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src/Microsoft.PowerShell.Commands.Diagnostics/PdhSafeHandle.cs
62 строки
1 KB
xtqqczze
Remove unnecessary usings part 2 (#14017)
10 ноя 2020, 06:15
Не верифицирован
10 ноя 2020, 06:15
6b009c1
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// Copyright (c) Microsoft Corporation. // Licensed under the MIT License. using System; using System.Runtime.InteropServices; namespace Microsoft.Powershell.Commands.GetCounter.PdhNative { internal sealed class PdhSafeDataSourceHandle : SafeHandle { private PdhSafeDataSourceHandle() : base(IntPtr.Zero, true) { } public override bool IsInvalid { get { return handle == IntPtr.Zero; } } protected override bool ReleaseHandle() { return (PdhHelper.PdhCloseLog(handle, 0) == 0); } } internal sealed class PdhSafeQueryHandle : SafeHandle { private PdhSafeQueryHandle() : base(IntPtr.Zero, true) { } public override bool IsInvalid { get { return handle == IntPtr.Zero; } } protected override bool ReleaseHandle() { return (PdhHelper.PdhCloseQuery(handle) == 0); } } internal sealed class PdhSafeLogHandle : SafeHandle { private PdhSafeLogHandle() : base(IntPtr.Zero, true) { } public override bool IsInvalid { get { return handle == IntPtr.Zero; } } protected override bool ReleaseHandle() { return (PdhHelper.PdhCloseLog(handle, 0) == 0); } } }