LCIDConversionAttribute Class
.NET Framework 2.0
Indicates that a method's unmanaged signature expects a locale identifier (LCID) parameter.
Namespace: System.Runtime.InteropServices
Assembly: mscorlib (in mscorlib.dll)
Assembly: mscorlib (in mscorlib.dll)
'Declaration <ComVisibleAttribute(True)> _ <AttributeUsageAttribute(AttributeTargets.Method, Inherited:=False)> _ Public NotInheritable Class LCIDConversionAttribute Inherits Attribute 'Usage Dim instance As LCIDConversionAttribute
/** @attribute ComVisibleAttribute(true) */ /** @attribute AttributeUsageAttribute(AttributeTargets.Method, Inherited=false) */ public final class LCIDConversionAttribute extends Attribute
ComVisibleAttribute(true) AttributeUsageAttribute(AttributeTargets.Method, Inherited=false) public final class LCIDConversionAttribute extends Attribute
The following example demonstrates different signature translations based on different values supplied to LCIDConversionAttribute.
Imports System Imports System.Runtime.InteropServices Imports System.Reflection Class LCIDAttrSampler Const LCID_INSTALLED As Integer = 1 Const LCID_SUPPORTED As Integer = 2 <DllImport("KERNEL32.DLL", EntryPoint:="IsValidLocale", _ SetLastError:=True, CharSet:=CharSet.Unicode, _ CallingConvention:=CallingConvention.StdCall), _ LCIDConversionAttribute(0)> _ Public Shared Function IsValidLocale(ByVal dwFlags As Integer) As Boolean End Function Public Sub CheckCurrentLCID() Dim mthIfo As MethodInfo = Me.GetType().GetMethod("IsValidLocale") Dim attr As Attribute = Attribute.GetCustomAttribute(mthIfo, GetType(LCIDConversionAttribute)) If Not(attr Is Nothing) Then Dim lcidAttr As LCIDConversionAttribute = CType(attr, LCIDConversionAttribute) Console.WriteLine("Position of the LCID argument in the unmanaged signature: " + lcidAttr.Value.ToString()) End If Dim res As Boolean = IsValidLocale(LCID_INSTALLED) Console.WriteLine("Result LCID_INSTALLED " + res.ToString()) res = IsValidLocale(LCID_SUPPORTED) Console.WriteLine("Result LCID_SUPPORTED " + res.ToString()) End Sub Public Shared Sub Main() Dim smpl As LCIDAttrSampler = New LCIDAttrSampler() smpl.CheckCurrentLCID() End Sub End Class
import System.*;
import System.Runtime.InteropServices.*;
import System.Reflection.*;
class LCIDAttrSample
{
private static final int LCID_INSTALLED = 1;
private static final int LCID_SUPPORTED = 2;
/** @attribute DllImport("KERNEL32.DLL", EntryPoint = "IsValidLocale",
SetLastError = true, CharSet = CharSet.Auto)
*/
/** @attribute LCIDConversionAttribute(0)
*/
public static native boolean IsValidLocale(int dwFlags);
// Position of the LCID argument options
public void CheckCurrentLCID()
{
MethodInfo mthIfo = this.GetType().GetMethod("IsValidLocale");
Attribute attr = Attribute.GetCustomAttribute(mthIfo,
LCIDConversionAttribute.class.ToType());
if (attr != null) {
LCIDConversionAttribute lcidAttr = (LCIDConversionAttribute)attr;
Console.WriteLine("Position of the LCID argument in the unmanaged "
+ "signature: "
+ System.Convert.ToString(lcidAttr.get_Value()));
}
boolean res = IsValidLocale(LCID_INSTALLED);
Console.WriteLine("Result LCID_INSTALLED "
+ System.Convert.ToString(res));
res = IsValidLocale(LCID_SUPPORTED);
Console.WriteLine("Result LCID_SUPPORTED "
+ System.Convert.ToString(res));
} //CheckCurrentLCID
public static void main(String[] args)
{
LCIDAttrSample smpl = new LCIDAttrSample();
smpl.CheckCurrentLCID();
} //main
} //LCIDAttrSample
Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.
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