PreApplicationStartMethodAttribute Class
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PreApplicationStartMethodAttribute Class

.NET Framework 4.6 and 4.5

Provides expanded support for application startup.

Namespace:   System.Web
Assembly:  System.Web (in System.Web.dll)


[AttributeUsageAttribute(AttributeTargets.Assembly, AllowMultiple = true)]
public sealed class PreApplicationStartMethodAttribute : Attribute

System_CAPS_pubmethodPreApplicationStartMethodAttribute(Type, String)

Initializes a new instance of the PreApplicationStartMethodAttribute class.


Gets the associated startup method.


Gets the type that is returned by the associated startup method.


When implemented in a derived class, gets a unique identifier for this Attribute.(Inherited from Attribute.)


This API supports the product infrastructure and is not intended to be used directly from your code. Returns a value that indicates whether this instance is equal to a specified object.(Inherited from Attribute.)


Returns the hash code for this instance.(Inherited from Attribute.)


Gets the Type of the current instance.(Inherited from Object.)


When overridden in a derived class, indicates whether the value of this instance is the default value for the derived class.(Inherited from Attribute.)


When overridden in a derived class, returns a value that indicates whether this instance equals a specified object.(Inherited from Attribute.)


Returns a string that represents the current object.(Inherited from Object.)

System_CAPS_pubinterfaceSystem_CAPS_privmethod_Attribute.GetIDsOfNames(Guid, IntPtr, UInt32, UInt32, IntPtr)

Maps a set of names to a corresponding set of dispatch identifiers.(Inherited from Attribute.)

System_CAPS_pubinterfaceSystem_CAPS_privmethod_Attribute.GetTypeInfo(UInt32, UInt32, IntPtr)

Retrieves the type information for an object, which can be used to get the type information for an interface.(Inherited from Attribute.)


Retrieves the number of type information interfaces that an object provides (either 0 or 1).(Inherited from Attribute.)

System_CAPS_pubinterfaceSystem_CAPS_privmethod_Attribute.Invoke(UInt32, Guid, UInt32, Int16, IntPtr, IntPtr, IntPtr, IntPtr)

Provides access to properties and methods exposed by an object.(Inherited from Attribute.)

  • There is no guarantee of the order in which the assembly-defined application start methods are called. As a result, each registered start method should be coded to run in isolation and should not depend on side effects from other registered start methods.

For more information about using attributes, see Extending Metadata Using Attributes.

.NET Framework
Available since 4.0

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

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