EventHandlerExtensionsSafeInvokeTEventHandler, TEventArgs(TEventHandler, Object, ActionException, Delegate, Object, TEventArgs, Boolean) Method

public static void SafeInvoke<TEventHandler, TEventArgs>(
	this TEventHandler eventHandler,
	Object? eventLock,
	Action<Exception, Delegate>? exceptionHandler,
	Object? sender,
	TEventArgs args,
	bool parallel = false
)
where TEventHandler : MulticastDelegate
where TEventArgs : EventArgs

<ExtensionAttribute>
Public Shared Sub SafeInvoke(Of TEventHandler As MulticastDelegate, TEventArgs As EventArgs) ( 
	eventHandler As TEventHandler,
	eventLock As Object,
	exceptionHandler As Action(Of Exception, Delegate),
	sender As Object,
	args As TEventArgs,
	Optional parallel As Boolean = false
)

public:
[ExtensionAttribute]
generic<typename TEventHandler, typename TEventArgs>
where TEventHandler : MulticastDelegate
where TEventArgs : EventArgs
static void SafeInvoke(
	TEventHandler eventHandler, 
	Object^ eventLock, 
	Action<Exception^, Delegate^>^ exceptionHandler, 
	Object^ sender, 
	TEventArgs args, 
	bool parallel = false
)

JavaScript does not support generic types or methods.

Parameters

eventHandler  TEventHandler

Source EventHandler to safely invoke.

eventLock  Object

Locking object for accessing event handler invocation list; when set to null, lock will be on eventHandler.

exceptionHandler  ActionException, Delegate

Custom delegate to handle encountered exceptions which includes parameter for event handler that threw the exception; when set to null, exception will be suppressed, see SuppressedException.

sender  Object

Event source.

args  TEventArgs

Event arguments.

parallel  Boolean  (Optional)

Call event handlers in parallel, when attached handlers are greater than one.

Type Parameters

TEventHandler

MulticastDelegate type commonly derived from EventHandler.

TEventArgs

Type derived from EventArgs.

Usage Note

Reference