使用泛型类型创建动态结构
本文关键字:动态 结构 创建 泛型类型 | 更新日期: 2023-09-27 18:34:30
我是.net和C#的新手,我正在尝试创建一个MyStruct的实例,之前不知道类型。所以我的类在构造函数中接收 3 个类型,我需要创建一个具有此类型的 MyStruct 实例。我在互联网上查看并看到了最后一部分,但我无法编译它。
namespace IQUnionTag
{
public class IQUnionTag
{
private struct MyStruct<A, B, C>
{
public A value1;
public B value2;
public C value3;
}
private object MyStructure;
private Type a;
private Type b;
private Type c;
public IQUnionTag(Type a, Type b, Type c)
{
this.a = a;
this.b = b;
this.c = c;
int d = 2;
var d1 = typeof (MyStruct<>); // Doesn't compile
Type[] typeArgs = { a, b, c };
var makeme = d1.MakeGenericType(typeArgs);
object o = Activator.CreateInstance(makeme);
Console.WriteLine(o);
}
}
}
我只想要类似的东西
Mystructure = new MyStruct<a,b,c> // this doesn't compile too
typeof(MyStruct<>( 使错误编译像
Erreur Using the generic type 'IQUnionTag.IQUnionTag.MyStruct<A,B,C>' requires 3 type arguments
我肯定错过了一些东西,你能帮我创建我的实例吗?
目前尚不清楚您的目的是什么,但您可以执行以下操作:
public class IQUnionTag
{
private struct MyStruct<A, B, C>
{
public A value1;
public B value2;
public C value3;
}
private object MyStructure;
private Type a;
private Type b;
private Type c;
public IQUnionTag(Type a, Type b, Type c)
{
this.a = a;
this.b = b;
this.c = c;
int d = 2;
var d1 = typeof(MyStruct<,,>); // this is the way to get type of MyStruct
Type[] typeArgs = { a, b, c };
var makeme = d1.MakeGenericType(typeArgs);
object o = Activator.CreateInstance(makeme);
Console.WriteLine(o);
}
}