RequirementAttribute.CreateSubscription Method

Returns a RequirementSubscription object that can be used to be notified when the requirement contained in this attribute has changed.

Namespace:  Microsoft.Windows.Design
Assembly:  Microsoft.Windows.Design.Extensibility (in Microsoft.Windows.Design.Extensibility.dll)

Syntax

'Declaration
Public MustOverride Function CreateSubscription ( _
    context As EditingContext _
) As RequirementSubscription

public abstract RequirementSubscription CreateSubscription(
    EditingContext context
)

public:
virtual RequirementSubscription^ CreateSubscription(
    EditingContext^ context
) abstract

abstract CreateSubscription : 
        context:EditingContext -> RequirementSubscription 

public abstract function CreateSubscription(
    context : EditingContext
) : RequirementSubscription

Parameters

• context
  Type: Microsoft.Windows.Design.EditingContext
  The editing context to check.

Return Value

Type: Microsoft.Windows.Design.RequirementSubscription
A new RequirementSubscription object.

Exceptions

Remarks

The caller can handle this event and call the MeetsRequirement method to determine whether the requirement is met after the change.

.NET Framework Security

• Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.

See Also

Reference

RequirementAttribute Class

Microsoft.Windows.Design Namespace

RequiresContextItemAttribute

RequiresServiceAttribute

UsesItemPolicyAttribute

Other Resources

Understanding WPF Designer Extensibility