{"id":272243,"date":"2016-01-16T15:35:02","date_gmt":"2016-01-16T12:35:02","guid":{"rendered":"http:\/\/savepearlharbor.com\/?p=272243"},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-29T21:00:00","slug":"","status":"publish","type":"post","link":"https:\/\/savepearlharbor.com\/?p=272243","title":{"rendered":"BindableConverter \u0434\u043b\u044f WPF"},"content":{"rendered":"<p>       <b>\u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430:<\/b> WPF \u043a\u043b\u0430\u0441\u0441\u043d\u0430\u044f \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u044f, \u043d\u043e \u043c\u0435\u0441\u0442\u0430\u043c\u0438 \u043d\u0435\u0434\u043e\u0440\u0430\u0431\u043e\u0442\u0430\u043d\u043d\u0430\u044f. \u041d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0432\u043e\u0442 \u0442\u0430\u043a\u043e\u0439 \u043a\u043e\u0434 \u043f\u043b\u044e\u043d\u0435\u0442 \u0432 \u0432\u0430\u0441 \u044d\u043a\u0441\u0435\u043f\u0448\u0438\u043d\u043e\u043c, \u043f\u043e\u0441\u043a\u043e\u043b\u044c\u043a\u0443 ConverterParameter \u043d\u0435 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043d\u0430\u0441\u043b\u0435\u0434\u043d\u0438\u043a\u043e\u043c DependencyObject&#8217;a:  <\/p>\n<pre><code class=\"cs\">&lt;...Text={Binding SourceProperty, Converter={StaticResource SomethingToSomethingElseConverter} ConverterParameter={Binding AnotherSourceProperty}} \/&gt; <\/code><\/pre>\n<p>  \u0421\u043e\u0431\u0441\u0442\u0432\u0435\u043d\u043d\u043e, \u044d\u0442\u043e \u0438 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0430. \u0410 \u043d\u0438\u0436\u0435 \u0435\u0435 \u0440\u0435\u0448\u0435\u043d\u0438\u0435.<br \/>  <a name=\"habracut\"><\/a><\/p>\n<p>  \u0412 \u043f\u0440\u0438\u043d\u0446\u0438\u043f\u0435, \u0440\u0435\u0448\u0438\u0442\u044c \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0443 \u043c\u043e\u0436\u043d\u043e \u0434\u0432\u0443\u043c\u044f \u043f\u0443\u0442\u044f\u043c\u0438: \u043f\u0435\u0440\u0432\u043e\u0435 DependencyProperty.Register(..), \u0432\u0442\u043e\u0440\u043e\u0435 \u2014 .RegisterAttached(..). \u0420\u0430\u0437\u043d\u0438\u0446\u0430 \u0432 \u0442\u043e\u043c, \u0447\u0442\u043e \u0432\u0442\u043e\u0440\u043e\u0439 \u0432\u0430\u0440\u0438\u0430\u043d\u0442 \u0438 \u043a\u043e\u043d\u0446\u0435\u043f\u0442\u0443\u0430\u043b\u044c\u043d\u043e, \u0438 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u043d\u043e \u0443\u0449\u0435\u0440\u0431\u043d\u044b\u0439. \u041f\u043e\u044d\u0442\u043e\u043c\u0443 \u0432\u043e\u0442 \u0442\u0430\u043a:  <\/p>\n<pre><code class=\"cs\">using System; using System.Globalization; using System.Windows; using System.Windows.Data;  namespace BindableConverter {     [ValueConversion(typeof(object), typeof(object))]     public class BindableConverterBase : DependencyObject, IValueConverter, IMultiValueConverter     {         #region BindableParameters          #region BindableParameter1         public object BindableParameter1         {             get { return GetValue(BindableParameter1Property); }             set { SetValue(BindableParameter1Property, value); }         }          public static readonly DependencyProperty BindableParameter1Property = DependencyProperty.Register(                 nameof(BindableParameter1),                 typeof(object),                 typeof(BindableConverterBase),                 new PropertyMetadata(String.Empty)                 );         #endregion          #region BindableParameter2         public object BindableParameter2         {             get { return GetValue(BindableParameter2Property); }             set { SetValue(BindableParameter2Property, value); }         }          public static readonly DependencyProperty BindableParameter2Property = DependencyProperty.Register(                 nameof(BindableParameter2),                 typeof(object),                 typeof(BindableConverterBase),                 new PropertyMetadata(String.Empty)                 );         #endregion          #region BindableParameter3         public object BindableParameter3         {             get { return GetValue(BindableParameter3Property); }             set { SetValue(BindableParameter3Property, value); }         }          public static readonly DependencyProperty BindableParameter3Property = DependencyProperty.Register(                 nameof(BindableParameter3),                 typeof(object),                 typeof(BindableConverterBase),                 new PropertyMetadata(String.Empty)                 );         #endregion          #endregion            #region IValueConverter         public virtual object Convert(object value, Type targetType, object parameter, CultureInfo culture)         {             throw new NotImplementedException();         }          public virtual object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)         {             throw new NotImplementedException();         }         #endregion          #region IMultiValueConverter         public virtual object Convert(object[] values, Type targetType, object parameter, CultureInfo culture)         {             throw new NotImplementedException();         }          public virtual object[] ConvertBack(object value, Type[] targetTypes, object parameter, CultureInfo culture)         {             throw new NotImplementedException();         }         #endregion     } } <\/code><\/pre>\n<p>  \u041f\u043e\u0441\u043a\u043e\u043b\u044c\u043a\u0443 \u043a\u043b\u0430\u0441\u0441 \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043b \u043e\u0431\u0430 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441, \u0442\u043e \u0431\u0443\u0434\u0435\u0442 \u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c \u0438 \u0441 \u043e\u0431\u044b\u0447\u043d\u044b\u043c \u0431\u0438\u043d\u0434\u0438\u043d\u0433\u043e\u043c, \u0438 \u0441 MultiBinding. \u0421\u043e\u0431\u0441\u0442\u0432\u0435\u043d\u043d\u043e, \u043e\u0441\u0442\u0430\u043b\u043e\u0441\u044c \u0442\u043e\u043b\u044c\u043a\u043e \u0443\u043d\u0430\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u043e\u0442 BindableConverter \u0438 \u043f\u0435\u0440\u0435\u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u044c \u043d\u0443\u0436\u043d\u044b\u0439 (\u043d\u0443\u0436\u043d\u044b\u0435, \u0447\u0442\u043e \u0440\u0435\u0434\u043a\u043e\u0441\u0442\u044c) \u043c\u0435\u0442\u043e\u0434\u044b. <\/p>\n<p>  <b>\u0412 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0438 \u0432 XAML \u0435\u0441\u0442\u044c \u043e\u0434\u0438\u043d \u043f\u0440\u0438\u043d\u0446\u0438\u043f\u0438\u0430\u043b\u044c\u043d\u044b\u0439 \u043c\u043e\u043c\u0435\u043d\u0442. \u041d\u0430\u0438\u0432\u043d\u0430\u044f \u043f\u043e\u043f\u044b\u0442\u043a\u0430 \u0442\u0438\u043f\u0430:<\/b>  <\/p>\n<pre><code class=\"cs\">&lt;Window.Resources&gt;  &lt;local:NameAndAgeToVladimirPutinConverter x:Key=&quot;NameAndAgeToVladimirPutin&quot;                   BindableParameter1=&quot;{Binding FirstName}&quot;                  BindableParameter2=&quot;{Binding Age}&quot; \/&gt; &lt;\/Window.Resources&gt; <\/code><\/pre>\n<p>  \u2026 \u043f\u0440\u0438\u0432\u0435\u0434\u0435\u0442 \u043a \u0442\u043e\u043c\u0443, \u0447\u0442\u043e \u043e\u0431\u0430 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u0430 \u0431\u0443\u0434\u0443\u0442 \u0440\u0430\u0432\u043d\u044b \u0434\u0435\u0444\u043e\u043b\u0442\u043d\u043e\u043c\u0443 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044e. \u0412\u0441\u0435\u0433\u0434\u0430 \u2014 \u043d\u0435\u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e \u043e\u0442 \u0442\u043e\u0433\u043e, \u0433\u0434\u0435 \u0438\u043c\u0435\u043d\u043d\u043e \u0432 \u0440\u0435\u0441\u0443\u0440\u0441\u0430\u0445 \u0432\u044b \u043e\u0431\u044a\u044f\u0432\u0438\u0442\u0435 \u0441\u0441\u044b\u043b\u043a\u0443 \u043d\u0430 \u043a\u043e\u043d\u0432\u0435\u0440\u0442\u043e\u0440. <br \/>  \u041f\u0440\u0438\u0437\u043d\u0430\u044e\u0441\u044c, \u043e\u043a\u043e\u043d\u0447\u0430\u0442\u0435\u043b\u044c\u043d\u043e\u0433\u043e \u043f\u043e\u043d\u0438\u043c\u0430\u043d\u0438\u044f \u043f\u043e\u0447\u0435\u043c\u0443 \u0442\u0430\u043a \u043f\u0440\u043e\u0438\u0441\u0445\u043e\u0434\u0438\u0442 \u0443 \u043c\u0435\u043d\u044f \u043d\u0435\u0442. \u0412 \u043e\u0431\u0449\u0438\u0445 \u0441\u043b\u043e\u0432\u0430\u0445 \u0441\u043c\u044b\u0441\u043b \u0432 \u0442\u043e\u043c, \u0447\u0442\u043e \u043a\u043e\u043d\u0432\u0435\u0440\u0442\u043e\u0440 \u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f \u0432\u043d\u0435 Logical\\VisualTree UI-\u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432, \u043f\u043e\u044d\u0442\u043e\u043c\u0443 \u043f\u0440\u0438\u0432\u044f\u0437\u0430\u0442\u044c\u0441\u044f \u0435\u043c\u0443 \u043f\u0440\u043e\u0441\u0442\u043e. \u0412\u043e \u0432\u0441\u044f\u043a\u043e\u043c \u0441\u043b\u0443\u0447\u0430\u0435, \u0438\u043c\u0435\u043d\u043d\u043e \u0442\u0430\u043a\u043e\u0435 \u043e\u0431\u044a\u044f\u0441\u043d\u0435\u043d\u0438\u0435 \u044f \u0440\u0430\u0441\u043a\u043e\u043f\u0430\u043b \u043d\u0430 StackOverflow. \u0420\u0435\u0448\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u044b \u0432\u044b\u0433\u043b\u044f\u0434\u0438\u0442 \u0432\u043e\u0442 \u0442\u0430\u043a:  <\/p>\n<pre><code class=\"cs\">&lt;bc:BindingProxy x:Key=&quot;BindingProxy&quot; Data=&quot;{Binding}&quot; \/&gt; &lt;local:NameAndAgeToVladimirPutinConverter x:Key=&quot;NameAndAgeToVladimirPutin&quot;                BindableParameter1=&quot;{Binding Source={StaticResource BindingProxy}, Path=Data.FirstName}&quot;               BindableParameter2=&quot;{Binding Source={StaticResource BindingProxy}, Path=Data.Age}&quot;\/&gt; ... &lt;TextBlock Grid.Row=&quot;0&quot; Text=&quot;{Binding Name, Converter={StaticResource NameAndAgeToVladimirPutin}}&quot; \/&gt; <\/code><\/pre>\n<pre><code class=\"cs\">using System.Windows;  namespace BindableConverter {     public class BindingProxy : Freezable     {         protected override Freezable CreateInstanceCore()         {             return new BindingProxy();         }          \/\/\/ &lt;summary&gt;         \/\/\/ Binding data.         \/\/\/ &lt;\/summary&gt;         public object Data         {             get { return GetValue(DataProperty); }             set { SetValue(DataProperty, value); }         }          public static readonly DependencyProperty DataProperty = DependencyProperty.Register(                 nameof(Data),                  typeof(object),                 typeof(BindingProxy),                  new UIPropertyMetadata(null)             );     } } <\/code><\/pre>\n<p>  P.S. \u0412 \u043f\u043b\u0430\u043d\u0430\u0445 \u0435\u0441\u0442\u044c \u043f\u0440\u0438\u043a\u0440\u0443\u0442\u0438\u0442\u044c MarkupExtension, \u0447\u0442\u043e\u0431\u044b \u043c\u043e\u0436\u043d\u043e \u0431\u044b\u043b\u043e \u0432\u044b\u0442\u0432\u043e\u0440\u044f\u0442\u044c \u0447\u0442\u043e-\u0442\u043e \u0442\u0438\u043f\u0430 Converter={bc:BindableConverter BindingProxy={StaticResource Proxy}, Parameter1=FirstName, Parameter2=Age}. \u0415\u0441\u043b\u0438 \u0443 \u043a\u043e\u0433\u043e-\u0442\u043e \u0435\u0441\u0442\u044c \u0438\u0434\u0435\u0438 \u043a\u0430\u043a \u044d\u0442\u043e \u0441\u0434\u0435\u043b\u0430\u0442\u044c \u0435\u0449\u0435<br \/>  \u043a\u0440\u0430\u0441\u0438\u0432\u0435\u0435 \u0438 \u043b\u0430\u043a\u043e\u043d\u0438\u0447\u043d\u0435\u0435, \u0442\u043e \u043f\u043e\u0436\u0430\u043b\u0443\u0439\u0441\u0442\u0430. <\/p>\n<p>  \u0415\u0449\u0435 \u043e\u0447\u0435\u043d\u044c \u0430\u043a\u0442\u0443\u0430\u043b\u0435\u043d \u0432\u043e\u043f\u0440\u043e\u0441 \u043e \u0442\u043e\u043c, \u043f\u043e\u0447\u0435\u043c\u0443 \u0432\u0441\u0435 \u0442\u0430\u043a\u0438 \u0431\u0435\u0437 BindingProxy \u043d\u0435 \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442.               <\/p>\n<div class=\"clear\"><\/div>\n<p> \u0441\u0441\u044b\u043b\u043a\u0430 \u043d\u0430 \u043e\u0440\u0438\u0433\u0438\u043d\u0430\u043b \u0441\u0442\u0430\u0442\u044c\u0438 <a href=\"http:\/\/habrahabr.ru\/post\/275223\/\"> http:\/\/habrahabr.ru\/post\/275223\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>       <b>\u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430:<\/b> WPF \u043a\u043b\u0430\u0441\u0441\u043d\u0430\u044f \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u044f, \u043d\u043e \u043c\u0435\u0441\u0442\u0430\u043c\u0438 \u043d\u0435\u0434\u043e\u0440\u0430\u0431\u043e\u0442\u0430\u043d\u043d\u0430\u044f. \u041d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0432\u043e\u0442 \u0442\u0430\u043a\u043e\u0439 \u043a\u043e\u0434 \u043f\u043b\u044e\u043d\u0435\u0442 \u0432 \u0432\u0430\u0441 \u044d\u043a\u0441\u0435\u043f\u0448\u0438\u043d\u043e\u043c, \u043f\u043e\u0441\u043a\u043e\u043b\u044c\u043a\u0443 ConverterParameter \u043d\u0435 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043d\u0430\u0441\u043b\u0435\u0434\u043d\u0438\u043a\u043e\u043c DependencyObject&#8217;a:  <\/p>\n<pre><code class=\"cs\">&lt;...Text={Binding SourceProperty, Converter={StaticResource SomethingToSomethingElseConverter} ConverterParameter={Binding AnotherSourceProperty}} \/&gt; <\/code><\/pre>\n<p>  \u0421\u043e\u0431\u0441\u0442\u0432\u0435\u043d\u043d\u043e, \u044d\u0442\u043e \u0438 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0430. \u0410 \u043d\u0438\u0436\u0435 \u0435\u0435 \u0440\u0435\u0448\u0435\u043d\u0438\u0435.  <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-272243","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts\/272243","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=272243"}],"version-history":[{"count":0,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts\/272243\/revisions"}],"wp:attachment":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=272243"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=272243"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=272243"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}