},System.Linq.Expressions.Expression{System.Func{--0,--3}},ReactiveUI.Validation.Formatters.Abstractions.IValidationTextFormatter{System.String})} },ReactiveUI.Validation.Formatters.Abstractions.IValidationTextFormatter{System.String})} },System.Linq.Expressions.Expression{System.Func{--0,--2}},ReactiveUI.Validation.Formatters.Abstractions.IValidationTextFormatter{System.String})}
ViewForExtensions.BindValidation(TView, TViewModel?, Expression>, Expression>, IValidationTextFormatter?) method¶
Defined in
Type: ViewForExtensions
Namespace: ReactiveUI.Validation.Extensions
Assembly: ReactiveUI.Validation.dll
Applies to
net10.0, net10.0-tvos26.0, net10.0-maccatalyst26.0, net10.0-browserwasm1.0, net10.0-windows10.0.19041, net10.0-desktop1.0, net10.0-ios26.0, net10.0-macos26.0, net10.0-android36.0, net10.0-android36.0, net9.0, net9.0-windows10.0.19041, net9.0-browserwasm1.0, net9.0-desktop1.0, net8.0, net8.0-macos14.2, net8.0-maccatalyst17.5, net8.0-ios17.5, net8.0-tvos17.2, net8.0-windows10.0.19041, net8.0-macos14.5, netstandard2.1, net481, net462, net471
Overloads¶
- 1.
public static IDisposable BindValidation<TView, TViewModel, TViewModelProperty, TViewProperty>(this TView view, TViewModel? viewModel, Expression<Func<TViewModel, TViewModelProperty>> viewModelProperty, Expression<Func<TView, TViewProperty>> viewProperty, IValidationTextFormatter<string>? formatter = null) where TView : IViewFor<TViewModel> where TViewModel : class, IReactiveObject, IValidatableViewModel - 2.
public static IDisposable BindValidation<TView, TViewModel, TViewProperty>(this TView view, TViewModel? viewModel, Expression<Func<TView, TViewProperty>> viewProperty, IValidationTextFormatter<string>? formatter = null) where TView : IViewFor<TViewModel> where TViewModel : class, IReactiveObject, IValidatableViewModel - 3.
public static IDisposable BindValidation<TView, TViewModel, TViewProperty>(this TView view, TViewModel? viewModel, Expression<Func<TViewModel?, ValidationHelper?>> viewModelHelperProperty, Expression<Func<TView, TViewProperty>> viewProperty, IValidationTextFormatter<string>? formatter = null) where TView : IViewFor<TViewModel> where TViewModel : class, IReactiveObject, IValidatableViewModel
1. Overload¶
Attributes: [RequiresDynamicCode("WhenAnyValue uses expression trees which require dynamic code generation in AOT scenarios.")] [RequiresUnreferencedCode("WhenAnyValue may reference members that could be trimmed in AOT scenarios.")]
public static IDisposable BindValidation<TView, TViewModel, TViewModelProperty, TViewProperty>(this TView view, TViewModel? viewModel, Expression<Func<TViewModel, TViewModelProperty>> viewModelProperty, Expression<Func<TView, TViewProperty>> viewProperty, IValidationTextFormatter<string>? formatter = null) where TView : IViewFor<TViewModel> where TViewModel : class, IReactiveObject, IValidatableViewModel
Summary: Binds the specified ViewModel property validation to the View property.
Type parameters
| Name | Description |
|---|---|
TView | IViewFor of TViewModel. |
TViewModel | ViewModel type. |
TViewModelProperty | ViewModel property type. |
TViewProperty | View property type. |
Parameters
| Name | Type | Description |
|---|---|---|
view | TView | IViewFor instance. |
viewModel | TViewModel? | ViewModel instance. Can be null, used for generic type resolution. |
viewModelProperty | Expression | ViewModel property. |
viewProperty | Expression | View property to bind the validation message. |
formatter = null | [IValidationTextFormatter | Validation formatter. Defaults to [SingleLineFormatter](# In order to override the global default value, implement [IValidationTextFormatter](# and register an instance of IValidationTextFormatter |
Returns: IDisposable -- Returns a IDisposable object.
Exceptions
| Type | Condition |
|---|---|
| System.ArgumentNullException | Thrown when viewModelProperty or viewProperty is null. |
2. Overload¶
Attributes: [RequiresDynamicCode("WhenAnyValue uses expression trees which require dynamic code generation in AOT scenarios.")] [RequiresUnreferencedCode("WhenAnyValue may reference members that could be trimmed in AOT scenarios.")]
public static IDisposable BindValidation<TView, TViewModel, TViewProperty>(this TView view, TViewModel? viewModel, Expression<Func<TView, TViewProperty>> viewProperty, IValidationTextFormatter<string>? formatter = null) where TView : IViewFor<TViewModel> where TViewModel : class, IReactiveObject, IValidatableViewModel
Summary: Binds the overall validation of a ViewModel to a specified View property.
Type parameters
| Name | Description |
|---|---|
TView | IViewFor of TViewModel. |
TViewModel | ViewModel type. |
TViewProperty | View property type. |
Parameters
| Name | Type | Description |
|---|---|---|
view | TView | IViewFor instance. |
viewModel | TViewModel? | ViewModel instance. Can be null, used for generic type resolution. |
viewProperty | Expression | View property to bind the validation message. |
formatter = null | [IValidationTextFormatter | Validation formatter. Defaults to [SingleLineFormatter](# In order to override the global default value, implement [IValidationTextFormatter](# and register an instance of IValidationTextFormatter |
Returns: IDisposable -- Returns a IDisposable object.
Exceptions
| Type | Condition |
|---|---|
| System.ArgumentNullException | Thrown when viewProperty is null. |
3. Overload¶
Attributes: [RequiresDynamicCode("WhenAnyValue uses expression trees which require dynamic code generation in AOT scenarios.")] [RequiresUnreferencedCode("WhenAnyValue may reference members that could be trimmed in AOT scenarios.")]
public static IDisposable BindValidation<TView, TViewModel, TViewProperty>(this TView view, TViewModel? viewModel, Expression<Func<TViewModel?, ValidationHelper?>> viewModelHelperProperty, Expression<Func<TView, TViewProperty>> viewProperty, IValidationTextFormatter<string>? formatter = null) where TView : IViewFor<TViewModel> where TViewModel : class, IReactiveObject, IValidatableViewModel
Summary: Binds a ValidationHelper from a ViewModel to a specified View property.
Type parameters
| Name | Description |
|---|---|
TView | IViewFor of TViewModel. |
TViewModel | ViewModel type. |
TViewProperty | View property type. |
Parameters
| Name | Type | Description |
|---|---|---|
view | TView | IViewFor instance. |
viewModel | TViewModel? | ViewModel instance. Can be null, used for generic type resolution. |
viewModelHelperProperty | Expression | ViewModel's ValidationHelper property. |
viewProperty | Expression | View property to bind the validation message. |
formatter = null | [IValidationTextFormatter | Validation formatter. Defaults to [SingleLineFormatter](# In order to override the global default value, implement [IValidationTextFormatter](# and register an instance of IValidationTextFormatter |
Returns: IDisposable -- Returns a IDisposable object.
Exceptions
| Type | Condition |
|---|---|
| System.ArgumentNullException | Thrown when viewModelHelperProperty or viewProperty is null. |