TLDR: I'm trying to call async callbacks from a .Net COM dll to Delphi client .exe, but these does not seem to work properly in registration-free COM, while synchronous callbacks do work, and also async callbacks are working when it's not a reg-free COM.: I'm trying to call async callbacks from a
阅读背景：
从.Net COM dll到无需注册（并排）COM的Delphi客户端的回调
来源：互联网
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