Csla errorprovider11/24/2023 ![]() This->ageUpDownPicker = gcnew System::Windows::Forms::NumericUpDown This->label2 = gcnew System::Windows::Forms::Label ![]() This->label1 = gcnew System::Windows::Forms::Label This->nameTextBox1 = gcnew System::Windows::Forms::TextBox System::Windows::Forms::ErrorProvider^ favoriteColorErrorProvider System::Windows::Forms::ErrorProvider^ nameErrorProvider System::Windows::Forms::ErrorProvider^ ageErrorProvider System::Windows::Forms::ComboBox^ favoriteColorComboBox System::Windows::Forms::NumericUpDown^ ageUpDownPicker System::Windows::Forms::TextBox^ nameTextBox1 Public ref class Form1: public System::Windows::Forms::Form Se SetError llama al método con o sin texto de error adecuado durante el evento de Validated un control, en función del contenido del control. En el ejemplo se establecen las opciones de icono de error mediante las BlinkRate propiedades y BlinkStyle y los SetIconAlignment métodos y SetIconPadding. En el ejemplo se crea un Form objeto que contiene un TextBox control, un NumericUpDown control y un ComboBox control, cada uno validando su contenido y un ErrorProvider para cada control. IExtenderProvider ISupportInitialize EjemplosĮn el ejemplo de código siguiente se muestra cómo usar la ErrorProvider clase para notificar al usuario un error de entrada de datos. Implements IExtenderProvider, ISupportInitialize Herencia ![]() Implements IExtenderProvider Public Class ErrorProvider ![]() Interface ISupportInitialize Public Class ErrorProvider Public class ErrorProvider :, , type ErrorProvider = class public ref class ErrorProvider : System::ComponentModel::Component, System::ComponentModel::IExtenderProvider public ref class ErrorProvider : System::ComponentModel::Component, System::ComponentModel::IExtenderProvider, System::ComponentModel::ISupportInitialize public class ErrorProvider :, I have the code split across 2 units so I attached them both.īeta Was this translation helpful? Give feedback.Proporciona una interfaz de usuario para indicar que un control de un formulario tiene un error asociado al mismo. My object isn't an exact match to the example, but I think it's close. End of stack trace from previous location -Īt .CallStateHasChangedOnAsyncCompletion(Task task)Īt .Renderer.GetErrorHandledTask(Task taskToHandle)īeta Was this translation helpful? Give System. End of inner exception stack trace -Īt (Object target, Object arguments, Signature sig, Boolean constructor, Boolean wrapExceptions)Īt (Object obj, BindingFlags invokeAttr, Binder binder, Object parameters, CultureInfo culture)Īt (Object args)Īt .ActionObserver`2.c.b_11_0(T v, TDelegate d)Īt .ActionObserver`2.DispatchNewValue(T& value)Īt .ObserverStrategy`1.OnNext(T value)Īt `1.OnSingleSelectedRowClick(MouseEventArgs args)Īt `1.OnClick(MouseEventArgs args) > System.ArgumentException: Model does not implement required interface ICheckRulesĪt (EditContext editContext, ValidationMessageStore messages, FieldIdentifier& fieldIdentifier)Īt _Displa圜lass0_0.b_1(Object sender, FieldChangedEventArgs eventArgs)Īt .EditContext.NotifyFieldChanged(FieldIdentifier& fieldIdentifier)Īt 圎ditorBase`2.OnValueChangedInternal()Īt .ComboBoxState`2.c_Displa圜lass38_0.b_0(TData item)Īt .EmitterObserver`1.OnNext(T value)Īt .ObservableBase`1.NotifySubscriber(T& data, IObserver`1& observersSnapshot)Īt .ObservableStrategy`3.NotifySubscribers(T data)Īt .DataGridSelectionService`1.SetRowSelectedCore(T dataItem, Boolean value, DataGridSelectionMode mode, Boolean raiseChangedEvent)Īt .DataGridSelectionService`1.SetRowSelected(T dataItem, Boolean value, DataGridSelectionMode mode)Īt .DataGridDataItemSelectionState`1.c_Displa圜lass3_0.b_2(Boolean selected) > : Exception has been thrown by the target of an invocation. : Exception has been thrown by the target of an invocation.
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