kopia lustrzana https://github.com/dl2alf/AirScout
47 wiersze
1.4 KiB
C#
47 wiersze
1.4 KiB
C#
//
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// IntPtrExtensions.cs
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//
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// Author:
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// Jae Stutzman <jaebird@gmail.com>
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//
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// Copyright (c) 2016 Jae Stutzman
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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using System;
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using System.Runtime.InteropServices;
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namespace HamLibSharp
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{
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public static class IntPtrExtensions
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{
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public static IntPtr Increment (this IntPtr ptr, int cbSize)
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{
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return new IntPtr (ptr.ToInt64 () + cbSize);
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}
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public static IntPtr Increment<T> (this IntPtr ptr)
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{
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return ptr.Increment (Marshal.SizeOf (typeof(T)));
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}
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public static T ElementAt<T> (this IntPtr ptr, int index)
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{
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var offset = Marshal.SizeOf (typeof(T)) * index;
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var offsetPtr = ptr.Increment (offset);
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return (T)Marshal.PtrToStructure (offsetPtr, typeof(T));
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}
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}
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}
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