ForEach<T> Class
Executes an activity action once for each value provided in the Values collection.
System.Activities.Activity
System.Activities.NativeActivity
System.Activities.Statements.ForEach<T>
Namespace: System.Activities.Statements
Assembly: System.Activities (in System.Activities.dll)
The ForEach<T> type exposes the following members.
| Name | Description | |
|---|---|---|
 | Body | The ActivityAction to be executed for each item in the Values collection. |
 | CacheId | Gets the identifier of the cache that is unique within the scope of the workflow definition. (Inherited from Activity.) |
| DisplayName | Gets or sets an optional friendly name that is used for debugging, validation, exception handling, and tracking. (Inherited from Activity.) |
| Id | Gets an identifier that is unique in the scope of the workflow definition. (Inherited from Activity.) |
| ImplementationVersion | Gets or sets the implementation version of the activity. (Inherited from NativeActivity.) |
| Values | The activity’s collection of inputs for the execution of the Body activity action. |
| Name | Description | |
|---|---|---|
 | Equals(Object) | Determines whether the specified object is equal to the current object. (Inherited from Object.) |
| GetHashCode | Serves as a hash function for a particular type. (Inherited from Object.) |
| GetType | Gets the Type of the current instance. (Inherited from Object.) |
| ShouldSerializeDisplayName | Indicates whether the DisplayName property should be serialized. (Inherited from Activity.) |
| ToString | Returns a String that contains the Id and DisplayName of the Activity. (Inherited from Activity.) |
ForEach is similar to the keyword foreach, but is implemented as an activity rather than a language statement. Note that unlike foreach in C#, the ForEach<T> activity uses GetEnumerator, rather than IEnumerator#System#Collections#IEnumerable#GetEnumerator.
The following code sample demonstrates creating a ForEach<T> activity. This example is from the DynamicActivity Creation sample.
new ForEach<int> { Values = new ArgumentValue<IEnumerable<int>> { ArgumentName = "Numbers" }, Body = new ActivityAction<int> { Argument = iterationVariable, Handler = new Assign<int> { To = accumulator, Value = new InArgument<int>(env => iterationVariable.Get(env) + accumulator.Get(env)) } } },
Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
