48 lines
1.4 KiB
C#
48 lines
1.4 KiB
C#
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using System;
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using System.IO;
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using System.Runtime.InteropServices;
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namespace BizHawk.Common
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{
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public class InstanceDll : IDisposable
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{
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public InstanceDll(string dllPath)
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{
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//copy the dll to a temp directory
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var path = Path.Combine(Path.GetTempPath(), "instancedll-pid" + System.Diagnostics.Process.GetCurrentProcess().Id + "-" + Guid.NewGuid()) + "-" + Path.GetFileName(dllPath);
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using (var stream = new FileStream(path, FileMode.Create, System.Security.AccessControl.FileSystemRights.FullControl, FileShare.ReadWrite | FileShare.Delete, 4 * 1024, FileOptions.None))
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using (var sdll = File.OpenRead(dllPath))
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sdll.CopyTo(stream);
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_hModule = LoadLibrary(path);
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var newfname = Path.GetFileName(path);
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newfname = "bizhawk.bizdelete-" + newfname;
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var newpath = Path.Combine(Path.GetDirectoryName(path), newfname);
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File.Move(path, newpath);
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}
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[DllImport("kernel32.dll")]
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static extern IntPtr LoadLibrary(string dllToLoad);
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[DllImport("kernel32.dll")]
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static extern IntPtr GetProcAddress(IntPtr hModule, string procedureName);
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[DllImport("kernel32.dll")]
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static extern bool FreeLibrary(IntPtr hModule);
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public IntPtr GetProcAddress(string procName)
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{
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return GetProcAddress(_hModule, procName);
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}
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public void Dispose()
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{
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if (_hModule != IntPtr.Zero)
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{
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FreeLibrary(_hModule);
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_hModule = IntPtr.Zero;
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}
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}
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IntPtr _hModule;
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}
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}
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