public bool Cancel {get; set;}

'Declaration
 
Public Property Cancel As Boolean

'Usage
 
Dim instance As DetailsExpansionChangingEventArgs
Dim value As Boolean
 
instance.Cancel = value
 
value = instance.Cancel

Property Value

true to cancel the routed event; false otherwise.

Setting Cancel to true does not indicate that the event has been handled. In order to handle the event Handled must also be set to true.

Target Platforms: Windows 11, Windows, 10, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

DetailsExpansionChangingEventArgs Class
DetailsExpansionChangingEventArgs Members