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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System.Diagnostics;
using System.Globalization;
using System.Reflection;
using System.Runtime.Remoting;
namespace System
{
/// <summary>
/// Activator contains the Activation (CreateInstance/New) methods for late bound support.
/// </summary>
public static partial class Activator
{
private const BindingFlags ConstructorDefault = BindingFlags.Instance | BindingFlags.Public | BindingFlags.CreateInstance;
[DebuggerHidden]
[DebuggerStepThrough]
public static object? CreateInstance(Type type, BindingFlags bindingAttr, Binder? binder, object?[]? args, CultureInfo? culture) =>
CreateInstance(type, bindingAttr, binder, args, culture, null);
[DebuggerHidden]
[DebuggerStepThrough]
public static object? CreateInstance(Type type, params object?[]? args) =>
CreateInstance(type, ConstructorDefault, null, args, null, null);
[DebuggerHidden]
[DebuggerStepThrough]
public static object? CreateInstance(Type type, object?[]? args, object?[]? activationAttributes) =>
CreateInstance(type, ConstructorDefault, null, args, null, activationAttributes);
[DebuggerHidden]
[DebuggerStepThrough]
public static object? CreateInstance(Type type) =>
CreateInstance(type, nonPublic: false);
public static ObjectHandle? CreateInstanceFrom(string assemblyFile, string typeName) =>
CreateInstanceFrom(assemblyFile, typeName, false, ConstructorDefault, null, null, null, null);
public static ObjectHandle? CreateInstanceFrom(string assemblyFile, string typeName, object?[]? activationAttributes) =>
CreateInstanceFrom(assemblyFile, typeName, false, ConstructorDefault, null, null, null, activationAttributes);
public static ObjectHandle? CreateInstanceFrom(string assemblyFile, string typeName, bool ignoreCase, BindingFlags bindingAttr, Binder? binder, object?[]? args, CultureInfo? culture, object?[]? activationAttributes)
{
Assembly assembly = Assembly.LoadFrom(assemblyFile);
Type t = assembly.GetType(typeName, throwOnError: true, ignoreCase)!;
object? o = CreateInstance(t, bindingAttr, binder, args, culture, activationAttributes);
return o != null ? new ObjectHandle(o) : null;
}
}
}
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