PosCommon.Invoke Method (POS for .NET v1.14 SDK Documentation)

3/2/2014

Used by the Service Objects to raise an event.

Namespace: Microsoft.PointOfService
Assembly: Microsoft.PointOfService (in microsoft.pointofservice.dll)

Syntax

'Declaration
Protected Function Invoke ( _
    method As Delegate, _
    args As Object() _
) As Object

protected Object Invoke (
    Delegate method,
    Object[] args
)

protected:
Object^ Invoke (
    Delegate^ method, 
    array<Object^>^ args
)

protected Object Invoke (
    Delegate method, 
    Object[] args
)

protected function Invoke (
    method : Delegate, 
    args : Object[]
) : Object

Invoke uses the value of the SynchronizingObject property to marshal the event to the correct thread.

If SynchronizingObject is set to null, the event is raised on the calling thread.

Note

Invoke is only used by Service Objects that do not derive from either the device’s basic or base class.

Any public static (Shared in Visual Basic) members of this type are thread-safe. Any instance members are not guaranteed to be thread-safe.