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using System;
using System.Collections.Generic;
using System.Text;
using System.Windows.Forms;
namespace myshow
{
public class Class1
{
public Class1()
{
}
public void show(TextBox tb1, string _num)
{
//tb1.Text = _num;
AppendNumber(tb1, _num);
}
delegate void AppendNumberCallback(object sender, string text);
private void AppendNumber(object sender, string text)
{
TextBox tb = sender as TextBox;
if (tb == null) return;
if (tb.InvokeRequired)
{
AppendNumberCallback anc = new AppendNumberCallback(AppendNumber);
tb.Invoke(anc, new object[] {sender, text });
}
else
{
tb.Text = text;
}
}
}
}