我使用 ILSpy 和 .NET Reflector 来查看代码，发现代码我不理解，我在网上搜索，但没有发现任何 1 可以帮助解决它。此代码与 ILSpy（.NET Reflector 显示相同）
private void Item_Clicked(object sender, EventArgs e)
{
switch (0)
{
case 0:
{
IL_0E:
FileSystemItem fileSystemItem;
while (true)
{
fileSystemItem = (sender as FileSystemItem);
int num = 1;
while (true)
{
switch (num)
{
case 0:
if (<PrivateImplementationDetails>{4E2292E7-C82C-431F-9529-B0045F4C1457}.$$method0x60003e4-1 != null)
{
goto IL_25F;
}
if (true)
{
IL_163:
num = 3;
continue;
}
goto IL_163;
case 1:
if (fileSystemItem != null)
{
num = 11;
continue;
}
return;
case 2:
goto IL_3B8;
case 3:
{
Dictionary<string, int> expr_1B9 = new Dictionary<string, int>(9);
expr_1B9.Add(".mp3", 0);
expr_1B9.Add(".wav", 1);
expr_1B9.Add(".wma", 2);
expr_1B9.Add(".wmv", 3);
expr_1B9.Add(".avi", 4);
expr_1B9.Add(".jpg", 5);
expr_1B9.Add(".png", 6);
expr_1B9.Add(".txt", 7);
expr_1B9.Add(".inf", 8);
<PrivateImplementationDetails>{4E2292E7-C82C-431F-9529-B0045F4C1457}.$$method0x60003e4-1 = expr_1B9;
num = 15;
continue;
}
case 4:
{
string ext;
if ((ext = fileSystemItem.Ext) != null)
{
num = 8;
continue;
}
return;
}
case 5:
goto IL_2C9;
case 6:
num = 12;
continue;
case 7:
{
string ext;
int num2;
if (<PrivateImplementationDetails>{4E2292E7-C82C-431F-9529-B0045F4C1457}.$$method0x60003e4-1.TryGetValue(ext, ref num2))
{
num = 6;
continue;
}
return;
}
case 8:
num = 0;
continue;
case 9:
goto IL_25A;
case 10:
goto IL_36A;
case 11:
num = 14;
continue;
case 12:
{
int num2;
switch (num2)
{
case 0:
case 1:
case 2:
num = 16;
continue;
case 3:
case 4:
goto IL_171;
case 5:
case 6:
goto IL_1A4;
case 7:
case 8:
this.ShowText(fileSystemItem.Path);
num = 9;
continue;
default:
num = 13;
continue;
}
break;
}
case 13:
return;
case 14:
if (fileSystemItem.IsFolder)
{
switch ((1 == 1) ? 1 : 0)
{
case 0:
case 2:
goto IL_36F;
case 1:
IL_2B7:
if (false)
{
IL_2BD:
num = 5;
continue;
}
goto IL_2BD;
}
goto IL_2B7;
}
num = 4;
continue;
case 15:
goto IL_25F;
case 16:
if (fileSystemItem.IsPlaying)
{
num = 10;
continue;
}
goto IL_36F;
}
break;
IL_25F:
num = 7;
continue;
IL_36F:
BackgroundAudioPlayer.get_Instance().set_Track(new AudioTrack(new Uri(fileSystemItem.Path, 2), "Unknown", "Unknown", "Unknown", null));
IEnumerator<object> enumerator = this.filesListBox.get_Items().GetEnumerator();
num = 2;
}
}
IL_131:
BackgroundAudioPlayer.get_Instance().Stop();
fileSystemItem.IsPlaying = false;
return;
IL_171:
MediaPlayerLauncher mediaPlayerLauncher = new MediaPlayerLauncher();
mediaPlayerLauncher.set_Media(new Uri(fileSystemItem.Path, 2));
mediaPlayerLauncher.set_Location(2);
mediaPlayerLauncher.Show();
return;
IL_1A4:
this.ShowImage(fileSystemItem.Path);
return;
IL_25A:
return;
IL_2C9:
this.ShowFolderContents(fileSystemItem.Path);
return;
IL_36A:
goto IL_131;
IL_3B8:
try
{
int num = 2;
while (true)
{
switch (num)
{
case 0:
num = 1;
continue;
case 1:
goto IL_EC;
case 3:
{
IEnumerator<object> enumerator;
if (!enumerator.MoveNext())
{
num = 0;
continue;
}
FileSystemItem fileSystemItem2 = (FileSystemItem)enumerator.get_Current();
fileSystemItem2.IsPlaying = false;
num = 4;
continue;
}
}
IL_A7:
num = 3;
continue;
goto IL_A7;
}
IL_EC:
goto IL_23A;
}
finally
{
int num = 2;
while (true)
{
IEnumerator<object> enumerator;
switch (num)
{
case 0:
goto IL_12E;
case 1:
enumerator.Dispose();
num = 0;
continue;
}
if (enumerator == null)
{
break;
}
num = 1;
}
IL_12E:;
}
goto IL_131;
IL_23A:
fileSystemItem.IsPlaying = true;
return;
}
}
goto IL_0E;
}
这个字典的错误告诉我这个错误
<PrivateImplementationDetails>{4E2292E7-C82C-431F-9529-B0045F4C1457}.$$method0x60003e4-1
那么，这是什么？我该如何解决？我需要用另一个变量替换它还是什么？