HttpContentOnBuildingContentTWriter 方法
            抽象方法,由子类实现,用于构建HTTP响应的内容
            
命名空间: TouchSocket.Http程序集: TouchSocket.Http (在 TouchSocket.Http.dll 中) 版本:4.0.0-beta.143+5fcca7a4e70968794985dc3793adc50531308be6
protected abstract bool OnBuildingContent<TWriter>(
	ref TWriter writer
)
where TWriter : IBytesWriter
Protected MustOverride Function OnBuildingContent(Of TWriter As IBytesWriter) ( 
	ByRef writer As TWriter
) As Boolean
abstract OnBuildingContent : 
        writer : 'TWriter byref -> bool  when 'TWriter : IBytesWriter
- writer  TWriter
 - 字节块的引用
 
- TWriter
 - 实现IByteBlock接口的类型
 
Boolean返回一个布尔值,表示构建内容是否成功