CompositionContract.TryUnwrapMetadataConstraint<T> Method
Definition
Important
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Gets a metadata constraint that has the specified type and name, if it exists.
public:
generic <typename T>
bool TryUnwrapMetadataConstraint(System::String ^ constraintName, [Runtime::InteropServices::Out] T % constraintValue, [Runtime::InteropServices::Out] System::Composition::Hosting::Core::CompositionContract ^ % remainingContract);
public bool TryUnwrapMetadataConstraint<T> (string constraintName, out T constraintValue, out System.Composition.Hosting.Core.CompositionContract remainingContract);
member this.TryUnwrapMetadataConstraint : string * 'T * CompositionContract -> bool
Public Function TryUnwrapMetadataConstraint(Of T) (constraintName As String, ByRef constraintValue As T, ByRef remainingContract As CompositionContract) As Boolean
Type Parameters
- T
The type of the metadata constraint value.
Parameters
- constraintName
- String
The name of the metadata constraint.
- constraintValue
- T
When this method returns, contains the value of the constraint if it was found. This parameter is treated as uninitialized.
- remainingContract
- CompositionContract
When this method returns, holds the contract with the constraint removed, if the constraint was found. This parameter is treated as uninitialized.
Returns
true
if the constrained metadata item was unwrapped and the value extracted; otherwise, false
.
Applies to
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