Buffer 类
定义
重要
一些信息与预发行产品相关,相应产品在发行之前可能会进行重大修改。 对于此处提供的信息,Microsoft 不作任何明示或暗示的担保。
public ref class Buffer sealed : IBuffer
/// [Windows.Foundation.Metadata.Activatable(Windows.Storage.Streams.IBufferFactory, 65536, Windows.Foundation.UniversalApiContract)]
/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 65536)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
/// [Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
class Buffer final : IBuffer
/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 65536)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
/// [Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
/// [Windows.Foundation.Metadata.Activatable(Windows.Storage.Streams.IBufferFactory, 65536, "Windows.Foundation.UniversalApiContract")]
class Buffer final : IBuffer
[Windows.Foundation.Metadata.Activatable(typeof(Windows.Storage.Streams.IBufferFactory), 65536, typeof(Windows.Foundation.UniversalApiContract))]
[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 65536)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
[Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
public sealed class Buffer : IBuffer
[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 65536)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
[Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
[Windows.Foundation.Metadata.Activatable(typeof(Windows.Storage.Streams.IBufferFactory), 65536, "Windows.Foundation.UniversalApiContract")]
public sealed class Buffer : IBuffer
function Buffer(capacity)
Public NotInheritable Class Buffer
Implements IBuffer
- 继承
- 属性
- 实现
Windows 要求
设备系列 |
Windows 10 (在 10.0.10240.0 中引入)
|
API contract |
Windows.Foundation.UniversalApiContract (在 v1.0 中引入)
|
注解
有关详细信息,请参阅 创建、写入和读取文件,其中演示如何使用 Buffer 读取和写入文件字节。
构造函数
Buffer(UInt32) |
使用指定的容量初始化 Buffer 类的新实例。 |
属性
Capacity |
获取缓冲区可以容纳的最大字节数。 |
Length |
获取缓冲区中当前正在使用的字节数。 |
方法
CreateCopyFromMemoryBuffer(IMemoryBuffer) |
创建包含指定缓冲区副本的新缓冲区。 |
CreateMemoryBufferOverIBuffer(IBuffer) |
从现有 IBuffer 创建 MemoryBuffer。 |