Occurs before the action method is invoked.
Namespace:   System.Web.Http.Filters
Assembly:  System.Web.Http (in System.Web.Http.dll)
Syntax
public virtual void OnActionExecuting(
    HttpActionContext actionContext
)
public:
virtual void OnActionExecuting(
    HttpActionContext^ actionContext
)
abstract OnActionExecuting : 
        actionContext:HttpActionContext -> unit
override OnActionExecuting : 
        actionContext:HttpActionContext -> unit
Public Overridable Sub OnActionExecuting (
    actionContext As HttpActionContext
)
Parameters
- actionContext 
 Type: System.Web.Http.Controllers.HttpActionContext- The action context. 
See Also
ActionFilterAttribute Class
System.Web.Http.Filters Namespace
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