C#

public delegate void CalculationCompletedEventHandler( object sender, CalculationCompletedEventArgs e );<br />

	<br />
public class Worker : Component {<br />
//...<br />
public event CalculationCompletedEventHandler CalculationCompleted;<br />
//..<br />
<br />
private void doCalculationCompleted( object operationState ){<br />
CalculationCompletedEventArgs e = operationState as CalculationCompletedEventArgs;<br />
OnCalculationCompleted( e );<br />
}<br />
		<br />
protected void OnCalculationCompleted( CalculationCompletedEventArgs e ){<br />
if ( CalculationCompleted != null ) {<br />
CalculationCompleted( this, e );<br />
}<br />
}

internal void OnUpdateProgress( object sender, CalculationCompletedEventArgs e ){<br />
if ( this.InvokeRequired ){<br />
this.Invoke( doProgressUpdate, new object[] { sender, e } );<br />
}else{<br />
lock ( this ){<br />
//....Do Stuff<br />
}					<br />
}<br />
}<br />
<br />
Worker w = new Worker(id);<br />
w.CalculationCompleted += OnUpdateProgress;

drifters wrote:

Now, I would like to know if there are ways to select the nodes based on part of its attribute name like using wildcards.

[DllImport("user32")]
public static extern IntPtr GetForegroundWindow();
 
[DllImport("user32.dll")]
public static extern void GetWindowText(IntPtr hWnd, StringBuilder sb, int capacity);