从另一个类文件中访问C＃表单文本框 [英] Accesing C# Form textbox from another class file

问题描述

我搜索了很多次的解决方案，但每个代码我试过，是一个史诗失败...

这里是我的代码，我只是想要访问Form1元素，从另一个类文件（例如chartcopier.cs），因为我说我已经尝试了这么多的事情，让这个工作...但我不能改变textbox1文本从chartscopier.cs

感谢您的建议

Form1.cs

< blockquote>

 命名空间TEST 
 {
 public partial class Form1：Form 
 {
 public Form1 （）
 {
 InitializeComponent（）; 
 var CopyCharts = new System.Threading.Timer（chartscopier.CopyGraph，null，0，60000）; 
} 
} 
} 
  

chartscopier.cs

 命名空间TEST 
 {
 class chartscopier 
 {
 // var Timer = new Timer（CopyGraph，null，0，60000）; 
 public static void CopyGraph（object data）
 {
秒表strTimer = new Stopwatch（）; 
 WebClient WC = new WebClient（）; 
 IConfigSource BaseConfig = new IniConfigSource（@D：\NEWROBOT\CONFIG.ini）; 
 string LogDir = BasicConfig.Configs [GENERAL]。Get（Log Dir）; 
 string ImgDir = BaseConfig.Configs [GENERAL]。Get（IMG Dir）; 
 string [] Clients = BaseConfig.Configs [CLIENTS]。GetKeys（）; 
 foreach（string Client in Clients）
 {
 strTimer.Start（）; 
 //Console.WriteLine(Client）; 
 IConfigSource ClientConfig = new IniConfigSource（@D：\NEWROBOT\+ Client +.ini）; 
 string [] Services = ClientConfig.Configs [SERVICES]。GetKeys（）; 
 foreach（string Service in Services）
 {
 string url = BaseConfig.Configs [CLIENTS]。Get（Client）; 
 string param = ClientConfig.Configs [SERVICES]。Get（Service）; 
 string html = WC.DownloadString（url + param）; 
 
 // Cargar doc en HPACK 
 HtmlDocument doc = new HtmlDocument（）; 
 doc.LoadHtml（html）; 
 
 // LINQ para generar imagenes 
 var img = doc.DocumentNode.SelectSingleNode（// img [1]）; 
 var src = img.Attributes [src]。Value; 
 string uIMG = url + src; 
 WC.DownloadFile（uIMG，@ImgDir + Client +\\+ Service +.png）; 
} 
 strTimer.Stop（）; 
 TimeSpan ts = strTimer.Elapsed; 
 string elapsedTime = String.Format（{0:00}：{1:00}：{2:00}。{3:00}，ts.Hours，ts.Minutes，ts.Seconds，ts .Milliseconds / 10）; 
 strTimer.Reset（）; 
 //想要写这里Form1.TextBox1.text =RunTime+ elapsedTime; 
} 
} 
} 
} 
  

解决方案

我认为，一个更好的方法是通过事件处理。

创建一个类来表示要传递的数据。 p>

  public class ChartCopyProgressEventArgs：EventArgs 
 {
 public TimeSpan ElapsedTime {get;组; } 
 //您可以在此处添加更多prop.s 
} 
  

chartscopier创建一个事件来报告进度。

  class chartscopier 
 {
 public static event EventHandler< ChartCopyProgressEventArgs>更改; 
 public static void CopyGraph（object data）
 {
 ... 
 if（Changed！= null）
 {
 var args = new ChartCopyProgressEventArgs ）; 
 args.ElapsedTime = elapsedTime; 
 Changed（null，args）; 
} 
} 
} 
  

然后在Form1中，

  public Form1（）
 {
 InitializeComponent（）; 
 chartscopier.Changed + = UpdateStatus; 
 ... 
} 
 
 private void UpdateStatus（object sender，ChartCopyProgressEventArgs e）
 {
 var ts = e.ElapsedTime; 
 var elapsedTime = String.Format（{0:00}：{1:00}：{2:00}。{3:00}，ts.Hours，ts.Minutes，ts.Seconds，ts .Milliseconds / 10）; 
 var str =RunTime+ elapsedTime; 
 
 if（TextBox1.InvokeRequired）{
 TextBox1.Invoke（（）=> {TextBox1.text = str;}）; 
} else {
 TextBox1.text = str; 
} 
} 
  

I've search many times solutions to this but every code I've tried, was an epic fail...

So here is my code, I just want to access Form1 elements, from another class file (chartcopier.cs for example), as I said I've tried so many things to get this working... But I can't change textbox1 text from chartscopier.cs

Thanks in advice

Form1.cs

namespace TEST
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
            var CopyCharts = new System.Threading.Timer(chartscopier.CopyGraph, null, 0, 60000);
        }
    }
}

chartscopier.cs

namespace TEST
{
    class chartscopier
    {
        //var Timer = new Timer(CopyGraph, null, 0, 60000);
        public static void CopyGraph(object data)
        {
            Stopwatch strTimer = new Stopwatch();
            WebClient WC = new WebClient();
            IConfigSource BaseConfig = new IniConfigSource(@"D:\NEWROBOT\CONFIG.ini");
            string LogDir = BaseConfig.Configs["GENERAL"].Get("Log Dir");
            string ImgDir = BaseConfig.Configs["GENERAL"].Get("IMG Dir");
            string[] Clients = BaseConfig.Configs["CLIENTS"].GetKeys();
            foreach (string Client in Clients)
            {
                strTimer.Start();
                //Console.WriteLine(Client);
                IConfigSource ClientConfig = new IniConfigSource(@"D:\NEWROBOT\" + Client + ".ini");
                string[] Services = ClientConfig.Configs["SERVICES"].GetKeys();
                foreach (string Service in Services)
                {
                    string url = BaseConfig.Configs["CLIENTS"].Get(Client);
                    string param = ClientConfig.Configs["SERVICES"].Get(Service);
                    string html = WC.DownloadString(url + param);

                    // Cargar doc en HPACK
                    HtmlDocument doc = new HtmlDocument();
                    doc.LoadHtml(html);

                    // LINQ para generar imagenes
                    var img = doc.DocumentNode.SelectSingleNode("//img[1]");
                    var src = img.Attributes["src"].Value;
                    string uIMG = url + src;
                    WC.DownloadFile(uIMG, @ImgDir + Client + "\\" + Service + ".png");
                }
                strTimer.Stop();
                TimeSpan ts = strTimer.Elapsed;
                string elapsedTime = String.Format("{0:00}:{1:00}:{2:00}.{3:00}", ts.Hours, ts.Minutes, ts.Seconds, ts.Milliseconds / 10);
                strTimer.Reset();
                // WANT TO WRITE HERE Form1.TextBox1.text = "RunTime " + elapsedTime;
            }
        }
    }
}

解决方案

I think, a better way is to handle through events.

Create a class to represent data that you want to pass.

public class ChartCopyProgressEventArgs : EventArgs
{
  public TimeSpan ElapsedTime { get; set; }
  //you can add more prop.s here
}

In "chartscopier" create an event to report progress.

class chartscopier
{
 public static event EventHandler<ChartCopyProgressEventArgs> Changed;
 public static void CopyGraph(object data)
 {
 ...
 if (Changed != null)
 {
   var args = new ChartCopyProgressEventArgs();
   args.ElapsedTime = elapsedTime;
   Changed(null, args);
 }
 }
}

Then in Form1, create a handler for that event.

public Form1()
{
 InitializeComponent();
 chartscopier.Changed += UpdateStatus;
 ...
}

private void UpdateStatus(object sender, ChartCopyProgressEventArgs e)
{ 
    var ts = e.ElapsedTime;
    var elapsedTime = String.Format("{0:00}:{1:00}:{2:00}.{3:00}", ts.Hours, ts.Minutes, ts.Seconds, ts.Milliseconds / 10);
    var str = "RunTime " + elapsedTime;

    if (TextBox1.InvokeRequired) {
        TextBox1.Invoke(() => {TextBox1.text = str;});
    } else {
         TextBox1.text = str;
    }
}

这篇关于从另一个类文件中访问C＃表单文本框的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！