devexpress-winforms-mvvm

Name: devexpress-winforms-mvvm
Author: DevExpress

35stars6forks

How to install devexpress-winforms-mvvm?

devexpress/agent-skills/devexpress-winforms-mvvm

$npx -y skills add DevExpress/agent-skills --skill devexpress-winforms-mvvm

Installs into the current project.

Summary

DevExpress WinForms MVVM Framework with the MVVMContext component. Covers ViewModel types and priority order (compile-time DevExpress.Mvvm.CodeGenerators with [GenerateViewModel]/[GenerateProperty]/[GenerateCommand] preferred; runtime POCO with public virtual properties for legac

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SKILL.md

1	# DevExpress WinForms MVVM Framework
2
3	The DevExpress MVVM Framework lets you apply the Model-View-ViewModel pattern to WinForms applications. The `MVVMContext` component bridges a Form (View) and a ViewModel class: it manages the ViewModel lifecycle, resolves services, exposes a Fluent API for property binding and command binding, and hosts behaviors.
4
5	The framework supports four ViewModel authoring styles. Prefer the compile-time approach (DevExpress Code Generator or CommunityToolkit.Mvvm) for new projects — it catches binding errors at compile time and produces clean, debuggable code. Use runtime POCO for existing `MVVMContext`-centric projects, and `ViewModelBase` only when class hierarchy constraints prevent using POCO.
6
7	## When to Use This Skill
8
9	- Set up the `MVVMContext` component in a WinForms form (design-time or code).
10	- Choose a ViewModel type and write properties with `INotifyPropertyChanged` support.
11	- Declare synchronous (`DelegateCommand`) or asynchronous (`AsyncCommand`) commands with CanExecute.
12	- Bind editor properties and command buttons via the Fluent API (`SetBinding`, `BindCommand`).
13	- Register and call built-in DevExpress services (`IMessageBoxService`, `IDialogService`, `INavigationService`, etc.) without referencing UI from the ViewModel.
14	- Write custom services that implement an interface and are injected via `RegisterService`.
15	- Attach behaviors to controls (`ConfirmationBehavior`, `EventToCommandBehavior`, key shortcuts, custom `EventTriggerBase`).
16	- Communicate between ViewModels using the `Messenger`, parent-child relationships, `IDialogService`, `ISupportParameter`, or `NavigationService`.
17
18	## Prerequisites & Installation
19
20	### NuGet Packages
21
22	\| Package \| Required For \| Source \|
23	\|---\|---\|---\|
24	\| `DevExpress.Mvvm.CodeGenerators` \| `[GenerateViewModel]`, `[GenerateProperty]`, `[GenerateCommand]` (compile-time) \| NuGet.org — free \|
25	\| `DevExpress.Mvvm` \| `ViewModelBase`, `DelegateCommand`, `AsyncCommand`, `Messenger`, `ISupportParameter` \| NuGet.org — free \|
26	\| `DevExpress.Utils` \| `MVVMContext`, runtime POCO framework, Fluent API \| DevExpress feed — license required \|
27	\| Any `DevExpress.Win.*` \| Includes `DevExpress.Utils`; adds UI controls \| DevExpress feed — license required \|
28	\| `CommunityToolkit.Mvvm` \| `ObservableObject`, `[ObservableProperty]`, `[RelayCommand]` (alternative) \| NuGet.org — free \|
29
30	For most projects, install `DevExpress.Win.Navigation` (or any UI control package) plus `DevExpress.Mvvm.CodeGenerators` and `DevExpress.Mvvm`.
31
32	### Host Form Requirements
33
34	Always use `XtraForm` (or `RibbonForm` when hosting a `RibbonControl`) as the base class — not plain `Form`. This ensures visual skin consistency and correct DevExpress component layout.
35
36	### Common Namespaces
37
38	```csharp
39	using DevExpress.Mvvm; // ViewModelBase, DelegateCommand, AsyncCommand, Messenger
40	using DevExpress.Mvvm.DataAnnotations; // BindableProperty, Command attributes (POCO)
41	using DevExpress.Mvvm.POCO; // ViewModelSource (runtime POCO)
42	using DevExpress.Mvvm.CodeGenerators; // GenerateViewModel, GenerateProperty, GenerateCommand
43	using DevExpress.Utils.MVVM; // MVVMContext
44	using DevExpress.XtraEditors; // XtraForm, SimpleButton, TextEdit, etc.
45	```
46
47	## Before You Start — Ask the Developer
48
49	If the host agent has a str

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devexpress-winforms-mvvm

35stars6forks

View on GitHub

How to install devexpress-winforms-mvvm?

devexpress/agent-skills/devexpress-winforms-mvvm

$npx -y skills add DevExpress/agent-skills --skill devexpress-winforms-mvvm

Installs into the current project.

Summary

Files · 1

View on GitHub

SKILL.md

1	# DevExpress WinForms MVVM Framework
2
3	The DevExpress MVVM Framework lets you apply the Model-View-ViewModel pattern to WinForms applications. The `MVVMContext` component bridges a Form (View) and a ViewModel class: it manages the ViewModel lifecycle, resolves services, exposes a Fluent API for property binding and command binding, and hosts behaviors.
4
5	The framework supports four ViewModel authoring styles. Prefer the compile-time approach (DevExpress Code Generator or CommunityToolkit.Mvvm) for new projects — it catches binding errors at compile time and produces clean, debuggable code. Use runtime POCO for existing `MVVMContext`-centric projects, and `ViewModelBase` only when class hierarchy constraints prevent using POCO.
6
7	## When to Use This Skill
8
9	- Set up the `MVVMContext` component in a WinForms form (design-time or code).
10	- Choose a ViewModel type and write properties with `INotifyPropertyChanged` support.
11	- Declare synchronous (`DelegateCommand`) or asynchronous (`AsyncCommand`) commands with CanExecute.
12	- Bind editor properties and command buttons via the Fluent API (`SetBinding`, `BindCommand`).
13	- Register and call built-in DevExpress services (`IMessageBoxService`, `IDialogService`, `INavigationService`, etc.) without referencing UI from the ViewModel.
14	- Write custom services that implement an interface and are injected via `RegisterService`.
15	- Attach behaviors to controls (`ConfirmationBehavior`, `EventToCommandBehavior`, key shortcuts, custom `EventTriggerBase`).
16	- Communicate between ViewModels using the `Messenger`, parent-child relationships, `IDialogService`, `ISupportParameter`, or `NavigationService`.
17
18	## Prerequisites & Installation
19
20	### NuGet Packages
21
22	\| Package \| Required For \| Source \|
23	\|---\|---\|---\|
24	\| `DevExpress.Mvvm.CodeGenerators` \| `[GenerateViewModel]`, `[GenerateProperty]`, `[GenerateCommand]` (compile-time) \| NuGet.org — free \|
25	\| `DevExpress.Mvvm` \| `ViewModelBase`, `DelegateCommand`, `AsyncCommand`, `Messenger`, `ISupportParameter` \| NuGet.org — free \|
26	\| `DevExpress.Utils` \| `MVVMContext`, runtime POCO framework, Fluent API \| DevExpress feed — license required \|
27	\| Any `DevExpress.Win.*` \| Includes `DevExpress.Utils`; adds UI controls \| DevExpress feed — license required \|
28	\| `CommunityToolkit.Mvvm` \| `ObservableObject`, `[ObservableProperty]`, `[RelayCommand]` (alternative) \| NuGet.org — free \|
29
30	For most projects, install `DevExpress.Win.Navigation` (or any UI control package) plus `DevExpress.Mvvm.CodeGenerators` and `DevExpress.Mvvm`.
31
32	### Host Form Requirements
33
34	Always use `XtraForm` (or `RibbonForm` when hosting a `RibbonControl`) as the base class — not plain `Form`. This ensures visual skin consistency and correct DevExpress component layout.
35
36	### Common Namespaces
37
38	```csharp
39	using DevExpress.Mvvm; // ViewModelBase, DelegateCommand, AsyncCommand, Messenger
40	using DevExpress.Mvvm.DataAnnotations; // BindableProperty, Command attributes (POCO)
41	using DevExpress.Mvvm.POCO; // ViewModelSource (runtime POCO)
42	using DevExpress.Mvvm.CodeGenerators; // GenerateViewModel, GenerateProperty, GenerateCommand
43	using DevExpress.Utils.MVVM; // MVVMContext
44	using DevExpress.XtraEditors; // XtraForm, SimpleButton, TextEdit, etc.
45	```
46
47	## Before You Start — Ask the Developer
48
49	If the host agent has a str

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