程序集构建的当前状态。（只读）
Returns AssemblyBuilderStatus.NotStarted before AssemblyBuilder.Build has been called.
Returns AssemblyBuilderStatus.IsCompiling during build and AssemblyBuilderStatus.Finished once the build finishes.
允许在主线程上的循环中访问此属性，直到返回 AssemblyBuilderStatus.Finished。这将在构建结束前阻隔主线程。
另请参阅：AssemblyBuilder.Build。