HandledMouseEventArgs.Handled Property    
Definition
Important
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Gets or sets whether this event should be forwarded to the control's parent container.
public:
 property bool Handled { bool get(); void set(bool value); };public bool Handled { get; set; }member this.Handled : bool with get, setPublic Property Handled As BooleanProperty Value
true if the mouse event should go to the parent control; otherwise, false.
Examples
The following code example demonstrates how to mark the mouse wheel event as handled in a custom control.
Imports System.Windows.Forms
Public Class MouseWheelControl
    Sub New()
        ' Add initialization code for the control here. 
    End Sub
    Protected Sub MouseWheelControl_MouseWheel(ByVal sender As Object, ByVal e As MouseEventArgs) Handles Me.MouseWheel
        Dim Hme As HandledMouseEventArgs = e
        Hme.Handled = True
        ' Perform custom mouse wheel action here. 
    End Sub
End Class