改变文本和图片的进度条

Question

我正在用C＃制作一个项目。当进度条达到某一点时，我正在尝试更改标签和图片。步骤是10，最大值是5000.到目前为止我有这个

private void button3_Click(object sender, EventArgs e)
{
    timer1.Start();
    pictureBox2.Enabled = true;
    pictureBox2.Visible = true;
    label1.Text = "Scanning";

    this.pictureBox4.Enabled = true;
    this.pictureBox4.Visible = true;
    this.pictureBox3.Enabled = false;
    this.pictureBox3.Visible = false;
    label1.Text = "Threat Detected";

    // ...

我要做的是当它达到500时，图片要改变，标签也要改变。

Answer 1

最简单的方法是使用System.Windows.Forms.Timer组件，并处理Timer.Tick事件：

    private void timer1_Tick(object sender, EventArgs e)
    {
        progressBar1.PerformStep();

        if (progressBar1.Value == 500)
        {
            // do whatever you want
        }
    }