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在vs2019编译,提示: '“IAsyncOperation<StorageFile>”不包含“GetAwaiter”的定义,并且找不到可接受类型为“IAsyncOperation<StorageFile>”的第一个参数的扩展方法“GetAwaiter”(是否缺少针对“System”的 using 指令?)
代码上已经using System;了
The text was updated successfully, but these errors were encountered:
在vs2019编译,提示:
'“IAsyncOperation<StorageFile>”不包含“GetAwaiter”的定义,并且找不到可接受类型为“IAsyncOperation<StorageFile>”的第一个参数的扩展方法“GetAwaiter”(是否缺少针对“System”的 using 指令?)
代码上已经using System;了
The text was updated successfully, but these errors were encountered: