Assembly : mscorlib (dans mscorlib.dll)
Syntaxe<SerializableAttribute> _ <ComVisibleAttribute(True)> _ Public Enumeration DateTimeKind
Dim instance As DateTimeKind
[SerializableAttribute] [ComVisibleAttribute(true)] public enum DateTimeKind
[SerializableAttribute] [ComVisibleAttribute(true)] public enum class DateTimeKind
/** @attribute SerializableAttribute() */ /** @attribute ComVisibleAttribute(true) */ public enum DateTimeKind
SerializableAttribute ComVisibleAttribute(true) public enum DateTimeKind
ExempleL'exemple de code suivant utilise la méthode SpecifyKind pour montrer comment la propriété Kind influence les méthodes de conversion ToLocalTime et ToUniversalTime.
' This code example demonstrates the DateTime Kind, Now, and ' UtcNow properties, and the SpecifyKind(), ToLocalTime(), ' and ToUniversalTime() methods. Imports System Class Sample Public Shared Sub Main() ' Get the date and time for the current moment, adjusted ' to the local time zone. Dim saveNow As DateTime = DateTime.Now ' Get the date and time for the current moment expressed ' as coordinated universal time (UTC). Dim saveUtcNow As DateTime = DateTime.UtcNow Dim myDt As DateTime ' Display the value and Kind property of the current moment ' expressed as UTC and local time. DisplayNow("UtcNow: ..........", saveUtcNow) DisplayNow("Now: .............", saveNow) Console.WriteLine() ' Change the Kind property of the current moment to ' DateTimeKind.Utc and display the result. myDt = DateTime.SpecifyKind(saveNow, DateTimeKind.Utc) Display("Utc: .............", myDt) ' Change the Kind property of the current moment to ' DateTimeKind.Local and display the result. myDt = DateTime.SpecifyKind(saveNow, DateTimeKind.Local) Display("Local: ...........", myDt) ' Change the Kind property of the current moment to ' DateTimeKind.Unspecified and display the result. myDt = DateTime.SpecifyKind(saveNow, DateTimeKind.Unspecified) Display("Unspecified: .....", myDt) End Sub 'Main ' Display the value and Kind property of a DateTime structure, the ' DateTime structure converted to local time, and the DateTime ' structure converted to universal time. Public Shared datePatt As String = "M/d/yyyy hh:mm:ss tt" Public Shared Sub Display(ByVal title As String, ByVal inputDt As DateTime) Dim dispDt As DateTime = inputDt Dim dtString As String ' Display the original DateTime. dtString = dispDt.ToString(datePatt) Console.WriteLine("{0} {1}, Kind = {2}", title, dtString, dispDt.Kind) ' Convert inputDt to local time and display the result. ' If inputDt.Kind is DateTimeKind.Utc, the conversion is performed. ' If inputDt.Kind is DateTimeKind.Local, the conversion is not performed. ' If inputDt.Kind is DateTimeKind.Unspecified, the conversion is ' performed as if inputDt was universal time. dispDt = inputDt.ToLocalTime() dtString = dispDt.ToString(datePatt) Console.WriteLine(" ToLocalTime: {0}, Kind = {1}", dtString, dispDt.Kind) ' Convert inputDt to universal time and display the result. ' If inputDt.Kind is DateTimeKind.Utc, the conversion is not performed. ' If inputDt.Kind is DateTimeKind.Local, the conversion is performed. ' If inputDt.Kind is DateTimeKind.Unspecified, the conversion is ' performed as if inputDt was local time. dispDt = inputDt.ToUniversalTime() dtString = dispDt.ToString(datePatt) Console.WriteLine(" ToUniversalTime: {0}, Kind = {1}", dtString, dispDt.Kind) Console.WriteLine() End Sub 'Display ' Display the value and Kind property for DateTime.Now and DateTime.UtcNow. Public Shared Sub DisplayNow(ByVal title As String, ByVal inputDt As DateTime) Dim dtString As String = inputDt.ToString(datePatt) Console.WriteLine("{0} {1}, Kind = {2}", title, dtString, inputDt.Kind) End Sub 'DisplayNow End Class 'Sample ' 'This code example produces the following results: ' 'UtcNow: .......... 5/6/2005 09:34:42 PM, Kind = Utc 'Now: ............. 5/6/2005 02:34:42 PM, Kind = Local ' 'Utc: ............. 5/6/2005 02:34:42 PM, Kind = Utc ' ToLocalTime: 5/6/2005 07:34:42 AM, Kind = Local ' ToUniversalTime: 5/6/2005 02:34:42 PM, Kind = Utc ' 'Local: ........... 5/6/2005 02:34:42 PM, Kind = Local ' ToLocalTime: 5/6/2005 02:34:42 PM, Kind = Local ' ToUniversalTime: 5/6/2005 09:34:42 PM, Kind = Utc ' 'Unspecified: ..... 5/6/2005 02:34:42 PM, Kind = Unspecified ' ToLocalTime: 5/6/2005 07:34:42 AM, Kind = Local ' ToUniversalTime: 5/6/2005 09:34:42 PM, Kind = Utc '
// This code example demonstrates the DateTime Kind, Now, and // UtcNow properties, and the SpecifyKind(), ToLocalTime(), // and ToUniversalTime() methods. using System; class Sample { public static void Main() { // Get the date and time for the current moment, adjusted // to the local time zone. DateTime saveNow = DateTime.Now; // Get the date and time for the current moment expressed // as coordinated universal time (UTC). DateTime saveUtcNow = DateTime.UtcNow; DateTime myDt; // Display the value and Kind property of the current moment // expressed as UTC and local time. DisplayNow("UtcNow: ..........", saveUtcNow); DisplayNow("Now: .............", saveNow); Console.WriteLine(); // Change the Kind property of the current moment to // DateTimeKind.Utc and display the result. myDt = DateTime.SpecifyKind(saveNow, DateTimeKind.Utc); Display("Utc: .............", myDt); // Change the Kind property of the current moment to // DateTimeKind.Local and display the result. myDt = DateTime.SpecifyKind(saveNow, DateTimeKind.Local); Display("Local: ...........", myDt); // Change the Kind property of the current moment to // DateTimeKind.Unspecified and display the result. myDt = DateTime.SpecifyKind(saveNow, DateTimeKind.Unspecified); Display("Unspecified: .....", myDt); } // Display the value and Kind property of a DateTime structure, the // DateTime structure converted to local time, and the DateTime // structure converted to universal time. public static string datePatt = @"M/d/yyyy hh:mm:ss tt"; public static void Display(string title, DateTime inputDt) { DateTime dispDt = inputDt; string dtString; // Display the original DateTime. dtString = dispDt.ToString(datePatt); Console.WriteLine("{0} {1}, Kind = {2}", title, dtString, dispDt.Kind); // Convert inputDt to local time and display the result. // If inputDt.Kind is DateTimeKind.Utc, the conversion is performed. // If inputDt.Kind is DateTimeKind.Local, the conversion is not performed. // If inputDt.Kind is DateTimeKind.Unspecified, the conversion is // performed as if inputDt was universal time. dispDt = inputDt.ToLocalTime(); dtString = dispDt.ToString(datePatt); Console.WriteLine(" ToLocalTime: {0}, Kind = {1}", dtString, dispDt.Kind); // Convert inputDt to universal time and display the result. // If inputDt.Kind is DateTimeKind.Utc, the conversion is not performed. // If inputDt.Kind is DateTimeKind.Local, the conversion is performed. // If inputDt.Kind is DateTimeKind.Unspecified, the conversion is // performed as if inputDt was local time. dispDt = inputDt.ToUniversalTime(); dtString = dispDt.ToString(datePatt); Console.WriteLine(" ToUniversalTime: {0}, Kind = {1}", dtString, dispDt.Kind); Console.WriteLine(); } // Display the value and Kind property for DateTime.Now and DateTime.UtcNow. public static void DisplayNow(string title, DateTime inputDt) { string dtString = inputDt.ToString(datePatt); Console.WriteLine("{0} {1}, Kind = {2}", title, dtString, inputDt.Kind); } } /* This code example produces the following results: UtcNow: .......... 5/6/2005 09:34:42 PM, Kind = Utc Now: ............. 5/6/2005 02:34:42 PM, Kind = Local Utc: ............. 5/6/2005 02:34:42 PM, Kind = Utc ToLocalTime: 5/6/2005 07:34:42 AM, Kind = Local ToUniversalTime: 5/6/2005 02:34:42 PM, Kind = Utc Local: ........... 5/6/2005 02:34:42 PM, Kind = Local ToLocalTime: 5/6/2005 02:34:42 PM, Kind = Local ToUniversalTime: 5/6/2005 09:34:42 PM, Kind = Utc Unspecified: ..... 5/6/2005 02:34:42 PM, Kind = Unspecified ToLocalTime: 5/6/2005 07:34:42 AM, Kind = Local ToUniversalTime: 5/6/2005 09:34:42 PM, Kind = Utc */
Plates-formesWindows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile pour Pocket PC, Windows Mobile pour Smartphone, Windows Server 2003, Windows XP Édition Media Center, Windows XP Professionnel Édition x64, Windows XP SP2, Windows XP Starter Edition
Le .NET Framework ne prend pas en charge toutes les versions de chaque plate-forme. Pour obtenir la liste des versions prises en charge, consultez Configuration requise.

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