c# - 如何在 button_click 方法中使用文本框数组？

Question

我在 EnterColsAndRows 类中创建了一组行和列的文本框。我需要在 button_click 方法中使用它来为每一行和每一列创建一个 int 变量数组。

public partial class EnterColsAndRows : Form
    {
        public  int width_of_nonogram;
        public  int height_of_nonogram;
        public EnterColsAndRows(int width, int height)
        {
            InitializeComponent();
            width_of_nonogram = width;
            height_of_nonogram = height;
            TextBox[] textBox1 = new TextBox[width_of_nonogram];
           TextBox[] textBox2 = new TextBox[height_of_nonogram];
            for (int i = 0; i < width_of_nonogram; i++)
            {
                textBox1[i] = new TextBox();
                textBox1[i].Text = "Col " + (i + 1);
                Point p = new Point(20, 30 * i);
                textBox1[i].Location = p;
                this.Controls.Add(textBox1[i]);
            }

            for (int i = 0; i < height_of_nonogram; i++)
            {
                textBox2[i] = new TextBox();
                textBox2[i].Text = "Row " + (i + 1);
                Point p = new Point(200, 30 * i);
                textBox2[i].Location = p;
                this.Controls.Add(textBox2[i]);

            }

        }

        private void button1_Click(object sender, EventArgs e)
        {

        }

标签： c#arrayswinformstextbox

Answer 1

您需要阅读有关类字段和属性的信息

private TextBox[] textBox1;
private TextBox[] textBox2;;

...
public EnterColsAndRows(int width, int height)
{

    ...

    textBox1 = new TextBox[width_of_nonogram];
    textBox2 = new TextBox[height_of_nonogram];

    ...

}

private void button1_Click(object sender, EventArgs e)
{
    if(textBox1 != null && textBox1.Length > 0)
    {
        textBox1[0].Text = "Awesome, i am"
    }
}

进一步阅读

类（C# 编程指南）

字段（C# 编程指南）