using System; using System.ComponentModel; using System.Diagnostics.CodeAnalysis; using System.Globalization; using System.Reflection; using System.Runtime.InteropServices; namespace Standard; [StructLayout(LayoutKind.Explicit)] internal struct HRESULT { public HRESULT(uint i) { this._value = i; } public static HRESULT Make(bool severe, Facility facility, int code) { return new HRESULT((uint) ((severe ? (Facility) (-2147483648) : Facility.Null) | (Facility) ((int) facility << 16) | (Facility) code)); } public Facility Facility { get { return HRESULT.GetFacility((int) this._value); } } public static Facility GetFacility(int errorCode) { return (Facility) (errorCode >> 16 & 8191); } public int Code { get { return HRESULT.GetCode((int) this._value); } } public static int GetCode(int error) { return error & 65535; } public override string ToString() { foreach (FieldInfo fieldInfo in typeof(HRESULT).GetFields(BindingFlags.Static | BindingFlags.Public)) { if (fieldInfo.FieldType == typeof(HRESULT)) { HRESULT hrLeft = (HRESULT) fieldInfo.GetValue(null); if (hrLeft == this) { return fieldInfo.Name; } } } if (this.Facility == Facility.Win32) { foreach (FieldInfo fieldInfo2 in typeof(Win32Error).GetFields(BindingFlags.Static | BindingFlags.Public)) { if (fieldInfo2.FieldType == typeof(Win32Error)) { Win32Error error = (Win32Error) fieldInfo2.GetValue(null); if ((HRESULT) error == this) { return "HRESULT_FROM_WIN32(" + fieldInfo2.Name + ")"; } } } } return string.Format(CultureInfo.InvariantCulture, "0x{0:X8}", new object[] { this._value }); } public override bool Equals(object obj) { bool result; try { result = (((HRESULT) obj)._value == this._value); } catch (InvalidCastException) { result = false; } return result; } public override int GetHashCode() { return this._value.GetHashCode(); } public static bool operator ==(HRESULT hrLeft, HRESULT hrRight) { return hrLeft._value == hrRight._value; } public static bool operator !=(HRESULT hrLeft, HRESULT hrRight) { return !(hrLeft == hrRight); } public bool Succeeded { get { return this._value >= 0u; } } public bool Failed { get { return this._value < 0u; } } public void ThrowIfFailed() { this.ThrowIfFailed(null); } [SuppressMessage("Microsoft.Usage", "CA2201:DoNotRaiseReservedExceptionTypes", Justification = "Only recreating Exceptions that were already raised.")] [SuppressMessage("Microsoft.Security", "CA2122:DoNotIndirectlyExposeMethodsWithLinkDemands")] public void ThrowIfFailed(string message) { if (this.Failed) { if (string.IsNullOrEmpty(message)) { message = this.ToString(); } Exception ex = Marshal.GetExceptionForHR((int) this._value, new IntPtr(-1)); if (ex.GetType() == typeof(COMException)) { Facility facility = this.Facility; if (facility == Facility.Win32) { ex = new Win32Exception(this.Code, message); } else { ex = new COMException(message, (int) this._value); } } else { ConstructorInfo constructor = ex.GetType().GetConstructor(new Type[] { typeof(string) }); if (null != constructor) { ex = (constructor.Invoke(new object[] { message }) as Exception); } } throw ex; } } public static void ThrowLastError() { ((HRESULT) Win32Error.GetLastError()).ThrowIfFailed(); } [FieldOffset(0)] private readonly uint _value; [SuppressMessage("Microsoft.Performance", "CA1823:AvoidUnusedPrivateFields")] public static readonly HRESULT S_OK = new HRESULT(0u); [SuppressMessage("Microsoft.Performance", "CA1823:AvoidUnusedPrivateFields")] public static readonly HRESULT S_FALSE = new HRESULT(1u); [SuppressMessage("Microsoft.Performance", "CA1823:AvoidUnusedPrivateFields")] public static readonly HRESULT E_PENDING = new HRESULT(2147483658u); [SuppressMessage("Microsoft.Performance", "CA1823:AvoidUnusedPrivateFields")] public static readonly HRESULT E_NOTIMPL = new HRESULT(2147500033u); [SuppressMessage("Microsoft.Performance", "CA1823:AvoidUnusedPrivateFields")] public static readonly HRESULT E_NOINTERFACE = new HRESULT(2147500034u); [SuppressMessage("Microsoft.Performance", "CA1823:AvoidUnusedPrivateFields")] public static readonly HRESULT E_POINTER = new HRESULT(2147500035u); [SuppressMessage("Microsoft.Performance", "CA1823:AvoidUnusedPrivateFields")] public static readonly HRESULT E_ABORT = new HRESULT(2147500036u); [SuppressMessage("Microsoft.Performance", "CA1823:AvoidUnusedPrivateFields")] public static readonly HRESULT E_FAIL = new HRESULT(2147500037u); [SuppressMessage("Microsoft.Performance", "CA1823:AvoidUnusedPrivateFields")] public static readonly HRESULT E_UNEXPECTED = new HRESULT(2147549183u); [SuppressMessage("Microsoft.Performance", "CA1823:AvoidUnusedPrivateFields")] public static readonly HRESULT STG_E_INVALIDFUNCTION = new HRESULT(2147680257u); [SuppressMessage("Microsoft.Performance", "CA1823:AvoidUnusedPrivateFields")] public static readonly HRESULT REGDB_E_CLASSNOTREG = new HRESULT(2147746132u); [SuppressMessage("Microsoft.Performance", "CA1823:AvoidUnusedPrivateFields")] public static readonly HRESULT DESTS_E_NO_MATCHING_ASSOC_HANDLER = new HRESULT(2147749635u); [SuppressMessage("Microsoft.Performance", "CA1823:AvoidUnusedPrivateFields")] public static readonly HRESULT DESTS_E_NORECDOCS = new HRESULT(2147749636u); [SuppressMessage("Microsoft.Performance", "CA1823:AvoidUnusedPrivateFields")] public static readonly HRESULT DESTS_E_NOTALLCLEARED = new HRESULT(2147749637u); [SuppressMessage("Microsoft.Performance", "CA1823:AvoidUnusedPrivateFields")] public static readonly HRESULT E_ACCESSDENIED = new HRESULT(2147942405u); [SuppressMessage("Microsoft.Performance", "CA1823:AvoidUnusedPrivateFields")] public static readonly HRESULT E_OUTOFMEMORY = new HRESULT(2147942414u); [SuppressMessage("Microsoft.Performance", "CA1823:AvoidUnusedPrivateFields")] public static readonly HRESULT E_INVALIDARG = new HRESULT(2147942487u); [SuppressMessage("Microsoft.Performance", "CA1823:AvoidUnusedPrivateFields")] public static readonly HRESULT INTSAFE_E_ARITHMETIC_OVERFLOW = new HRESULT(2147942934u); [SuppressMessage("Microsoft.Performance", "CA1823:AvoidUnusedPrivateFields")] public static readonly HRESULT COR_E_OBJECTDISPOSED = new HRESULT(2148734498u); [SuppressMessage("Microsoft.Performance", "CA1823:AvoidUnusedPrivateFields")] public static readonly HRESULT WC_E_GREATERTHAN = new HRESULT(3222072867u); [SuppressMessage("Microsoft.Performance", "CA1823:AvoidUnusedPrivateFields")] public static readonly HRESULT WC_E_SYNTAX = new HRESULT(3222072877u); }