Fix unexpected crash from background music

[SadPencil]

To prevent crash like this one:

(in this log file, please subtract line numbers of MainMenu.cs by 12 when viewing on the latest commit af7e44f)

12.03. 12:01:55.672    GameProcessLogic: Process started.
12.03. 12:01:56.402    Waiting for qres.dat or Syringe.exe to exit.
12.03. 12:11:17.215    GameProcessLogic: Process exited.
12.03. 12:11:21.195    KABOOOOOOM!!! Info:
12.03. 12:11:21.195    Type: System.Reflection.TargetInvocationException
12.03. 12:11:21.195    Message: Exception has been thrown by the target of an invocation.
12.03. 12:11:22.055    Source: mscorlib
12.03. 12:11:22.055    TargetSite.Name: InvokeMethod
12.03. 12:11:22.105    Stacktrace:    at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor)
   at System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments)
   at System.Delegate.DynamicInvokeImpl(Object[] args)
   at Rampastring.XNAUI.XNAControls.XNAControl.Update(GameTime gameTime)
   at Rampastring.XNAUI.XNAControls.XNAPanel.Update(GameTime gameTime)
   at DTAClient.DXGUI.Generic.MainMenu.Update(GameTime gameTime) in DXMainClient\DXGUI\Generic\MainMenu.cs:line 925
   at Rampastring.XNAUI.WindowManager.Update(GameTime gameTime)
   at Microsoft.Xna.Framework.Game.SortingFilteringCollection`1.ForEachFilteredItem[TUserData](Action`2 action, TUserData userData)
   at Microsoft.Xna.Framework.Game.DoUpdate(GameTime gameTime)
   at Microsoft.Xna.Framework.Game.Tick()
   at MonoGame.Framework.WinFormsGameWindow.TickOnIdle(Object sender, EventArgs e)
   at System.Windows.Forms.Application.ThreadContext.System.Windows.Forms.UnsafeNativeMethods.IMsoComponent.FDoIdle(Int32 grfidlef)
   at System.Windows.Forms.Application.ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop(IntPtr dwComponentID, Int32 reason, Int32 pvLoopData)
   at System.Windows.Forms.Application.ThreadContext.RunMessageLoopInner(Int32 reason, ApplicationContext context)
   at System.Windows.Forms.Application.ThreadContext.RunMessageLoop(Int32 reason, ApplicationContext context)
   at MonoGame.Framework.WinFormsGameWindow.RunLoop()
   at Microsoft.Xna.Framework.Game.Run(GameRunBehavior runBehavior)
   at DTAClient.Startup.Execute() in DXMainClient\Startup.cs:line 159
   at DTAClient.PreStartup.Initialize(StartupParams parameters) in DXMainClient\PreStartup.cs:line 218
12.03. 12:11:22.105    InnerException info:
12.03. 12:11:22.105    Type: SharpDX.SharpDXException
12.03. 12:11:22.105    Message: HRESULT: [0xC00D4E86], Module: [Unknown], ApiCode: [Unknown/Unknown], Message: Unknown
12.03. 12:11:22.165    Source: SharpDX
12.03. 12:11:22.165    TargetSite.Name: CheckError
12.03. 12:11:22.185    Stacktrace:    at SharpDX.Result.CheckError()
   at SharpDX.MediaFoundation.AudioStreamVolume.GetChannelCount(Int32& dwCountRef)
   at Microsoft.Xna.Framework.Media.MediaPlayer.SetChannelVolumes()
   at Microsoft.Xna.Framework.Media.MediaPlayer.set_Volume(Single value)
   at DTAClient.DXGUI.Generic.MainMenu.PlayMusic() in DXMainClient\DXGUI\Generic\MainMenu.cs:line 948
   at DTAClient.DXGUI.Generic.MainMenu.HandleGameProcessExited() in DXMainClient\DXGUI\Generic\MainMenu.cs:line 908

[github-actions]

Nightly build for this pull request:

• artifacts-TS.zip
• artifacts-Ares.zip
• artifacts-YR.zip
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[MahBoiDeveloper]

Can you describe how to repeat this bug before your bugfix?

[11EJDE11]

Probably this on Discord.

[SadPencil]

Can you describe how to repeat this bug before your bugfix?

Can't. A buggy machine maybe, but worth a fix in codes.

[SadPencil]

Probably this on Discord.

No. The screenshot you mentioned is another issue caused by handling cross-platform BGM support. Summarized in #693

[Metadorius]

Not sure of the fix method exactly but let's try.