表单未显示在 Show() 上,因为它正在使用(?)
本文关键字:因为 显示 Show 表单 | 更新日期: 2023-09-27 17:55:24
一旦我使用了dockContainer.Add(form)
和后来的dockContainer.Remove(dockableFormInfo)
,我就无法尝试从此 Dock 容器中删除表单,当我使用它显示自己时form.Show()
,它根本不会显示。
通过属性查看它表明表单实际上是visible = true
的,但即使使用该表单的可停靠控件已从容器中删除,我的想法是它仍然使用表单资源,因此我无法使其出现在控件之外。
如何显示表单?
问题解决了,首先感谢Hans Passant的顶级提示。
从停靠容器中删除后,只需将顶级设置为 true!
以下是测试代码:
using System;
using System.Drawing;
using System.Windows.Forms;
using Crom.Controls.Docking;
namespace DockingTester
{
public partial class Form1 : Form
{
private Form dummyForm;
private readonly Guid dummyFormGuid = Guid.NewGuid();
public Form1()
{
InitializeComponent();
CreateDummyForm();
this.dummyForm.Show();
}
private void CreateDummyForm()
{
dummyForm = new Form();
this.dummyForm.Text = "Dummy docking test form";
}
private static void DockUndockForm(DockContainer dockContainer, Form form, Guid guid)
{
DockableFormInfo formInfo = dockContainer.GetFormInfo(guid);
//Add
if (formInfo == null)
{
formInfo = dockContainer.Add(form, zAllowedDock.All, guid);
dockContainer.DockForm(formInfo, DockStyle.Left, zDockMode.Inner);
}
//Remove
else
{
Form dummy = formInfo.DockableForm;
dockContainer.Undock(formInfo, new Rectangle(Point.Empty, new Size(100, 300)));
dockContainer.Remove(formInfo);
dummy.FormBorderStyle = System.Windows.Forms.FormBorderStyle.Sizable;
dummy.TopLevel = true;
}
}
private void dockUndockButton_Click(object sender, EventArgs e)
{
if (this.dummyForm.IsDisposed)
CreateDummyForm();
DockUndockForm(this.dockContainer1, this.dummyForm, this.dummyFormGuid);
}
}
}