问题 提问于 2019年12月20日
Hi, I have some old MSWMM files that I have found, I have followed all of the advice given on this site but when I go to play the file there is no picture or sound but WMM is showing the total time of the file and it plays
When you look at the thumbnail of the time line all of them have a red x in them which they never use to have
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