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IHandlerActivationHost interface (shobjidl_core.h)

  • Article

Enables a client of Shell item activation (including callers of ShellExecuteEx and IContextMenu::InvokeCommand) to be given a chance to veto or perform some action before the activation of verb handlers.

Inheritance

The IHandlerActivationHost interface inherits from the IUnknown interface. IHandlerActivationHost also has these types of members:

Methods

The IHandlerActivationHost interface has these methods.

 
IHandlerActivationHost::BeforeCoCreateInstance

. (IHandlerActivationHost.BeforeCoCreateInstance)
IHandlerActivationHost::BeforeCreateProcess

. (IHandlerActivationHost.BeforeCreateProcess)

Remarks

This interface is implemented by an object reachable through the site chain provided to ShellExecuteEx or the context menu handler. Applications will return this object in their IServiceProvider::QueryService implementation when asked for the service ID SID_SHandlerActivationHost.

Requirements

Requirement Value
Minimum supported client Windows 8 [desktop apps only]
Minimum supported server Windows Server 2012 [desktop apps only]
Target Platform Windows
Header shobjidl_core.h (include Shobjidl.h)