ExtensionMethods.RaiseEvent Method (CancelEventHandler, Object, CancelEventArgs)
Helper method to perform the null check necessary to raise an event safely.
Namespace: Microsoft.VisualStudio.PlatformUI
Assembly: Microsoft.VisualStudio.Shell.10.0 (in Microsoft.VisualStudio.Shell.10.0.dll)
Syntax
声明
<ExtensionAttribute> _
Public Shared Sub RaiseEvent ( _
eventHandler As CancelEventHandler, _
source As Object, _
args As CancelEventArgs _
)
用法
Dim eventHandler As CancelEventHandler
Dim source As Object
Dim args As CancelEventArgs
eventHandler.RaiseEvent(source, args)
public static void RaiseEvent(
this CancelEventHandler eventHandler,
Object source,
CancelEventArgs args
)
[ExtensionAttribute]
public:
static void RaiseEvent(
CancelEventHandler^ eventHandler,
Object^ source,
CancelEventArgs^ args
)
static member RaiseEvent :
eventHandler:CancelEventHandler *
source:Object *
args:CancelEventArgs -> unit
public static function RaiseEvent(
eventHandler : CancelEventHandler,
source : Object,
args : CancelEventArgs
)
Parameters
- eventHandler
Type: System.ComponentModel.CancelEventHandler
The event.
- source
Type: System.Object
The event's source parameter.
- args
Type: System.ComponentModel.CancelEventArgs
The event's argument parameter.
Usage Note
In Visual Basic and C#, you can call this method as an instance method on any object of type CancelEventHandler. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).
.NET Framework Security
- Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.