C#

if (Array.IndexOf(new int[] { 1, 5, 7, 9 }, x) >= 0) {
   //...
}

//somewhere in your class
private int[] _goodNumbers = new int[] { 1, 5, 7, 9 };

//your method
if (Array.IndexOf(_goodNumbers, x) >= 0) {
   //...
}

<br />
private void button1_Click(object sender, System.EventArgs e)<br />
{<br />
   try<br />
   {<br />
      this.richTextBox1.Clear();<br />
      for(int i=0; i<200; i++)<br />
      {<br />
	this.richTextBox1.SelectedText = "Index = " + i.ToString() + "\r\n";   // 1. try<br />
	// this.richTextBox1.AppendText("Index = " + i.ToString()+ "\r\n");    // 2. try<br />
	// this.richTextBox1.Text += "Index = " + i.ToString()+ "\r\n";        // 3. try<br />
	this.richTextBox1.ScrollToCaret();<br />
      }<br />
   }<br />
   catch{}<br />
}<br />

Ravi Shankar43 wrote:

get me the answer for that

adamario wrote:

easyly done with sendmessage and LB_ADDSTRING.

adamario wrote:

but how can this be done with a listview/item ?
googled for some hours now and didnt find a solution.