AForge "failed to load the file or assembly" aforge.video.ffmpeg.dll "or one of its dependencies. The specified module cannot be found "

problem ： The file or assembly could not be loaded “AForge.Video.FFMPEG.dll” Or one of its dependencies . The specified module was not found .
1.Aforge.Net Subproject has AForge.Video.VFW Provide for the right to Avi Operation of file ,AForge A sub project is added later AForge.Video.FFMPEG adopt FFmpeg library , Provides support for a large number of video formats , We all know ,FFmpeg Is a very powerful video processing class library , It's also open source , however AForge.Video.FFMPEG It's still in the experimental stage , The goal is to use FFmpeg replace AForge.Video.VFW Provide a better library for video file operation , However, the library value currently provides reading and writing of video data , It does not support reading and writing audio files , May support in the future

In use AForge.Video.FFMpeg when , Add pair AForge.Video.FFMPEG.dll, AForge.Video.dll and AForge.dll Three dll References to
　　
If not, it is because of the lack of FFmpeg Related library files ,
2. We need to take FFmpeg Copy relevant files to Debug Under the table of contents （AForge.NET\Framework\Externals\ffmpeg\bin All under the path dll）

If it doesn't ：
3.
Modify the configuration manager
Solution right click on Configuration Manager , The activity plan platform includes x86 choose X86, New if not （ Or edit -> Remove and then create , Because it's possible that there x86 Settings are replicated Any CPU Of ）, New words here —–> The copy setting here is ” empty ”（ Focus on ！！！ That's why I haven't succeeded ）,
If not , And what happens to happen is the following similar problems
Mixed mode assemblies are for “v2.0.50727” Version of the runtime , Without configuring other information , Cannot be in 4.0 Load the assembly from the runtime .
4.
Open the problem solving Explorer on the right App.config
Replace the code inside with the following code ：

<?xml version="1.0"?>
<configuration>
  <startup useLegacyV2RuntimeActivationPolicy="true">
    <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0"/>
    <supportedRuntime version="v2.0.50727"/>
  </startup>
</configuration>