Public Shared validateNone As Boolean = False

' ****************************************************** 
' validate コントロール用
' ****************************************************** 
Protected Overloads Overrides Sub OnValidating( _
  ByVal e As System.ComponentModel.CancelEventArgs)

	' ****************************************************** 
	' validateNone が True ならば、Valdating は発生しない 
	' ****************************************************** 
	If Not validateNone Then
		If Me.Enabled = True Then
			MyBase.OnValidating(e)
		End If
	End If

End Sub

Protected Overloads Overrides Sub OnValidated( _
 ByVal e As System.EventArgs)

	' ****************************************************** 
	' validateNone が True ならば、Validated は発生しない 
	' ****************************************************** 
	If Not validateNone Then
		If Me.Enabled = True Then
			MyBase.OnValidated(e)
		End If
	End If

End Sub

' ****************************************************** 
' 文字列としてのデータ
' ****************************************************** 
Public Property InnerText() As String

	Get
		If Not Me.Checked Then
			Return ""
		Else
			Return Me.Value.ToString("d")
		End If

	End Get
	Set(ByVal value As String)

		Try
			Me.Value = Date.Parse(value)
		Catch ex As Exception
			Me.Value = Date.Today
		End Try

		If value = "" Then
			Me.Checked = False
		Else
			Me.Checked = True
		End If

	End Set

End Property

' ****************************************************** 
' SQL用文字列としてのデータ
' ****************************************************** 
Private _DbDefault As String = "NULL"
Public ReadOnly Property DbText() As String

	Get
		If Not Me.Checked Then
			Return _DbDefault
		Else
			Return "'" + Me.Value.ToString("d") + "'"
		End If
	End Get

End Property

' ****************************************************** 
' SQL用デフォルトデータ
' ****************************************************** 
Public Property DbDefault() As String

	Get
		Return _DbDefault
	End Get
	Set(ByVal value As String)
		_DbDefault = value
	End Set

End Property

' ****************************************************** 
' カスタムチェックタイプ
' ****************************************************** 
Private _CheckType As Integer = 0
<System.ComponentModel.Description("0:なし" & Chr(10) & "1:必須入力"), _
 System.ComponentModel.DefaultValue(0)> _
Public Property CheckType() As Integer
	Get
		Return _CheckType
	End Get
	Set(ByVal value As Integer)
		_CheckType = value
	End Set
End Property

' ****************************************************** 
' 同一処理支援
' ****************************************************** 
Private _Group As Integer = 1
<System.ComponentModel.DefaultValue(1)> _
  Public Property Group() As Integer
	Get
		Return _Group
	End Get
	Set(ByVal value As Integer)
		_Group = value
	End Set
End Property

' ****************************************************** 
' 全体のチェック
' ****************************************************** 
Private Sub LboxDate_Validating(ByVal sender As System.Object, _
 ByVal e As System.ComponentModel.CancelEventArgs) Handles MyBase.Validating

	' 必須入力
	If Me._CheckType = 1 Then
		If Not Me.Checked Then
			MessageBox.Show("必須入力です　　　", _
			"エラー", MessageBoxButtons.OK, MessageBoxIcon.Error)
			e.Cancel = True
		End If
	End If

End Sub