Xceed Grid for WinForms v4.3 Documentation
Evaluate Method (InputCellValueCriterion)


Xceed.Validation.v1.3 Assembly > Xceed.Validation Namespace > InputCellValueCriterion Class : Evaluate Method
The validation provider used for the validation.
The input component containing the value to be used for the validation.
The value to be used for the validation.
Provides the last error message of the validation failure if any.
Launches the validation on this input component.
Syntax
'Declaration
 
Public Overrides Function Evaluate( _
   ByVal validationProvider As ValidationProvider, _
   ByVal componentToValidate As Object, _
   ByVal valueToValidate As String, _
   ByRef validationMessage As String _
) As Boolean
'Usage
 
Dim instance As InputCellValueCriterion
Dim validationProvider As ValidationProvider
Dim componentToValidate As Object
Dim valueToValidate As String
Dim validationMessage As String
Dim value As Boolean
 
value = instance.Evaluate(validationProvider, componentToValidate, valueToValidate, validationMessage)

Parameters

validationProvider
The validation provider used for the validation.
componentToValidate
The input component containing the value to be used for the validation.
valueToValidate
The value to be used for the validation.
validationMessage
Provides the last error message of the validation failure if any.

Return Value

true if the input component contains valid information based on this validation expression; false otherwise.
Remarks
When overriding this method in a derived class, be sure to call the base class's method before your own code so that the base class's criteria can be validated first.
Requirements

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

See Also

Reference

InputCellValueCriterion Class
InputCellValueCriterion Members
Base Implementation in Evaluate