WINFORM通过自建控件并从网上下载图片填充到控件的方法

#region create textbox

TextBox selfTb=new TextBox();

selfTb.Name = "imgList";

selfTb.Location = new Point(10,260);

selfTb.Size = new Size(300,150);

selfTb.Multiline = true;

this.Controls.Add(selfTb);

using (WebClient client = new WebClient())

{

    byte[] imageBytes = client.DownloadData("http://www.hdhcms.com/upfiles/images/20230531/202305312138347358.png");

    selfTb.Text = imageBytes.Length.ToString();

    using (MemoryStream ms = new MemoryStream(imageBytes))

    {

        Image image = Image.FromStream(ms);

        // 将 image 显示到控件（如 PictureBox）

        PictureBox picBox = new PictureBox();

        picBox.Location = new Point(320, 260);

        picBox.Size = new Size(300,150);

        this.Controls.Add(picBox);

        picBox.Image = image;

    }

}

#endregion

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