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Creates MewUI applications with proper setup, windows, theming, and controls. Use when starting a new MewUI project, understanding application lifecycle, using built-in controls, or styling with themes.
默认使用会先检查来源的 Prompt；你也可以切换为直接命令，或下载本地副本。
决定是否安装前，请先阅读 SKILL.md，以及 SkillsMP 当前展示的配套文件。
用 Codex 或 Claude 帮你安装 复制这段 Prompt，粘贴到 Codex、Claude 或其他助手里，让它检查 Skill 页面并帮你完成安装。
直接命令不会经过审查 Prompt；运行前请先检查来源。
npx skills add https://github.com/christian289/dotnet-with-claudecode --skill building-mewui-apps命令会保持在同一行。复制前请横向滚动并检查完整内容。
想先保存到本地？可下载 SkillsMP 当前能够提供的文件。
WPF IValueConverter rules: MarkupExtension singleton, pure functions, null/UnsetValue handling, TemplateBinding.
WPF Freezable performance rules: Freeze() all Brush/Pen/Geometry; create-and-freeze in constructor, reuse in OnRender.
WPF MVVM layer-separation rules: no System.Windows in ViewModels, BCL-only types, CommunityToolkit.Mvvm base classes. Preloaded into MVVM-related wpf-dev-pack agents.
正在显示 SKILL.md
基于 SOC 职业分类
| name | building-mewui-apps |
| description | Creates MewUI applications with proper setup, windows, theming, and controls. Use when starting a new MewUI project, understanding application lifecycle, using built-in controls, or styling with themes. |
using MewUI;
using MewUI.Controls;
var window = new Window()
.Title("My App")
.Width(800).Height(600)
.Content(new Label().Text("Hello, MewUI!"));
Application.Run(window); // Static method
// Set defaults BEFORE Run()
Application.DefaultGraphicsBackend = GraphicsBackend.Direct2D; // or Gdi, OpenGL
var window = new Window().Title("My App").Content(mainContent);
Application.Run(window);
// Access current app AFTER Run() starts
// Application.Current.SetTheme(ThemeVariant.Light);
new Label().Text("Display text").BindText(observable)
new TextBox().BindText(observable).Placeholder("Hint")
new Button().Content("Click").OnClick(() => DoAction())
new CheckBox().Text("Option").BindIsChecked(observable) // Note: .Text() not .Content()
new ComboBox().Items("A", "B", "C").BindSelectedIndex(observable)
new ListBox().Items("X", "Y", "Z").BindSelectedIndex(observable)
new Slider().Minimum(0).Maximum(100).BindValue(observable)
new ProgressBar().Minimum(0).Maximum(100).BindValue(observable)
new Image().SourceFile("path.png").StretchMode(ImageStretch.Uniform) // Note: SourceFile, StretchMode
// Access theme in controls
var bg = Theme.Palette.ControlBackground;
var accent = Theme.Palette.Accent; // Note: Accent, not AccentColor
var radius = Theme.Metrics.ControlCornerRadius;
// Visual states
var color = _isPressed ? Theme.Palette.ButtonPressedBackground
: IsMouseOver ? Theme.Palette.ButtonHoverBackground
: Theme.Palette.ButtonFace;
// Theme change notification - note two parameters
protected override void OnThemeChanged(Theme oldTheme, Theme newTheme)
{
base.OnThemeChanged(oldTheme, newTheme);
InvalidateVisual();
}
element
.Width(200).Height(100)
.Margin(8).Padding(4)
.Background(Colors.White).Foreground(Colors.Black)
.HorizontalAlignment(HorizontalAlignment.Center)
.VerticalAlignment(VerticalAlignment.Stretch)
new DockPanel().Children(
CreateMenu().DockTo(Dock.Top), // Note: .DockTo() not .Dock()
CreateToolbar().DockTop(), // Or convenience methods
CreateStatusBar().DockBottom(),
CreateSidebar().DockLeft().Width(200),
CreateMainContent() // Fills remaining
)
Dialogs & Popups: See dialogs.md Window management: See windows.md