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 sealed class TryCatch : 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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