SafeCriticalCallback Method

Performs a critical callback, guarding against exceptions.

Syntax

Visual Basic
C#
C++/CLI

'Declaration
 
Protected Shared Sub SafeCriticalCallback( _
   ByVal name As String, _
   ByVal action As Action _
)

'Usage
 
Dim name As String
Dim action As Action
 
NotifyingWidget.SafeCriticalCallback(name, action)

protected static void SafeCriticalCallback( 
   string name,
   Action action
)

protected:
static void SafeCriticalCallback( 
   String^ name,
   Action^ action
)

Parameters

name: Name of the callback or event handler.
The value of this parameter cannot be null (Nothing in Visual Basic).
action: The callback action to be performed.
The value of this parameter cannot be null (Nothing in Visual Basic).

Exceptions

Exception Description

Exception	Description
System.ArgumentNullException	A `null` reference (`Nothing` in Visual Basic) is passed to a method that does not accept it as a valid argument. This is a usage error, i.e. it will never occur (the exception will not be thrown) in a correctly written program. Your code should not catch this exception.

System.ArgumentNullException

A null reference (Nothing in Visual Basic) is passed to a method that does not accept it as a valid argument.

This is a usage error, i.e. it will never occur (the exception will not be thrown) in a correctly written program. Your code should not catch this exception.

Requirements

Target Platforms: .NET Framework: Windows 10 (selected versions), Windows 11 (selected versions), Windows Server 2016, Windows Server 2022; .NET: Linux, macOS, Microsoft Windows

Reference

NotifyingWidget Class
NotifyingWidget Members

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