将表单添加到 UserControl - 这可能吗?

Add Form to a UserControl - is this possible?(将表单添加到 UserControl - 这可能吗?)

问题描述

通常，控件被添加到表单中.但我需要做相反的事情 - 将 Form 实例添加到容器用户控件.

Normally, controls are being added to forms. But I need to do an opposite thing - add a Form instance to container user control.

这背后的原因是我需要将第三方应用程序嵌入到我自己的应用程序中.由于复杂性，将表单转换为用户控件是不可行的.

The reason behind this is that I need to embed a third-party application into my own. Converting the form to a user control is not feasible due to complexity.

推荐答案

这可以通过将表单的 TopLevel 属性设置为 false 来实现.它将它变成一个子窗口，与 UserControl 几乎没有区别.这是一个包含所需代码的示例用户控件:

This is possible by setting the form's TopLevel property to false. Which turns it into a child window, almost indistinguishable from a UserControl. Here's a sample user control with the required code:

public partial class UserControl1 : UserControl {
    public UserControl1() {
        InitializeComponent();
    }
    public void EmbedForm(Form frm) {
        frm.TopLevel = false;
        frm.FormBorderStyle = FormBorderStyle.None;
        frm.Visible = true;
        frm.Dock = DockStyle.Fill;   // optional
        this.Controls.Add(frm);
    }
}

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