Lock CD_ROM(Very Important)

Hi, Since DeviceIOControl is part of the kernel32.dll, you can consider looking at platform invocation. Here is an example extracted from pinvoke.net! [DllImport("kernel32.dll", ExactSpelling = true, SetLastError = true, CharSet = CharSet.Auto)] static extern bool DeviceIoControl(IntPtr hDevice, uint dwIoControlCode, IntPtr lpInBuffer, uint nInBufferSize, IntPtr lpOutBuffer, uint nOutBufferSize, out uint lpBytesReturned, IntPtr lpOverlapped); Hint: For the 1st argument in the function above, you need to get the device handle. To achieve that, you need to use the CreateFile of kernel32.dll. Good luck. Cheers. Regards, Chua Wen Ching

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mibuyt21y ago
Hi, Since DeviceIOControl is part of the kernel32.dll, you can consider looking at platform invocation. Here is an example extracted from pinvoke.net! [DllImport("kernel32.dll", ExactSpelling = true, SetLastError = true, CharSet = CharSet.Auto)] static extern bool DeviceIoControl(IntPtr hDevice, uint dwIoControlCode, IntPtr lpInBuffer, uint nInBufferSize, IntPtr lpOutBuffer, uint nOutBufferSize, out uint lpBytesReturned, IntPtr lpOverlapped); Hint: For the 1st argument in the function above, you need to get the device handle. To achieve that, you need to use the CreateFile of kernel32.dll. Good luck. Cheers. Regards, Chua Wen Ching
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