针对SoundViewer声波显示出现Audio exception System.NullReferenceException: Object reference not set to an ins
2017-03-23 08:43
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我在资源区上传的SoundViewer demo 出现的异常:
2017/3/23 8:09:30 : Audio exception
System.NullReferenceException: Object reference not set to an instance of an object.
at SoundViewer.WaveNative.waveInOpen(IntPtr& phwi, Int32 uDeviceID, WaveFormat lpFormat, WaveDelegate dwCallback, Int32 dwInstance, Int32 dwFlags)
at SoundViewer.WaveInRecorder..ctor(Int32 device, WaveFormat format, Int32 bufferSize, Int32 bufferCount, BufferDoneEventHandler doneProc) in C:\Users\liuku\Downloads\SoundViewerSource\SoundViewer\WaveIn.cs:line 145
at SoundViewer.Form1.Start() in C:\Users\liuku\Downloads\SoundViewerSource\SoundViewer\Form1.cs:line 69
这个demo是基于C# 开发的,能实时显示声音波纹效果。
针对此异常,我找到了解决方案,在生成(B)>>配置管理器(O)>>活动解决方案平台(P)>>新建>>选择X86>>点击确定>>点击关闭。然后运行即可解决软件运行抛出异常的问题;
希望此解决方案以及源代码能为有需求的得到帮助;
2017/3/23 8:09:30 : Audio exception
System.NullReferenceException: Object reference not set to an instance of an object.
at SoundViewer.WaveNative.waveInOpen(IntPtr& phwi, Int32 uDeviceID, WaveFormat lpFormat, WaveDelegate dwCallback, Int32 dwInstance, Int32 dwFlags)
at SoundViewer.WaveInRecorder..ctor(Int32 device, WaveFormat format, Int32 bufferSize, Int32 bufferCount, BufferDoneEventHandler doneProc) in C:\Users\liuku\Downloads\SoundViewerSource\SoundViewer\WaveIn.cs:line 145
at SoundViewer.Form1.Start() in C:\Users\liuku\Downloads\SoundViewerSource\SoundViewer\Form1.cs:line 69
这个demo是基于C# 开发的,能实时显示声音波纹效果。
针对此异常,我找到了解决方案,在生成(B)>>配置管理器(O)>>活动解决方案平台(P)>>新建>>选择X86>>点击确定>>点击关闭。然后运行即可解决软件运行抛出异常的问题;
希望此解决方案以及源代码能为有需求的得到帮助;
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