1.

this.listBox1.BeginInvoke(new Action(() =>

{

if (listBox1.Items.Count > 20)

listBox1.Items.Clear();

listBox1.Items.Add(DateTime.Now + " ," + i+", "+ dtsource.Rows[i]["ID"] + " ,执行完成！");

listBox1.SelectedIndex = listBox1.Items.Count - 1;

}));

2.

delegate void AddItemCallback(string text);

private void AddItem(string text)

{

if (this.listBox1.InvokeRequired)

{

AddItemCallback d = new AddItemCallback(AddItem);

this.listBox1.Invoke(d, new object[] { text });

}

else

{

if (this.listBox1.Items.Count > 100)

listBox1.Items.Clear();

this.listBox1.Items.Add(text);

listBox1.SelectedIndex = listBox1.Items.Count - 1;

}

}

3.

listBox1.BeginInvoke(new del(Monitorlist), new object[] { DateTime.Now + ",采集" + Dmodels.SHOPNAME + "," + Dmodels.AREAS_BIG + "," + Dmodels.AREAS_SMALL + " ，完成!" });

public void Monitorlist(string text)

{

if(this.listBox1.Items.Count>60)

{

this.listBox1.Items.Clear();

}

this.listBox1.Items.Add(text);

this.listBox1.SelectedIndex = listBox1.Items.Count - 1;

}

 

4.

public delegate void del2();

 this.label2.BeginInvoke(new del2(() => { this.label2.Text = dt.Rows[i]["aNAME"].ToString().Trim(); }));