //
            this->AutoScaleDimensions = System::Drawing::SizeF(6, 12);
            this->AutoScaleMode = System::Windows::Forms::AutoScaleMode::Font;
            this->ClientSize = System::Drawing::Size(385, 262);
            this->Controls->Add(this->button1);
            this->Controls->Add(this->textBox1);
            this->Name = L"Form1";
            this->Text = L"Form1";
            this->ResumeLayout(false);
            this->PerformLayout();

        }
#pragma endregion
    private: System::Void button1_Click(System::Object^  sender, System::EventArgs^  e) {
                timer1->Enabled = true;
                textBox1->Text=str[i];

             }
    private: System::Void timer1_Tick(System::Object^  sender, System::EventArgs^  e) {
                 if(i<=10){
                     i++;
                 }else {
                    i=0;
                 }
             }
    };
}