Validate Method (TimeSpanEditor)

Validates the specified text and returns a value specifying whether it is valid.

Syntax

Visual Basic

'Declaration
 
Public Shared Function Validate( _
   ByVal text As String, _
   ByVal formatInfo As TimeSpanFormatInfo, _
   ByVal minValue As TimeSpan, _
   ByVal maxValue As TimeSpan, _
   ByVal allowNull As Boolean, _
   ByRef errorMessage As String _
) As TimeSpanEditorInvalidValueReason

C#

public static TimeSpanEditorInvalidValueReason Validate( 
   string text,
   TimeSpanFormatInfo formatInfo,
   TimeSpan minValue,
   TimeSpan maxValue,
   bool allowNull,
   out string errorMessage
)

Parameters

text

The string to evaluate.

formatInfo

The TimeSpanFormatInfo instance which provides formatting information.

minValue

The minimum allowable value.

maxValue

The maximum allowable value.

allowNull

Specifies whether a null value is permitted. When this parameter is true, passing an empty string as the text will pass validation.

errorMessage

[out] Upon return, contains the human-readable message describing the reason the value was determined to be invalid, or null if the value is valid.

Return Value

A TimeSpanEditorInvalidValueReason constant which describes the reason for the failed validation.

Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, 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