GetService Method (_NotifyingWidget)

Syntax

Visual Basic
C#
C++/CLI

'Declaration
 
<CanBeNullAttribute()>
Function GetService( _
   ByVal serviceType As Type _
) As Object

'Usage
 
Dim instance As _NotifyingWidget
Dim serviceType As Type
Dim value As Object
 
value = instance.GetService(serviceType)

[CanBeNull()]
object GetService( 
   Type serviceType
)

[CanBeNull()]
Object^ GetService( 
   Type^ serviceType
)

Parameters

serviceType: The value of this parameter cannot be null (Nothing in Visual Basic).

Return Value

This method can return 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.

Remarks

This member or type is for use from COM. It is not meant to be used from .NET or Python. Refer to the corresponding .NET member or type instead, if you are developing in .NET or Python.

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 Interface
_NotifyingWidget Members

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