ContextItemManager.RemoveCallback(Delegate, Delegate) Method

Reference

Definition

Namespace:: System.Activities.Presentation

Assembly:: System.Activities.Presentation.dll

Important

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Represents a helper method that performs delegate removals and that unwraps delegates that are proxies to generic callbacks.

protected:
 static Delegate ^ RemoveCallback(Delegate ^ existing, Delegate ^ toRemove);

protected static Delegate RemoveCallback(Delegate existing, Delegate toRemove);

static member RemoveCallback : Delegate * Delegate -> Delegate

Protected Shared Function RemoveCallback (existing As Delegate, toRemove As Delegate) As Delegate

Parameters

existing: Delegate

The existing delegate.

toRemove: Delegate

The delegate to be removed from existing.

Returns

Delegate

Returns Delegate, which contains the new delegate that should be assigned to existing.

Remarks

Use this method in your implementations of the Unsubscribe method.

Applies to

Product	Versions
.NET Framework	4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1

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