Code Snippet

首先必要條件方法是：OOB + elevated trust存取COM(感謝黃忠成老師的這篇文章)

其實方法很簡單，就只是知不知道而以...code如下

using System.Runtime.InteropServices.Automation;
// ...
dynamic binStream = AutomationFactory.CreateObject("ADODB.Stream");
binStream.Type = 1;
binStream.Open();
binStream.LoadFromFile("C:\\test.mp4");
dynamic bytes = binStream.Read();
MemoryStream ms = new MemoryStream(bytes);
mediaElement1.SetSource(ms);