简介:原文 使用MVVM DataTriggers在WPF XAML视图之间切换 相关文章: http://www.technical-recipes.com/2016/switching-between-wpf-xaml-views-using-mvvm-datatemplate/ 这篇文章解决了能够根据ViewModel类的属性在不同视图之间切换的问题。 原文使用MVVM DataTrigger
You may be familiar with triggers in RDBMS. It performs some action whenever an event takes place, like Updating a table or something. It's the same concept in WPF: It is a response to an action. Triggers are applied on styles or directly on controls, so you first need to learn what...
<CheckBox Content="Style EventTrigger " Width="70" HorizontalAlignment="Left"> <CheckBox.Resources> <Style TargetType="{x:Type CheckBox}"> <Setter Property="Foreground" Value="SkyBlue"/> <Style.Triggers> <EventTrigger RoutedEvent="Mouse.MouseEnter"> <EventTrigger.Actions> <BeginStoryboard> <Story...
There are three values that can be set for the UpdateSourceTrigger: Explicit, LostFocus, and PropertyChanged. When you set the UpdateSourceTrigger to Explicit, the source will not be updated unless the BindingExpression.UpdateSource method is called from code. The LostFocus setting (the default ...
(因为没有绑定TextChanged事件,所以输入完成后需要丢失焦点才会有反应我按下了Tab键。这里需要使用Binding的一个属性UpdateSourceTrigger.他的类型是一个枚举。目前先不延申去讲)。我们看到了没有针对性的写后台的的代码通过一个属性,就完成了多处的使用和更新。而这个属性是业务层的。所以可以通过这个值来干很多的...
<!-- START DATE --> <TextBlock Grid.Row="0">Start Date:</TextBlock> <TextBox Grid.Row="1"> <TextBox.Text> <Binding Path="StartDate" UpdateSourceTrigger="PropertyChanged"> <Binding.ValidationRules> <ExceptionValidationRule /> </Binding.ValidationRules> </Binding> <...
<DataGridTemplateColumnx:Key="controlColumn"Header="Control"HeaderStyle="{StaticResource controlHeader}"local:ControlView.ControlEnabled="{Binding Value.ControlMasterEnabled,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged,RelativeSource={RelativeSource Mode=FindAncestor,Type={x:Type local:ControlView}}}"> ...
In the previous example, we placed the trigger within the DataTemplate using the DataTemplate.Triggers property. The Setter of the trigger sets the value of a property of an element (the Border element) that is within the DataTemplate. However, if the properties that your Setters are concerned...
<telerik:GridViewDataColumn.CellEditTemplate><DataTemplate><TextBoxText="{BindingPath=MyPropertyName,ValidatesOnNotifyDataErrors=True,ValidatesOnDataErrors=True,NotifyOnValidationError=True,ValidatesOnExceptions=True,UpdateSourceTrigger=PropertyChanged,Mode=TwoWay}"/></DataTemplate></telerik:GridViewDataColumn.Cell...
xmlns:local="clr-namespace:Dependency.Injection.WPFHost This mechanism ensures that the bindings in the XAML file refer to properties in the class MainViewModel . A typical binding declaration is shown below: Visibility="{Binding BusyVisibility, Mode=OneWay, UpdateSourceTrigger=PropertyChanged, Fall...