Mega Code Archive
Native SizeOf
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using System;
using System.Text;
using System.Runtime.InteropServices;
namespace xPlatform
{
public static class Utilities
{
public static unsafe int NativeSizeOf(Type targetType)
{
if (targetType == null)
throw new ArgumentNullException("targetType");
string targetTypeName = targetType.FullName;
switch (targetTypeName)
{
case "System.Char":
return sizeof(char);
case "System.Boolean":
return sizeof(bool);
case "System.Byte":
return sizeof(byte);
case "System.DateTime":
return sizeof(DateTime);
case "System.Decimal":
return sizeof(decimal);
case "System.Double":
return sizeof(double);
case "System.Guid":
return sizeof(Guid);
case "System.Int16":
return sizeof(short);
case "System.Int32":
return sizeof(int);
case "System.Int64":
return sizeof(long);
case "System.IntPtr":
return sizeof(IntPtr);
case "System.SByte":
return sizeof(sbyte);
case "System.Single":
return sizeof(float);
case "System.TimeSpan":
return sizeof(TimeSpan);
case "System.UInt16":
return sizeof(ushort);
case "System.UInt32":
return sizeof(uint);
case "System.UInt64":
return sizeof(ulong);
case "System.UIntPtr":
return sizeof(UIntPtr);
default:
return Marshal.SizeOf(targetType);
}
}
public static byte GetHighByte(int word)
{
return (byte)((uint)word >> 8);
}
public static byte GetLowByte(int word)
{
return (byte)((uint)word & 0xff);
}
public static int GetHighWord(long doubleWord)
{
return (ushort)((uint)doubleWord >> 16);
}
public static int GetLowWord(long doubleWord)
{
return (ushort)((uint)doubleWord & 0xffff);
}
public static int MakeWord(byte lowByte, byte highByte)
{
return (ushort)((byte)lowByte | (ushort)((byte)highByte) << 8);
}
public static long MakeLong(int lowWord, int highWord)
{
return (long)((ushort)lowWord | (uint)(ushort)highWord << 16);
}
}
}
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