accessviolationexception_c#调用c dll命名空间_oleaut32.dll拒绝访问

频繁操作导致程序崩溃，异常如下：

System.AccessViolationException:尝试读取或写入受保护的内存。accessviolationexception这通常指示其他内存已损坏。

在System.Windows.Forms.UnsafeNativeMethods.DispatchMessageW(MSG&msg)

在System.Windows.Forms.Application.ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop(Int32dwComponentID,Int32reason,Int32pvLoopData)

在System.Windows.Forms.Application.ThreadContext.RunMessageLoopInner(Int32reason,ApplicationContextcontext)

在System.Windows.Forms.Application.ThreadContext.RunMessageLoop(Int32reason,ApplicationContextcontext)

在System.Windows.Forms.Application.Run(FormmainForm)

在NPEMain.App.Program.Main(String[]args)

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