【Winform】DataGridViewComboBoxCell的SelectIndexChanged事件

    Private Sub Grid_EditingControlShowing(ByVal sender As Object, ByVal e As System.Windows.Forms.DataGridViewEditingControlShowingEventArgs) Handles Grid.EditingControlShowing
        If Grid.CurrentCell.ColumnIndex = COL_HINCD Then
            If Not (TypeOf (e.Control) Is ComboBox) Then Exit Sub
            Dim cbo As ComboBox
            cbo = TryCast(e.Control, ComboBox)
            If cbo IsNot Nothing Then
                RemoveHandler cbo.SelectedIndexChanged, AddressOf ComboBox_SelectedIndexChanged
                AddHandler cbo.SelectedIndexChanged, AddressOf ComboBox_SelectedIndexChanged
            End If
        End If
    End Sub