| EventHandlerExtensionsSafeInvokeT Method (EventHandlerT, Object, T, FuncT, Boolean) |
Raises the event with cancellation possibility.
Namespace: Cimbalino.Toolkit.ExtensionsAssembly: Cimbalino.Toolkit.Core (in Cimbalino.Toolkit.Core.dll) Version: 2.2.1.0 (2.2.1.0)
Syntax public static bool SafeInvoke<T>(
this EventHandler<T> eventHandler,
Object sender,
T eventArgs,
Func<T, bool> cancelInvocation
)
where T : EventArgs
Parameters
- eventHandler
- Type: SystemEventHandlerT
The event to raise. - sender
- Type: SystemObject
The source of the event. - eventArgs
- Type: T
The arguments for the event. - cancelInvocation
- Type: SystemFuncT, Boolean
A predicate that returns true to cancel the invocation.
Type Parameters
- T
- The type of the event data generated by the event.
Return Value
Type:
Booleantrue if the event has not been cancelled by any of the subscribers; otherwise, false.
Usage Note
In Visual Basic and C#, you can call this method as an instance method on any object of type
EventHandlerT. 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).
Version Information Portable
Supported in: 4.5
Windows
Supported in: 10.0, 8.1
Windows Phone
Supported in: 8.1
Windows Phone Silverlight
Supported in: 8.1, 8.0
See Also