TryCatch Class

.NET Framework (current version)
 

Contains activities to be executed by the workflow runtime in an exception handling block.

Namespace:   System.Activities.Statements
Assembly:  System.Activities (in System.Activities.dll)

System.Object
  System.Activities.Activity
    System.Activities.NativeActivity
      System.Activities.Statements.TryCatch

Public NotInheritable Class TryCatch
	Inherits NativeActivity

NameDescription
System_CAPS_pubmethodTryCatch()

Creates a new instance of the TryCatch class.

NameDescription
System_CAPS_protpropertyCacheId

Gets the identifier of the cache that is unique within the scope of the workflow definition.(Inherited from Activity.)

System_CAPS_pubpropertyCatches

The collection of Catch elements to be checked when the Try activity throws an exception.

System_CAPS_pubpropertyDisplayName

Gets or sets an optional friendly name that is used for debugging, validation, exception handling, and tracking.(Inherited from Activity.)

System_CAPS_pubpropertyFinally

The activity to be executed when the Try and any necessary activities in the Catches collection complete execution.

System_CAPS_pubpropertyId

Gets an identifier that is unique in the scope of the workflow definition.(Inherited from Activity.)

System_CAPS_protpropertyImplementationVersion

Gets or sets the implementation version of the activity.(Inherited from NativeActivity.)

System_CAPS_pubpropertyTry

The activity first executed when the TryCatch executes.

System_CAPS_pubpropertyVariables

The collection of contained variables.

NameDescription
System_CAPS_pubmethodEquals(Object)

Determines whether the specified object is equal to the current object.(Inherited from Object.)

System_CAPS_pubmethodGetHashCode()

Serves as the default hash function. (Inherited from Object.)

System_CAPS_pubmethodGetType()

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

System_CAPS_pubmethodShouldSerializeDisplayName()

Indicates whether the DisplayName property should be serialized.(Inherited from Activity.)

System_CAPS_pubmethodToString()

Returns a String that contains the Id and DisplayName of the Activity.(Inherited from Activity.)

System_CAPS_noteNote

The Finally activity member of a TryCatch activity that is the child of a TransactionScope will not execute if an unhandled exception propagates past the TransactionScope boundary.

The following code sample demonstrates creating a TransactionScope activity. This example is from the Nesting of TransactionScope within a service sample.

.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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