Represents expressions that determine whether the evaluation succeeds or fails. Upon failure, a validation message explaining why the evaluation failed can be provided, which can then be displayed.
[TypeConverter("Xceed.Validation.Design.ValidationExpressionConverter,Xceed.Validation.v1.3.Design,Version=1.3.25208.5768,Culture=neutral,PublicKeyToken=ba83ff368b7563c6")]
[DesignTimeVisible(false)]
[ToolboxItem(false)]
public abstract class ValidationExpression
'Declaration
<TypeConverterAttribute("Xceed.Validation.Design.ValidationExpressionConverter,Xceed.Validation.v1.3.Design,Version=1.3.25208.5768,Culture=neutral,PublicKeyToken=ba83ff368b7563c6")>
<DesignTimeVisibleAttribute(False)>
<ToolboxItemAttribute(False)>
Public MustInherit Class ValidationExpression
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
