我用c#写了一个低级键盘系统钩子并编译成dll文件导入到一个winform里面，在运行一段时间后，一按任意键，程序就会抛出
A first chance exception of type 'System.AccessViolationException' occurred in Unknown Module.
An unhandled exception of type 'System.AccessViolationException' occurred in Unknown Module.Additional information: Attempted to read or write protected memory. This is often an indication that other memory is corrupt.The program '[2360] ScreenSaver.exe: Managed' has exited with code -1073741819 (0xc0000005)
A first chance exception of type 'System.AccessViolationException' occurred in Unknown Module.
An unhandled exception of type 'System.AccessViolationException' occurred in Unknown Module.Additional information: Attempted to read or write protected memory. This is often an indication that other memory is corrupt.The program '[2360] ScreenSaver.exe: Managed' has exited with code -1073741819 (0xc0000005)
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