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When you register a delegate, you can request an event revoker object (also known as an auto revoker). You can manually revoke your delegate by calling the event_revoker::revoke member function on that object, or you can just allow it to go out of scope. For more info, and a code example, see Revoke a registered delegate.
Syntax
template <typename I>
struct event_revoker
Template parameters
typename I
The type of the event source (the object that raises the event).
Requirements
Minimum supported SDK: Windows SDK version 10.0.17134.0 (Windows 10, version 1803)
Namespace: winrt
Header: %WindowsSdkDir%Include<WindowsTargetPlatformVersion>\cppwinrt\winrt\base.h (included by default)
Member functions
| Function | Description |
|---|---|
| event_revoker::revoke function | Revokes the delegate from whose registration the event_revoker object was returned. |
event_revoker::revoke function
Revokes the delegate from whose registration the event_revoker object was returned.
Syntax
void revoke() noexcept;