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'
' LongType.vb
'
' Author:
' Mizrahi Rafael (rafim@mainsoft.com)
' Guy Cohen (guyc@mainsoft.com)
'
' Copyright (C) 2002-2006 Mainsoft Corporation.
' Copyright (C) 2004-2006 Novell, Inc (http://www.novell.com)
'
' Permission is hereby granted, free of charge, to any person obtaining
' a copy of this software and associated documentation files (the
' "Software"), to deal in the Software without restriction, including
' without limitation the rights to use, copy, modify, merge, publish,
' distribute, sublicense, and/or sell copies of the Software, and to
' permit persons to whom the Software is furnished to do so, subject to
' the following conditions:
'
' The above copyright notice and this permission notice shall be
' included in all copies or substantial portions of the Software.
'
' THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
' EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
' MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
' NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
' LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
' OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
' WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Imports System
Namespace Microsoft.VisualBasic.CompilerServices
<System.ComponentModel.EditorBrowsable(ComponentModel.EditorBrowsableState.Never)> _
Public NotInheritable Class LongType
Private Sub New()
'Nobody should see constructor
End Sub
Public Shared Function FromObject(ByVal Value As Object) As Long
'implicit casting of Nothing returns 0
If Value Is Nothing Then
Return 0
End If
If TypeOf Value Is Boolean Then
Return ((-1L) * (Convert.ToInt64(Value)))
End If
Return Convert.ToInt64(Value)
End Function
Public Shared Function FromString(ByVal value As String) As Long
'implicit casting of Nothing returns 0
If value Is Nothing Then
Return 0
End If
Try
Return Convert.ToInt64(DecimalType.FromString(value))
Catch ex As Exception
Throw New InvalidCastException(String.Format(Utils.GetResourceString("CastFromStringToType"), value, "Long"), ex)
End Try
End Function
End Class
End Namespace
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