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Subscribe to the IDesign Downloads feed You can rework the Svc Util or VS generated proxy so that the same proxy will offer both synchronous and asynchronous calls.
DWM) also uses the DXGI Present but haven’t looked into this in greater detail as the End Scene hook in Direct3D 9 achieves what we are after also. The D3D 9 example displays the frame rate and draws a box with a cross in the middle to identify the region that was captured – this fades after 1sec.
The client obviously needs a way to be notified when the calls complete and be able to harvest returned values or catch exceptions.
All that is doe using a simple directive to Svc Util: the /asyc switch that generates an asynchronous proxy.
by default, the completion callback of an asynchronous WCF call comes in on a thread from the thread pool.
If the callback needs to execute on a particular thread (such as updating the UI with Windows Forms), you must marshal the call.