using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Reflection;
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using System.Runtime.Loader;
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using System.Text;
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using System.Threading.Tasks;
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namespace LB_VisionProcesses
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{
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/// <summary>
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/// 自定义程序集加载上下文，支持卸载
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/// </summary>
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public class PluginLoadContext : AssemblyLoadContext
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{
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private readonly AssemblyDependencyResolver _resolver;
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public PluginLoadContext(string pluginPath) : base(isCollectible: true)
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{
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_resolver = new AssemblyDependencyResolver(pluginPath);
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}
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protected override Assembly Load(AssemblyName assemblyName)
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{
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// 尝试解析依赖
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var assemblyPath = _resolver.ResolveAssemblyToPath(assemblyName);
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if (assemblyPath != null)
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{
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return LoadFromAssemblyPath(assemblyPath);
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}
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return null;
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}
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protected override IntPtr LoadUnmanagedDll(string unmanagedDllName)
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{
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var libraryPath = _resolver.ResolveUnmanagedDllToPath(unmanagedDllName);
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if (libraryPath != null)
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{
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return LoadUnmanagedDllFromPath(libraryPath);
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}
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return IntPtr.Zero;
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}
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}
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}
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