创建(创建)可重用的动态视图
Eng*_*ock 9 wpf xaml wpf-controls wpf-4.0
Out团队希望创建可重用,可管理的视图.例如,我们希望在不同的应用程序中重用CommonPromptView(我们自己的,可自定义的对话框,我们可以隐藏"取消"按钮,设置标题,显示特定图标等).
该视图在其表面上有几个元素:TextBlocks,Buttons.我们想让它们成为一种风格.
那么,解决这个任务的最佳方法是什么？
- 视图可以是Window类型.
- 视图可以是UserControl类型.
在第一种情况下,可以通过两种方式支持样式:
- 元素样式引用了DynamicResources.
- 样式将传递给View的构造函数.
两者都不干净(在我看来).
但是如果View是UserControl,那么每次创建新app的人都必须创建一个新窗口来包含UserControl并将其绑定到DP(Style类型)正确.此外,如果UserControl拥有它自己非常方便的API(最常用操作的静态方法),对于包含UserControl的Window用户来说,这将丢失.
Update
CommonPromptView作为UserControl实现的示例.
Code-behind
public sealed partial class CommonPromptView {
private const int CloseViewTimeIntervalInMilliseconds = 120000;
private DispatcherTimer timer;
public static readonly DependencyProperty CommonPromptBorderStyleProperty = DependencyProperty.Register(
"CommonPromptBorderStyle", typeof (Style), typeof (CommonPromptView), new PropertyMetadata(default(Style)));
public Style CommonPromptBorderStyle {
get { return (Style) GetValue(CommonPromptBorderStyleProperty); }
set { SetValue(CommonPromptBorderStyleProperty, value); }
}
public static readonly DependencyProperty CommonPromptHeaderStyleProperty = DependencyProperty.Register(
"CommonPromptHeaderStyle", typeof (Style), typeof (CommonPromptView), new PropertyMetadata(default(Style)));
public Style CommonPromptHeaderStyle {
get { return (Style) GetValue(CommonPromptHeaderStyleProperty); }
set { SetValue(CommonPromptHeaderStyleProperty, value); }
}
public static readonly DependencyProperty CommonPromptMessageStyleProperty = DependencyProperty.Register(
"CommonPromptMessageStyle", typeof (Style), typeof (CommonPromptView), new PropertyMetadata(default(Style)));
public Style CommonPromptMessageStyle {
get { return (Style) GetValue(CommonPromptMessageStyleProperty); }
set { SetValue(CommonPromptMessageStyleProperty, value); }
}
public static readonly DependencyProperty CommonPromptSpitterStyleProperty = DependencyProperty.Register(
"CommonPromptSpitterStyle", typeof (Style), typeof (CommonPromptView), new PropertyMetadata(default(Style)));
public Style CommonPromptSpitterStyle {
get { return (Style) GetValue(CommonPromptSpitterStyleProperty); }
set { SetValue(CommonPromptSpitterStyleProperty, value); }
}
public static readonly DependencyProperty CommonPromptButtonStyleProperty = DependencyProperty.Register(
"CommonPromptButtonStyle", typeof (Style), typeof (CommonPromptView), new PropertyMetadata(default(Style)));
public Style CommonPromptButtonStyle {
get { return (Style) GetValue(CommonPromptButtonStyleProperty); }
set { SetValue(CommonPromptButtonStyleProperty, value); }
}
[SuppressMessage("Microsoft.Usage", "CA2214:DoNotCallOverridableMethodsInConstructors")]
public CommonPromptView(object header = null, string message = "?? ????????????? ?????? ???????????",
Visibility headerVisibility = Visibility.Collapsed,
MessageBoxIconWPF iconType = MessageBoxIconWPF.Question,
object affirmButtonContent = null, object cancelButtonContent = null,
Visibility cancelButtonVisibility = Visibility.Visible, Visibility affirmButtonVisibility = Visibility.Visible) {
InitializeComponent();
Header.Content = header ?? string.Empty;
if (header == null)
HeaderSplitter.Visibility = Visibility.Collapsed;
Message.Content = message;
Ok.Content = affirmButtonContent ?? "??";
Cancel.Content = cancelButtonContent ?? "??????";
Cancel.Visibility = cancelButtonVisibility;
Header.Visibility = headerVisibility;
Ok.Visibility = affirmButtonVisibility;
BitmapImage icon = new BitmapImage();
icon.BeginInit();
icon.UriSource = new Uri(GetIconPath(iconType));
//new Uri("pack://application:,,,/ApplicationName;component/Resources/logo.png");
icon.EndInit();
Icon.Source = icon;
SetTimer();
}
private static string GetIconPath(MessageBoxIconWPF icon) {
const string uri = "pack://application:,,,/Microtech.WPF.Common;component/";
string iconName;
switch (icon) {
case MessageBoxIconWPF.Error:
iconName = "CustomDialogStop";
break;
case MessageBoxIconWPF.Information:
iconName = "CustomDialogInformation";
break;
case MessageBoxIconWPF.Question:
iconName = "CustomDialogQuestion";
break;
case MessageBoxIconWPF.Warning:
iconName = "CustomDialogWarning";
break;
default:
throw new ArgumentException("There were no such an image");
}
return uri + string.Format("Images/{0}.{1}", iconName, "png");
}
public CommonPromptView(string content, Visibility cancelButtonVisibility = Visibility.Visible)
: this(message: content, cancelButtonVisibility: cancelButtonVisibility) {
}
private void SetTimer() {
TimeSpan timerInterval = TimeSpan.FromMilliseconds(CloseViewTimeIntervalInMilliseconds);
timer = new DispatcherTimer(timerInterval, DispatcherPriority.ApplicationIdle,
(obj, e) => Cancel_Click(null, null),
Dispatcher.CurrentDispatcher);
timer.Start();
}
public CommonPromptView() {
InitializeComponent();
}
public static bool PromptOnUserAgreement(string header, string message, string okText = "??",
string cancelText = "???") {
return new CommonPromptView(header,
message, Visibility.Visible, MessageBoxIconWPF.Information, okText, cancelText).ShowDialog()
.GetValueOrDefault();
}
public static void PromptOnWarning(string header, string message) {
new CommonPromptView(header, message, headerVisibility: Visibility.Visible, iconType: MessageBoxIconWPF.Warning,
cancelButtonVisibility: Visibility.Collapsed).ShowDialog();
}
public static void PromptOnError(string header, string message) {
new CommonPromptView(header, message, headerVisibility: Visibility.Visible, iconType: MessageBoxIconWPF.Error,
cancelButtonVisibility: Visibility.Collapsed).ShowDialog();
}
public static void PromptOnSuccess(string header, string message) {
new CommonPromptView(header, message, headerVisibility: Visibility.Visible,
iconType: MessageBoxIconWPF.Information,
cancelButtonVisibility: Visibility.Collapsed).ShowDialog();
}
private void Ok_Click(object sender, RoutedEventArgs e) {
StopTimer();
TryCloseTheWindow(true);
}
private void Cancel_Click(object sender, RoutedEventArgs e) {
StopTimer();
TryCloseTheWindow(false);
}
private void TryCloseTheWindow(bool dialogResult) {
Window parentwin = GetWindow(this);
if (parentwin != null) {
try {
parentwin.DialogResult = dialogResult;
} catch (InvalidOperationException) {
}
parentwin.Close();
}
}
private void StopTimer() {
if (timer != null) {
timer.Stop();
timer = null;
}
}
}
XAML
<UserControl xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
x:Class="Microtech.WPF.Common.CommonPromptView"
Background="Transparent"
DataContext="{Binding RelativeSource={RelativeSource Self}}">
<UserControl.Resources>
<Style x:Key="DefaultViewStyle" TargetType="Window">
<Setter Property="ResizeMode" Value="NoResize" />
<Setter Property="ShowInTaskbar" Value="False" />
<Setter Property="WindowStyle" Value="None" />
<Setter Property="WindowState" Value="Normal" />
<Setter Property="SizeToContent" Value="WidthAndHeight" />
<Setter Property="Topmost" Value="True" />
<Setter Property="Cursor" Value="Arrow" />
</Style>
<Style x:Key="DefaultHeaderStyle" TargetType="Label">
<Setter Property="Margin" Value="10,5,5,5"/>
<Setter Property="HorizontalAlignment" Value="Left" />
<Setter Property="VerticalAlignment" Value="Center" />
<Setter Property="FontSize" Value="20" />
<Setter Property="FontWeight" Value="Bold" />
</Style>
<Style x:Key="DefaultBorderStyle" TargetType="Border">
<Setter Property="Background" Value="#ADAAAD"/>
<Setter Property="BorderBrush" Value="Black" />
<Setter Property="Padding" Value="10" />
<Setter Property="BorderThickness" Value="3"/>
<Setter Property="CornerRadius" Value="10"/>
</Style>
<Style x:Key="DefaultMessageStyle" TargetType="Label">
<Setter Property="Margin" Value="10"/>
<Setter Property="FontSize" Value="14"/>
<Setter Property="FontFamily" Value="Verdana"/>
<Setter Property="FontWeight" Value="Normal"/>
</Style>
<Style x:Key="DefaultSplitterStyle" TargetType="GridSplitter">
<Setter Property="HorizontalAlignment" Value="Stretch" />
<Setter Property="VerticalAlignment" Value="Bottom" />
<Setter Property="BorderThickness" Value="0.65" />
<Setter Property="BorderBrush" Value="Black" />
<Setter Property="IsEnabled" Value="False" />
</Style>
<Style x:Key="FStandartButton" TargetType="{x:Type Button}">
<Setter Property="Background" Value="{x:Null}" />
<Setter Property="BorderBrush" Value="#00000000" />
<Setter Property="Foreground" Value="White" />
<Setter Property="VerticalContentAlignment" Value="Center" />
<Setter Property="Height" Value="Auto" />
<Setter Property="MinHeight" Value="55" />
<Setter Property="Width" Value="420" />
<Setter Property="Margin" Value="5" />
<Setter Property="Padding" Value="10" />
<Setter Property="FontSize" Value="22" />
<Setter Property="FontWeight" Value="Bold" />
<Setter Property="FocusVisualStyle" Value="{x:Null}" />
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="Button">
<Border x:Name="border" BorderBrush="#FF000000" BorderThickness="1,1,1,1" CornerRadius="4,4,4,4">
<Border.Background>
<LinearGradientBrush StartPoint="0.5,0" EndPoint="0.5,1">
<GradientStop Offset="0" Color="#8C8A8C" />
<GradientStop Offset="1" Color="#636163" />
</LinearGradientBrush>
</Border.Background>
<ContentPresenter Name="ContentContainer"
HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
RecognizesAccessKey="True"
SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"
VerticalAlignment="{TemplateBinding VerticalContentAlignment}" />
</Border>
<ControlTemplate.Triggers>
<Trigger Property="IsPressed" Value="True">
<Setter TargetName="border" Property="Background" Value="#CC000000" />
</Trigger>
<Trigger Property="IsEnabled" Value="False">
<Setter Property="Foreground" Value="Gray" />
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
<Style x:Key="DefaultButtonStyle" TargetType="Button" BasedOn="{StaticResource FStandartButton}">
<Setter Property="FontFamily" Value="Verdana"/>
<Setter Property="FontSize" Value="14"/>
<Setter Property="Margin" Value="6"/>
</Style>
</UserControl.Resources>
<Border Style="{Binding CommonPromptBorderStyle, TargetNullValue={StaticResource DefaultBorderStyle}}">
<Grid>
<Grid.RowDefinitions>
<RowDefinition Height="Auto" />
<RowDefinition Height="Auto" />
<RowDefinition Height="Auto" />
</Grid.RowDefinitions>
<Label x:Name="Header"
Style="{Binding CommonPromptHeaderStyle, TargetNullValue={StaticResource DefaultHeaderStyle}}" />
<GridSplitter x:Name="HeaderSplitter" Grid.Row="0"
Style="{Binding CommonPromptSpitterStyle, TargetNullValue={StaticResource DefaultSplitterStyle}}"
/>
<StackPanel Grid.Row="1" Margin="5,10,5,0" Orientation="Horizontal">
<Image x:Name="Icon" Width="32" Height="32" Margin="5"
HorizontalAlignment="Left"
VerticalAlignment="Center" />
<Label x:Name="Message"
Style="{Binding CommonPromptMessageStyle,
TargetNullValue={StaticResource DefaultMessageStyle}}" />
</StackPanel>
<StackPanel Grid.Row="2" HorizontalAlignment="Center" Orientation="Horizontal">
<Button x:Name="Ok"
Style="{Binding CommonPromptButtonStyle, TargetNullValue={StaticResource DefaultButtonStyle}}"
Click="Ok_Click" />
<Button x:Name="Cancel"
Style="{Binding CommonPromptButtonStyle, TargetNullValue={StaticResource DefaultButtonStyle}}"
IsDefault="True" Click="Cancel_Click" />
</StackPanel>
</Grid>
</Border>
我认为在你的情况下，你需要朝 的方向看DataTemplate，以使dynamic content. I made a few examples that show this. The general meaning of this examples:
\n\n\n给定两个按钮，一个用于用户，一个用于管理员。如果选择
\nUser，则向用户显示内容，如果Admin, then for administrator.
显然，这不是最现实的例子，但这只是展示内容动态选择的一种方式。对于您来说，您将确定替换内容的条件。
\n\nExample A
此示例演示了动态替换DataTemplates，具体取决于输入值\xe2\x80\x8b\xe2\x80\x8b。如果我们从风格模式的角度思考，它与抽象工厂非常相似，其中工厂方法不是类 - DataTemplate，而是动态DataTemplate选择器。示例完全适合MVVM pattern. Below is an example:
MainWindow.xaml
<Grid>\n <ContentControl Name="MainView"\n ContentTemplate="{StaticResource MainView}">\n\n <ViewModels:MainViewModel />\n </ContentControl>\n</Grid>\nMainView.xaml
这是DataTemplate在ResourceDictionary. 有两个模板：UserTemplate 和 AdminTemplate。一份供用户使用，一份供管理员使用。ContentControl采用定义的ContentTemplateSelector样式，以及将按条件安装的模板集合。在 DynamicContentControl 的属性中Content设置内容字符串，可以是：User或Admin.
<DataTemplateSelectors:DynamicTemplateSelector x:Key="MyTemplateSelector" />\n\n<DataTemplate x:Key="UserTemplate">\n <StackPanel>\n <TextBlock Text="Content for user"\n FontSize="20"\n HorizontalAlignment="Center"\n VerticalAlignment="Center" />\n\n <Button Content="Yes" />\n <Button Content="No" />\n </StackPanel>\n</DataTemplate>\n\n<DataTemplate x:Key="AdminTemplate">\n <StackPanel>\n <TextBlock Text="Content for admin"\n FontSize="20"\n HorizontalAlignment="Center"\n VerticalAlignment="Center" />\n\n <TextBox Text="Whom banned?" />\n <Button Content="Ban" />\n <Button Content="AntiBan" />\n </StackPanel>\n</DataTemplate>\n\n<Style x:Key="DynamicContentStyle" TargetType="{x:Type ContentControl}">\n <Setter Property="ContentTemplateSelector" Value="{StaticResource MyTemplateSelector}" />\n <Setter Property="Width" Value="200" />\n <Setter Property="Height" Value="200" />\n\n <Setter Property="DataTemplateSelectors:DynamicTemplateSelector.Templates">\n <Setter.Value>\n <DataTemplateSelectors:TemplateCollection>\n <DataTemplateSelectors:Template Value="User" \n DataTemplate="{StaticResource UserTemplate}" />\n\n <DataTemplateSelectors:Template Value="Admin" \n DataTemplate="{StaticResource AdminTemplate}" />\n </DataTemplateSelectors:TemplateCollection>\n </Setter.Value>\n </Setter>\n</Style>\n\n<DataTemplate x:Key="MainView" DataType="{x:Type ViewModels:MainViewModel}">\n <Grid>\n <Button Name="UserButton"\n Content="Are you user?"\n Width="100"\n Height="30"\n HorizontalAlignment="Left"\n VerticalAlignment="Top"\n Command="{Binding UserButtonCommand}" />\n\n <Button Name="AdminButton"\n Content="Are you admin?"\n Width="100"\n Height="30"\n HorizontalAlignment="Right"\n VerticalAlignment="Top"\n Command="{Binding AdminButtonCommand}" />\n\n <ContentControl Name="DynamicContent" \n Style="{StaticResource DynamicContentStyle}"\n Content="{Binding Path=MainModel.ContentType,\n Mode=TwoWay,\n UpdateSourceTrigger=PropertyChanged}" />\n </Grid>\n</DataTemplate>\nMainViewModel.cs
这里的命令设置内容类型。
\n\npublic class MainViewModel\n{\n #region MainModel\n\n private MainModel _mainModel = null;\n\n public MainModel MainModel\n {\n get\n {\n return _mainModel;\n }\n\n set\n {\n _mainModel = value;\n }\n }\n\n #endregion\n\n #region UserButton Command\n\n private ICommand _userButtonCommand = null;\n\n public ICommand UserButtonCommand\n {\n get\n {\n if (_userButtonCommand == null)\n {\n _userButtonCommand = new RelayCommand(param => this.UserButton(), null);\n }\n\n return _userButtonCommand;\n }\n }\n\n private void UserButton() \n {\n MainModel.ContentType = "User";\n }\n\n #endregion\n\n #region AdminButton Command\n\n private ICommand _adminButtonCommand = null;\n\n public ICommand AdminButtonCommand\n {\n get\n {\n if (_adminButtonCommand == null)\n {\n _adminButtonCommand = new RelayCommand(param => this.AdminButton(), null);\n }\n\n return _adminButtonCommand;\n }\n }\n\n private void AdminButton()\n {\n MainModel.ContentType = "Admin";\n }\n\n #endregion\n\n public MainViewModel() \n {\n MainModel = new MainModel();\n }\n}\nMainModel.cs
public class MainModel : NotificationObject\n{\n private string _contentType = "";\n\n public string ContentType\n {\n get\n {\n return _contentType;\n }\n\n set\n {\n _contentType = value;\n NotifyPropertyChanged("ContentType");\n }\n }\n}\nDynamicTemplateSelector
从 CodeProject 获取并进行了少量修改：
\n\npublic class DynamicTemplateSelector : DataTemplateSelector\n{\n #region Templates Dependency Property\n\n public static readonly DependencyProperty TemplatesProperty =\n DependencyProperty.RegisterAttached("Templates", typeof(TemplateCollection), typeof(DataTemplateSelector),\n new FrameworkPropertyMetadata(new TemplateCollection(), FrameworkPropertyMetadataOptions.Inherits));\n\n public static TemplateCollection GetTemplates(UIElement element)\n {\n return (TemplateCollection)element.GetValue(TemplatesProperty);\n }\n\n public static void SetTemplates(UIElement element, TemplateCollection collection)\n {\n element.SetValue(TemplatesProperty, collection);\n }\n\n #endregion\n\n #region SelectTemplate\n\n public override DataTemplate SelectTemplate(object item, DependencyObject container)\n {\n string myStringItem = (string)item;\n\n if (!(container is UIElement))\n {\n return base.SelectTemplate(item, container);\n }\n\n TemplateCollection templates = GetTemplates(container as UIElement);\n\n if (templates == null || templates.Count == 0)\n {\n base.SelectTemplate(item, container);\n }\n\n foreach (var template in templates)\n {\n if (myStringItem.Equals(template.Value.ToString()))\n {\n return template.DataTemplate;\n }\n }\n\n return base.SelectTemplate(item, container);\n }\n\n #endregion\n}\n\n#region TemplateCollection\n\npublic class TemplateCollection : List<Template>\n{\n\n}\n\n#endregion\n\n#region Template Dependency Object\n\npublic class Template : DependencyObject\n{\n public static readonly DependencyProperty ValueProperty = DependencyProperty.Register("Value", typeof(string), typeof(Template));\n\n public static readonly DependencyProperty DataTemplateProperty =\n DependencyProperty.Register("DataTemplate", typeof(DataTemplate), typeof(Template));\n\n public string Value\n { get { return (string)GetValue(ValueProperty); } set { SetValue(ValueProperty, value); } }\n\n public DataTemplate DataTemplate\n { get { return (DataTemplate)GetValue(DataTemplateProperty); } set { SetValue(DataTemplateProperty, value); } }\n}\n\n#endregion\nResult for User
Result for Admin
Notes about this way
优点：
\n\n- \n
- 完全独立于不同的视图 \n
缺点：
\n\n- \n
- 需要为每个条件创建一个单独的数据模板（View），在某些情况下为ViewModel。 \n
结论：
\n\n这种方法适用于完全不同的视图，如果表示形式差别不大，你看第二个例子。
\n\nExample B
本例使用了一个DataTemplate，数据取自模型，默认情况下，所有控件都是隐藏的（Visibility.Collapsed），所有操作View都是通过 执行的DataTriggers。示例完全适合MVVM模式。
MainWindow.xaml
<Grid>\n <ContentControl Name="MainView"\n ContentTemplate="{StaticResource MainView}">\n\n <ViewModels:MainViewModel />\n </ContentControl>\n</Grid>\nMainView.xaml
<DataTemplate x:Key="MainView" DataType="{x:Type ViewModels:MainViewModel}">\n <Grid>\n <Button Name="UserButton"\n Content="Are you user?"\n Width="100"\n Height="30"\n HorizontalAlignment="Left"\n VerticalAlignment="Top"\n Command="{Binding UserButtonCommand}" />\n\n <Button Name="AdminButton"\n Content="Are you admin?"\n Width="100"\n Height="30"\n HorizontalAlignment="Right"\n VerticalAlignment="Top"\n Command="{Binding AdminButtonCommand}" />\n\n <StackPanel Name="MainViewPanel"\n Tag="{Binding Path=MainModel.ContentType,\n Mode=TwoWay, \n UpdateSourceTrigger=PropertyChanged}">\n\n <TextBlock Name="TitleTextBlock"\n Text="{Binding Path=MainModel.TitleText,\n Mode=TwoWay, \n UpdateSourceTrigger=PropertyChanged}"\n FontSize="20"\n HorizontalAlignment="Center"\n VerticalAlignment="Center"\n Visibility="Collapsed" />\n\n <TextBox Name="BannedTextBlock"\n Text="{Binding Path=MainModel.BannedName,\n Mode=TwoWay, \n UpdateSourceTrigger=PropertyChanged}"\n Visibility="Collapsed" />\n\n <Button Name="YesButton" \n Content="{Binding Path=MainModel.ContentYesButton,\n Mode=TwoWay, \n UpdateSourceTrigger=PropertyChanged}" \n Visibility="Collapsed" />\n\n <Button Name="NoButton" \n Content="{Binding Path=MainModel.ContentNoButton,\n Mode=TwoWay, \n UpdateSourceTrigger=PropertyChanged}" \n Visibility="Collapsed" />\n </StackPanel>\n </Grid>\n\n <DataTemplate.Triggers>\n <DataTrigger Binding="{Binding ElementName=MainViewPanel, Path=Tag}" Value="User">\n <Setter TargetName="TitleTextBlock" Property="Visibility" Value="Visible" />\n <Setter TargetName="YesButton" Property="Visibility" Value="Visible" />\n </DataTrigger>\n\n <DataTrigger Binding="{Binding ElementName=MainViewPanel, Path=Tag}" Value="Admin">\n <Setter TargetName="TitleTextBlock" Property="Visibility" Value="Visible" />\n <Setter TargetName="BannedTextBlock" Property="Visibility" Value="Visible" />\n <Setter TargetName="YesButton" Property="Visibility" Value="Visible" />\n <Setter TargetName="NoButton" Property="Visibility" Value="Visible" />\n </DataTrigger>\n </DataTemplate.Triggers>\n</DataTemplate>\nMainViewModel.cs
public class MainViewModel\n{\n #region MainModel\n\n private MainModel _mainModel = null;\n\n public MainModel MainModel\n {\n get\n {\n return _mainModel;\n }\n\n set\n {\n _mainModel = value;\n }\n }\n\n #endregion\n\n #region UserButton Command\n\n private ICommand _userButtonCommand = null;\n\n public ICommand UserButtonCommand\n {\n get\n {\n if (_userButtonCommand == null)\n {\n _userButtonCommand = new RelayCommand(param => this.UserButton(), null);\n }\n\n return _userButtonCommand;\n }\n }\n\n private void UserButton() \n {\n MainModel.ContentType = "User";\n MainModel.TitleText = "Hello User!";\n MainModel.ContentYesButton = "Yes";\n MainModel.ContentNoButton = "No";\n }\n\n #endregion\n\n #region AdminButton Command\n\n private ICommand _adminButtonCommand = null;\n\n public ICommand AdminButtonCommand\n {\n get\n {\n if (_adminButtonCommand == null)\n {\n _adminButtonCommand = new RelayCommand(param => this.AdminButton(), null);\n }\n\n return _adminButtonCommand;\n }\n }\n\n private void AdminButton()\n {\n MainModel.ContentType = "Admin";\n MainModel.TitleText = "Hello Admin!";\n MainModel.BannedName = "John Doe";\n MainModel.ContentYesButton = "Ban";\n MainModel.ContentNoButton = "AntiBan";\n }\n\n #endregion\n\n public MainViewModel() \n {\n MainModel = new MainModel();\n }\n}\nMainModel.cs
public class MainModel : NotificationObject\n{\n #region ContentType\n\n private string _contentType = "";\n\n public string ContentType\n {\n get\n {\n return _contentType;\n }\n\n set\n {\n _contentType = value;\n NotifyPropertyChanged("ContentType");\n }\n }\n\n #endregion\n\n #region TitleText\n\n private string _titleText = "";\n\n public string TitleText\n {\n get\n {\n return _titleText;\n }\n\n set\n {\n _titleText = value;\n NotifyPropertyChanged("TitleText");\n }\n }\n\n #endregion\n\n #region BannedName\n\n private string _bannedName = "";\n\n public string BannedName\n {\n get\n {\n return _bannedName;\n }\n\n set\n {\n _bannedName = value;\n NotifyPropertyChanged("BannedName");\n }\n }\n\n #endregion\n\n #region ContentYesButton\n\n private string _contentYesButton = "";\n\n public string ContentYesButton\n {\n get\n {\n return _contentYesButton;\n }\n\n set\n {\n _contentYesButton = value;\n NotifyPropertyChanged("ContentYesButton");\n }\n }\n\n #endregion\n\n #region ContentNoButton\n\n private string _contentNoButton = "";\n\n public string ContentNoButton\n {\n get\n {\n return _contentNoButton;\n }\n\n set\n {\n _contentNoButton = value;\n NotifyPropertyChanged("ContentNoButton");\n }\n }\n\n #endregion\n}\nResult for User
Result for Admin
Notes about this way
优点：
\n\n- \n
- 只有一个数据模板 \n
缺点：
\n\n- \n
- 如果表示方式彼此差异很大，则需要
View操作大量控件和数据。 \n
结论：
\n\n该方法适用于Views，彼此之间差异不是很大，并且不同值的数量也不是太多。
\n\n这两个示例都可以通过此链接获得。
\n