60 lines
2.0 KiB
C#
60 lines
2.0 KiB
C#
using System;
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using System.Runtime.ConstrainedExecution;
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using System.Runtime.InteropServices;
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namespace Microsoft.Win32
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{
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internal static partial class NativeMethods
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{
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const string KERNEL32 = "Kernel32.dll";
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[ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success), DllImport(KERNEL32, SetLastError = true)]
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[return: MarshalAs(UnmanagedType.Bool)]
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public static extern bool CloseHandle(IntPtr handle);
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[DllImport(KERNEL32, CharSet = CharSet.Auto, SetLastError = true)]
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public static extern IntPtr GetCurrentProcess();
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[DllImport(KERNEL32, CharSet = CharSet.Auto, SetLastError = true)]
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public static extern IntPtr GetCurrentThread();
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/// <summary>
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/// The GlobalLock function locks a global memory object and returns a pointer to the first byte of the object's memory block.
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/// GlobalLock function increments the lock count by one.
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/// Needed for the clipboard functions when getting the data from IDataObject
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/// </summary>
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/// <param name="hMem"></param>
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/// <returns></returns>
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[DllImport(KERNEL32, SetLastError = true)]
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public static extern IntPtr GlobalLock(IntPtr hMem);
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/// <summary>
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/// The GlobalUnlock function decrements the lock count associated with a memory object.
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/// </summary>
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/// <param name="hMem"></param>
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/// <returns></returns>
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[DllImport(KERNEL32, SetLastError = true)]
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[return: MarshalAs(UnmanagedType.Bool)]
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public static extern bool GlobalUnlock(IntPtr hMem);
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[DllImport(KERNEL32, CharSet = CharSet.Auto, SetLastError = true)]
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public static extern IntPtr LoadLibrary(string filename);
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[DllImport(KERNEL32, CharSet = CharSet.Auto, SetLastError = true)]
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[return: MarshalAs(UnmanagedType.Bool)]
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public static extern bool FreeLibrary(IntPtr lib);
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public partial class SafeTokenHandle : Microsoft.Win32.SafeHandles.SafeHandleZeroOrMinusOneIsInvalid
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{
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private SafeTokenHandle() : base(true) { }
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internal SafeTokenHandle(IntPtr handle, bool own = true) : base(own)
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{
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SetHandle(handle);
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}
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protected override bool ReleaseHandle() => CloseHandle(handle);
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}
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}
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}
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