DataServiceContext.TryGetAnnotation Method
Definition
Important
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Overloads
| TryGetAnnotation<TFunc,TResult>(Expression<TFunc>, String, String, TResult) |
Try to get instance annotations or metadata annotation for property or navigation property. Or try to get metadata annotation for property, navigation property, entitySet, singleton, operation or operation import. |
| TryGetAnnotation<TFunc,TResult>(Expression<TFunc>, String, TResult) |
Try to get instance annotations or metadata annotation for property or navigation property. Or try to get metadata annotation for property, navigation property, entitySet, singleton, operation or operation import. |
| TryGetAnnotation<TResult>(Object, String, TResult) |
Try to get instance annotations or metadata annotation associated with the specified object. |
| TryGetAnnotation<TResult>(Object, String, String, TResult) |
Try to get instance annotations or metadata annotation associated with the specified object. |
TryGetAnnotation<TFunc,TResult>(Expression<TFunc>, String, String, TResult)
Try to get instance annotations or metadata annotation for property or navigation property. Or try to get metadata annotation for property, navigation property, entitySet, singleton, operation or operation import.
public virtual bool TryGetAnnotation<TFunc,TResult> (System.Linq.Expressions.Expression<TFunc> expression, string term, string qualifier, out TResult annotation);abstract member TryGetAnnotation : System.Linq.Expressions.Expression<'Func> * string * string * 'Result -> bool
override this.TryGetAnnotation : System.Linq.Expressions.Expression<'Func> * string * string * 'Result -> boolPublic Overridable Function TryGetAnnotation(Of TFunc, TResult) (expression As Expression(Of TFunc), term As String, qualifier As String, ByRef annotation As TResult) As BooleanType Parameters
- TFunc
Type of the action or function the expression represents
- TResult
CLR Type of annotation
Parameters
- expression
- Expression<TFunc>
The closure expression to access following items: property navigation property entitySet singleton function action function import action import
- term
- String
The term name of the annotation
- qualifier
- String
Qualifier to apply
- annotation
- TResult
When this method returns, contains the annotation associated with the specified expression and term, if the annotation is found; otherwise, the default value for the type of the annotation parameter.
Returns
true if the annotation is found
Applies to
TryGetAnnotation<TFunc,TResult>(Expression<TFunc>, String, TResult)
Try to get instance annotations or metadata annotation for property or navigation property. Or try to get metadata annotation for property, navigation property, entitySet, singleton, operation or operation import.
public virtual bool TryGetAnnotation<TFunc,TResult> (System.Linq.Expressions.Expression<TFunc> expression, string term, out TResult annotation);abstract member TryGetAnnotation : System.Linq.Expressions.Expression<'Func> * string * 'Result -> bool
override this.TryGetAnnotation : System.Linq.Expressions.Expression<'Func> * string * 'Result -> boolPublic Overridable Function TryGetAnnotation(Of TFunc, TResult) (expression As Expression(Of TFunc), term As String, ByRef annotation As TResult) As BooleanType Parameters
- TFunc
Type of the action or function the expression represents
- TResult
Type of annotation
Parameters
- expression
- Expression<TFunc>
The closure expression to access following items: property navigation property entitySet singleton function action function import action import
- term
- String
The term name of an annotation
- annotation
- TResult
When this method returns, contains the annotation associated with the specified expression and term, if the annotation is found; otherwise, the default value for the type of the annotation parameter.
Returns
true if the annotation is found
Applies to
TryGetAnnotation<TResult>(Object, String, TResult)
Try to get instance annotations or metadata annotation associated with the specified object.
public virtual bool TryGetAnnotation<TResult> (object source, string term, out TResult annotation);abstract member TryGetAnnotation : obj * string * 'Result -> bool
override this.TryGetAnnotation : obj * string * 'Result -> boolPublic Overridable Function TryGetAnnotation(Of TResult) (source As Object, term As String, ByRef annotation As TResult) As BooleanType Parameters
- TResult
CLR type of the annotation
Parameters
- source
- Object
The annotated object
- term
- String
The term name of an annotation
- annotation
- TResult
When this method returns, contains the annotation associated with the specified object and term, if the annotation is found; otherwise, the default value for the type of the annotation parameter.
Returns
true if the annotation is found
Applies to
TryGetAnnotation<TResult>(Object, String, String, TResult)
Try to get instance annotations or metadata annotation associated with the specified object.
public virtual bool TryGetAnnotation<TResult> (object source, string term, string qualifier, out TResult annotation);abstract member TryGetAnnotation : obj * string * string * 'Result -> bool
override this.TryGetAnnotation : obj * string * string * 'Result -> boolPublic Overridable Function TryGetAnnotation(Of TResult) (source As Object, term As String, qualifier As String, ByRef annotation As TResult) As BooleanType Parameters
- TResult
CLR type of the annotation
Parameters
- source
- Object
The annotated object
- term
- String
The term name of an annotation
- qualifier
- String
Qualifier to apply
- annotation
- TResult
When this method returns, contains the annotation associated with the specified object and term, if the annotation is found; otherwise, the default value for the type of the annotation parameter.
Returns
true if the annotation is found