ValueAccess.GetValue Method
Retrieves a value from source.
Namespace: Microsoft.Practices.EnterpriseLibrary.Validation
Assembly: Microsoft.Practices.EnterpriseLibrary.Validation (in Microsoft.Practices.EnterpriseLibrary.Validation.dll) Version: 6.0.0.0 (6.0.1304.0)
Syntax
public abstract bool GetValue(
Object source,
out Object value,
out string valueAccessFailureMessage
)
'Declaration
Public MustOverride Function GetValue (
source As Object,
<OutAttribute> ByRef value As Object,
<OutAttribute> ByRef valueAccessFailureMessage As String
) As Boolean
public:
virtual bool GetValue(
Object^ source,
[OutAttribute] Object^% value,
[OutAttribute] String^% valueAccessFailureMessage
) abstract
Parameters
- source
Type: System.Object
The source for the value.
- value
Type: System.Object%
The value retrieved from the source.
- valueAccessFailureMessage
Type: System.String%
A message describing the failure to access the value, if any.
Return Value
Type: Boolean
truetrue (True in Visual Basic) when the retrieval was successful; falsefalse (False in Visual Basic) otherwise.
Remarks
Subclasses provide concrete value accessing behaviors.