C# 如何重写TreeNode.Clone()方法?
我有自己的类C# 如何重写TreeNode.Clone()方法?,c#,.net,winforms,C#,.net,Winforms,我有自己的类MyTreeNode来自TreeNode: public class MyTreeNode : System.Windows.Forms.TreeNode { [Localizable(true)] public bool Foo { get; set; } } 我尝试克隆节点: MyTreeNode myTreeNode = new MyTreeNode(); myTreeNode.Foo = foo; // //And here is the problem,
MyTreeNode
来自TreeNode
:
public class MyTreeNode : System.Windows.Forms.TreeNode
{
[Localizable(true)]
public bool Foo { get; set; }
}
我尝试克隆节点:
MyTreeNode myTreeNode = new MyTreeNode();
myTreeNode.Foo = foo;
//
//And here is the problem, all fields have been copied to the new node but Foo
//
MyTreeNode newNode = (MyTreeNode)myTreeNode.Clone();
结果,
newNode
的Foo
字段为空。如何修复此问题?在MyTreeNode类中尝试类似的方法
public override object Clone()
{
object objReturn = base.Clone();
((MyTreeNode)objReturn).Foo = this.Foo;
return objReturn;
}
如果您希望在调用
Clone()
时也复制Foo
,则需要重写Clone()
方法并添加执行此操作的逻辑
您只需将此项添加到MyTreeNode
类:
public override object Clone()
{
var obj = (MyTreeNode)base.Clone();
obj.Foo = this.Foo;
return obj;
}