错误：使用了未赋值的局部变量“paths”

Question

        private void button4_Click(object sender, EventArgs e)
        {
            richTextBox1.Text = "";            int N=0;
            string[] paths;
                    
            OpenFileDialog openFileDialog1 = new OpenFileDialog();//声明并创建文件打开对象
            openFileDialog1.Multiselect = true;
            openFileDialog1.FileName = "";
            openFileDialog1.Filter = "txt files|*.txt";
            openFileDialog1.Title = "选择文件";            if (openFileDialog1.ShowDialog() == DialogResult.OK)
            {                paths = openFileDialog1.FileNames; //这里已经赋值了
                N=paths.Length;
                
               
            }            
           
            OpenFile[] File1 = new OpenFile[N];            for (int i = 0; i < N; i++)
            {                File1[i] = new OpenFile();  //对象实例化
            }            for (int i = 0; i < N; i++)
            {
                File1[i].sFilePath = paths[i]; //这里提示错误：使用了未赋值的局部变量“paths” 
                File1[i].Open();
                richTextBox1.Text = richTextBox1.Text + File1[i].sReturn;
            }        }

Answer 1

if (openFileDialog1.ShowDialog() == DialogResult.OK)如果不点ok呢 不就没赋值了

Answer 2

楼上说的对，应该加个else处理下

Answer 3

加个else
paths=new string[0];