窗体显示和 WinForms 对齐：文本框、下拉框、列表框、日期选择默认白底黑字，不沿用父控件的颜色（项目 8 白字分组框里的文本框填了字看不见）；下拉框的背景色能显示、展开的列表跟着下拉框的颜色和字体；分组框、面板禁用时里面的控件也禁用（变灰、不响应操作，Enabled 读出 false 并触发 EnabledChanged）；禁用的控件设了颜色也画灰字；窗体、文本框等设透明背景色和 WinForms 一样报错，设计器里也不提供"透明"；多行文本框按 ScrollBars 显示滚动条；标签的边框和 TextAlign、窗体的 ControlBox、复选框的不确定状态能显示；设计器里 Enabled = false 的控件和 VS 一样照常显示
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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@@ -672,6 +672,87 @@ test('虚拟时钟：拨时间、倍速后 DateTime.Now / Today 跟着走，恢
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expect(runner.messages.some((m) => m.type === 'console' && m.text.includes('today=2024-01-16'))).toBe(true)
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}, 30000)
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test('颜色：分组框设成白字时，里面的标签沿用白字，文本框、列表框、下拉框还是白底黑字；只发显式设置的颜色', async () => {
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const { runner } = await runMain(
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'colors',
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`
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var form = new Form();
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var group = new GroupBox { ForeColor = Color.White, BackColor = Color.Navy };
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var label = new Label();
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var text = new TextBox { Name = "text" };
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var readOnly = new TextBox { ReadOnly = true };
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var list = new ListBox();
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var combo = new ComboBox();
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var red = new TextBox { Name = "red", ForeColor = Color.Red };
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group.Controls.AddRange(new Control[] { label, text, readOnly, list, combo, red });
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form.Controls.Add(group);
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Console.WriteLine(string.Join(",", new Control[] { label, text, list, combo, red }.Select(c => c.ForeColor.Name)));
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Console.WriteLine(string.Join(",", new Control[] { label, text, readOnly, list, combo }.Select(c => c.BackColor.Name)));
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Application.Run(form);`,
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'using System.Drawing;\nusing System.Windows.Forms;',
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)
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const { form } = await runner.waitFor('formShown')
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expect(findByName(form, 'text').props.ForeColor).toBeNull()
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expect(findByName(form, 'red').props.ForeColor).toBe('#ff0000')
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const output = runner.messages.flatMap((m) => (m.type === 'console' ? [m.text] : [])).join('')
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expect(output).toBe('White,WindowText,WindowText,WindowText,Red\nNavy,Window,Control,Window,Window\n')
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}, 30000)
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test('禁用：分组框禁用后里面的控件 Enabled 读出 false、触发 EnabledChanged、点击不响应；重新启用后恢复', async () => {
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const { runner } = await runMain(
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'enabled',
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`
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var form = new Form();
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var group = new GroupBox { Name = "group" };
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var button = new Button { Name = "button" };
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var off = new Button { Enabled = false };
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group.Controls.Add(button);
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group.Controls.Add(off);
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form.Controls.Add(group);
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button.EnabledChanged += (s, e) => Console.WriteLine("button changed=" + button.Enabled);
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off.EnabledChanged += (s, e) => Console.WriteLine("off changed");
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button.Click += (s, e) => Console.WriteLine("click");
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var toggle = new Button { Name = "toggle" };
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toggle.Click += (s, e) => { group.Enabled = !group.Enabled; Console.WriteLine("group=" + group.Enabled + " button=" + button.Enabled + " off=" + off.Enabled); };
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form.Controls.Add(toggle);
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Application.Run(form);`,
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'using System.Windows.Forms;',
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)
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const { form } = await runner.waitFor('formShown')
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const click = (name: string) => runner.send({ type: 'action', id: findByName(form, name).id, action: 'click' })
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click('toggle')
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await runner.waitFor('console', (m) => m.text.startsWith('group=False'))
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click('button')
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click('toggle')
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await runner.waitFor('console', (m) => m.text.startsWith('group=True'))
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click('button')
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await runner.waitFor('console', (m) => m.text === 'click\n')
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const output = runner.messages.flatMap((m) => (m.type === 'console' ? [m.text] : [])).join('')
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// 浏览器只收到分组框自己的 Enabled，子控件按父控件画成禁用
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expect(findByName(form, 'button').props.Enabled).toBe(true)
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expect(output).toBe(
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'button changed=False\ngroup=False button=False off=False\nbutton changed=True\ngroup=True button=True off=False\nclick\n',
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)
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}, 30000)
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test('透明背景：文本框、窗体等设透明背景色和 WinForms 一样报错，标签、面板可以', async () => {
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const { runner } = await runMain(
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'transparent',
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`
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foreach (var control in new Control[] { new TextBox(), new ComboBox(), new ListBox(), new Form(), new Label(), new Panel() })
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{
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try { control.BackColor = Color.Transparent; Console.WriteLine(control.GetType().Name + " ok"); }
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catch (ArgumentException ex) { Console.WriteLine(control.GetType().Name + " " + ex.Message); }
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}`,
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'using System.Drawing;\nusing System.Windows.Forms;',
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)
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await runner.finished()
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const output = runner.messages.flatMap((m) => (m.type === 'console' ? [m.text] : [])).join('')
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expect(output).toBe(
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'TextBox 控件不支持透明的背景色。\nComboBox 控件不支持透明的背景色。\nListBox 控件不支持透明的背景色。\nForm 控件不支持透明的背景色。\nLabel ok\nPanel ok\n',
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)
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}, 30000)
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test('TrackBar：拖动时先 ValueChanged 再 Scroll，超出范围的值截到两端；代码设超出范围的 Value 报错', async () => {
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const { runner } = await runMain(
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'trackbar',
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