本文整理汇总了C#中System.Runtime.InteropServices.StructLayoutAttribute.Pack字段的典型用法代码示例。如果您正苦于以下问题：C# StructLayoutAttribute.Pack字段的具体用法？C# StructLayoutAttribute.Pack怎么用？C# StructLayoutAttribute.Pack使用的例子？那么恭喜您, 这里精选的字段代码示例或许可以为您提供帮助。您也可以进一步了解该字段所在类System.Runtime.InteropServices.StructLayoutAttribute的用法示例。
在下文中一共展示了StructLayoutAttribute.Pack字段的8个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1:
//引入命名空间
using System;
struct ExampleStruct
{
public byte b1;
public byte b2;
public int i3;
}示例2: Main
//引入命名空间
using System;
using System.Runtime.InteropServices;
[StructLayout(LayoutKind.Sequential, Pack=0)]
struct ExampleStruct
{
public byte b1;
public byte b2;
public int i3;
}
public class Example
{
public unsafe static void Main()
{
ExampleStruct ex = new ExampleStruct();
byte* addr = (byte*) &ex;
Console.WriteLine("Size: {0}", sizeof(ExampleStruct));
Console.WriteLine("b1 Offset: {0}", &ex.b1 - addr);
Console.WriteLine("b2 Offset: {0}", &ex.b2 - addr);
Console.WriteLine("i3 Offset: {0}", (byte*) &ex.i3 - addr);
}
}输出：
Size: 8 b1 Offset: 0 b2 Offset: 1 i3 Offset: 4
示例3: Main
//引入命名空间
using System;
using System.Runtime.InteropServices;
[StructLayout(LayoutKind.Sequential, Pack=2)]
struct ExampleStruct
{
public byte b1;
public byte b2;
public int i3;
}
public class Example
{
public unsafe static void Main()
{
ExampleStruct ex = new ExampleStruct();
byte* addr = (byte*) &ex;
Console.WriteLine("Size: {0}", sizeof(ExampleStruct));
Console.WriteLine("b1 Offset: {0}", &ex.b1 - addr);
Console.WriteLine("b2 Offset: {0}", &ex.b2 - addr);
Console.WriteLine("i3 Offset: {0}", (byte*) &ex.i3 - addr);
}
}输出：
Size: 6 b1 Offset: 0 b2 Offset: 1 i3 Offset: 2
示例4: Main
//引入命名空间
using System;
using System.Runtime.InteropServices;
[StructLayout(LayoutKind.Sequential, Pack=4)]
struct ExampleStruct
{
public byte b1;
public byte b2;
public int i3;
}
public class Example
{
public unsafe static void Main()
{
ExampleStruct ex = new ExampleStruct();
byte* addr = (byte*) &ex;
Console.WriteLine("Size: {0}", sizeof(ExampleStruct));
Console.WriteLine("b1 Offset: {0}", &ex.b1 - addr);
Console.WriteLine("b2 Offset: {0}", &ex.b2 - addr);
Console.WriteLine("i3 Offset: {0}", (byte*) &ex.i3 - addr);
}
}输出：
Size: 8 b1 Offset: 0 b2 Offset: 1 i3 Offset: 4
示例5: Main
//引入命名空间
using System;
using System.Runtime.InteropServices;
[StructLayout(LayoutKind.Sequential, Pack=8)]
struct ExampleStruct
{
public byte b1;
public byte b2;
public int i3;
}
public class Example
{
public unsafe static void Main()
{
ExampleStruct ex = new ExampleStruct();
byte* addr = (byte*) &ex;
Console.WriteLine("Size: {0}", sizeof(ExampleStruct));
Console.WriteLine("b1 Offset: {0}", &ex.b1 - addr);
Console.WriteLine("b2 Offset: {0}", &ex.b2 - addr);
Console.WriteLine("i3 Offset: {0}", (byte*) &ex.i3 - addr);
}
}输出：
Size: 8 b1 Offset: 0 b2 Offset: 1 i3 Offset: 4
示例6: Main
//引入命名空间
using System;
using System.Runtime.InteropServices;
unsafe struct ExampleStruct2
{
public byte b1;
public byte b2;
public int i3;
public fixed byte a4[1];
public decimal d5;
}
public class Example
{
public unsafe static void Main()
{
ExampleStruct2 ex = new ExampleStruct2();
byte* addr = (byte*) &ex;
Console.WriteLine("Size: {0}", sizeof(ExampleStruct2));
Console.WriteLine("b1 Offset: {0}", &ex.b1 - addr);
Console.WriteLine("b2 Offset: {0}", &ex.b2 - addr);
Console.WriteLine("i3 Offset: {0}", (byte*) &ex.i3 - addr);
Console.WriteLine("a4 Offset: {0}", ex.a4 - addr);
Console.WriteLine("d5 Offset: {0}", (byte*) &ex.d5 - addr);
}
}输出：
Size: 28 b1 Offset: 0 b2 Offset: 1 i3 Offset: 4 a4 Offset: 8 d5 Offset: 12
示例7: Main
//引入命名空间
using System;
using System.Runtime.InteropServices;
[StructLayout(LayoutKind.Sequential, Pack = 2)]
unsafe struct ExampleStruct2
{
public byte b1;
public byte b2;
public int i3;
public fixed byte a4[1];
public decimal d5;
}
public class Example
{
public unsafe static void Main()
{
ExampleStruct2 ex = new ExampleStruct2();
byte* addr = (byte*) &ex;
Console.WriteLine("Size: {0}", sizeof(ExampleStruct2));
Console.WriteLine("b1 Offset: {0}", &ex.b1 - addr);
Console.WriteLine("b2 Offset: {0}", &ex.b2 - addr);
Console.WriteLine("i3 Offset: {0}", (byte*) &ex.i3 - addr);
Console.WriteLine("a4 Offset: {0}", ex.a4 - addr);
Console.WriteLine("d5 Offset: {0}", (byte*) &ex.d5 - addr);
}
}输出：
Size: 24 b1 Offset: 0 b2 Offset: 1 i3 Offset: 2 a4 Offset: 6 d5 Offset: 8
示例8: Main
//引入命名空间
using System;
using System.Runtime.InteropServices;
[StructLayout(LayoutKind.Sequential, Pack = 8)]
unsafe struct ExampleStruct2
{
public byte b1;
public byte b2;
public int i3;
public fixed byte a4[1];
public decimal d5;
}
public class Example
{
public unsafe static void Main()
{
ExampleStruct2 ex = new ExampleStruct2();
byte* addr = (byte*) &ex;
Console.WriteLine("Size: {0}", sizeof(ExampleStruct2));
Console.WriteLine("b1 Offset: {0}", &ex.b1 - addr);
Console.WriteLine("b2 Offset: {0}", &ex.b2 - addr);
Console.WriteLine("i3 Offset: {0}", (byte*) &ex.i3 - addr);
Console.WriteLine("a4 Offset: {0}", ex.a4 - addr);
Console.WriteLine("d5 Offset: {0}", (byte*) &ex.d5 - addr);
}
}输出：
Size: 28 b1 Offset: 0 b2 Offset: 1 i3 Offset: 4 a4 Offset: 8 d5 Offset: 12