在运行时将控件添加到c#用户控件并能够对其进行管理 [英] Add controls to a c# user control at runtime and be able to manage them

问题描述

你好，

1)
我开发了一个C#用户控件.
在该控件中，我有一个按钮.当用户在运行时单击按钮时，将创建一个新控件(例如pictureBox)，该控件位于上一个pictureBox的旁边.

我是这样做的:

Hello,

1)
I develop a c# user control.
In that control, I have a button. When the user clicks the button at runtime, a new control (for example, pictureBox) is created ,next to the previous pictureBox.

I did it that way:

PictureBox pb = new PictureBox();
pb.Location = new Point(oldPb.X, oldPb.Y + 100);
pb.Size = oldPb.Size;
Controls.Add(pb);

问题是，我希望能够管理所有创建的项目.
例如，我想为pictureBox编制索引，然后从用户那里获取一个数字并更改所需photoBox的照片.
例如:

The problem is, that I want to be able to manage all of the created items.
I want, for example, to index the pictureBoxes, then get a number from the user and change the photo of the wanted photoBox.
for example:

photoBox3.Image = .......

我该怎么办?

2)
我希望能够识别用户何时单击这些photoBox之一并对选定的photoBox进行操作.
我该怎么办?

谢谢

How can I do it?

2)
I want to be able to recognize when the user clicks on one of those photoBoxes and do an action on the chosen photoBox.
How can I do that?

Thanks

推荐答案

向您添加列表UserControl:

Add a List to you UserControl:

private List<PictureBox> Pictures = new List<PictureBox>();

然后，将其添加到控件列表中时，还将其添加到图片"中:

Then when you add it to the controls list, you also add it to the Pictures:

PictureBox pb = new PictureBox();
pb.Location = new Point(oldPb.X, oldPb.Y + 100);
pb.Size = oldPb.Size;
Controls.Add(pb);
Pictures.Add(pb);

当您要访问它时，可以按添加它们的顺序按索引进行操作:

When you want to access it, you can do it by index, in the order you added them:

PictureBox toChange = Pictures[3];

(显然，您需要确保列表中有足够的PictureBoxes加上Count属性，然后再尝试获取它！)

(Obviously, you will want to make sure there are enough PictureBoxes in the list with the Count property before you try to get it!)

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