50 lines
1.7 KiB
C#
50 lines
1.7 KiB
C#
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using System;
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using System.Runtime.InteropServices;
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namespace Helper
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{
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public static class ExceptionHelper
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{
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private const int E_NOTIMPL = unchecked((int)0x80004001);
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private const int E_OUTOFMEMORY = unchecked((int)0x8007000E);
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private const int E_INVALIDARG = unchecked((int)0x80070057);
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private const int E_POINTER = unchecked((int) 0x80004003);
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private const int E_PENDING = unchecked((int)0x8000000A);
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private const int E_FAIL = unchecked((int)0x80004005);
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public static void CheckLastError()
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{
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int hr = Marshal.GetLastWin32Error();
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if ((hr == E_PENDING) || (hr == E_FAIL))
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{
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// Ignore E_PENDING/E_FAIL - We use this to indicate no pending or missed frames
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return;
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}
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if (hr < 0)
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{
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Exception exception = Marshal.GetExceptionForHR(hr);
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string message = string.Format("This API has returned an exception from an HRESULT: 0x{0:X}", hr);
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switch (hr)
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{
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case E_NOTIMPL:
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throw new NotImplementedException(message, exception);
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case E_OUTOFMEMORY:
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throw new OutOfMemoryException(message, exception);
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case E_INVALIDARG:
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throw new ArgumentException(message, exception);
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case E_POINTER:
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throw new ArgumentNullException(message, exception);
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default:
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throw new InvalidOperationException(message, exception);
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}
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}
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}
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}
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}
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