PHP Code:
public void GetText()
        {
            if (
Clipboard.GetText() != null)
            {
                
newget Clipboard.GetText();
                if (
newget != lastget)
                {
                    
txtClip.Text txtClip.Text "\r\n" newget "\r\n";
                    
lastget newget;
                }
            }
        } 
You need a textbox names txtClip

Enjoy!