Snažím se analyzovat s XamlReader.Load()
a DataTemplate
(pro WPF datagrid), vytvořené dynamicky v kódu za :
DataTemplate dataTemplate;
StringReader template = new StringReader($@"
<DataTemplate
xmlns=""http://schemas.microsoft.com/winfx/2006/xaml/presentation""
xmlns:x=""http://schemas.microsoft.com/winfx/2006/xaml""
xmlns:local=""clr-namespace:MyApp;assembly=MyApp"">
<DataTemplate.Resources>
<local:ArrayMultiValueConverter x:Key=""arrayMultiValueConverter""/>
</DataTemplate.Resources>
<StackPanel Orientation=""Vertical"">
<Expander VerticalAlignment=""Center"" xmlns:i=""http://schemas.microsoft.com/xaml/behaviors"">
<i:Interaction.Triggers>
<i:EventTrigger EventName=""IsExpanded"">
<i:InvokeCommandAction Command=""{{Binding DataContext.TextFilterColumn}}""/>
</i:EventTrigger>
</i:Interaction.Triggers>
<Expander.Header>
<TextBlock x:Name=""{dtColumnName}"" VerticalAlignment=""Center"" Text=""{{TemplateBinding Content}}"" Margin=""5,5,5,0"" FontWeight=""SemiBold""/>
</Expander.Header>
<StackPanel Orientation=""Horizontal"">
<TextBox x:Name=""{"TbxFilter" + dtColumnName}"" Width=""100"" Margin=""5""/>
<TextBlock Margin=""0,0,5,0"" VerticalAlignment=""Center"" FontFamily=""Segoe MDL2 Assets"">
<Hyperlink TextDecorations=""{{x:Null}}"" Command=""{{Binding DataContext.FilterColumnName, RelativeSource={{RelativeSource FindAncestor, AncestorType={{x:Type Window}}}}}}"">
<Hyperlink.CommandParameter>
<MultiBinding Converter=""{{StaticResource arrayMultiValueConverter}}"">
<Binding Path=""Text"" ElementName=""{dtColumnName}"" />
<Binding Path=""Text"" ElementName=""{"TbxFilter" + dtColumnName}"" />
</MultiBinding>
</Hyperlink.CommandParameter>

</Hyperlink>
</TextBlock>
<TextBlock Margin=""0,0,5,0"" VerticalAlignment=""Center"" FontFamily=""Segoe MDL2 Assets"">
<Hyperlink TextDecorations=""{{x:Null}}"" Command=""{{Binding DataContext.FilterColumnName, RelativeSource={{RelativeSource FindAncestor, AncestorType={{x:Type Window}}}}}}"">
<Hyperlink.CommandParameter>
<MultiBinding Converter=""{{StaticResource arrayMultiValueConverter}}"">
<Binding Path=""Text"" ElementName=""{dtColumnName}""/>
<Binding Path=""Text"" RelativeSource=""{{RelativeSource FindAncestor, AncestorType={{x:Type TextBlock}}}}""/>
</MultiBinding>
</Hyperlink.CommandParameter>

</Hyperlink>
</TextBlock>
</StackPanel>
</Expander>
</StackPanel>
</DataTemplate>
");
XmlReader xmlReader = XmlReader.Create(template);
dataTemplate = XamlReader.Load(xmlReader) as DataTemplate;
textColumn.HeaderTemplate = dataTemplate;
Vše funguje, když jsem odstranit tuto část kódu :
<i:Interaction.Triggers>
<i:EventTrigger EventName=""IsExpanded"">
<i:InvokeCommandAction Command=""{{Binding DataContext.TextFilterColumn}}""/>
</i:EventTrigger>
</i:Interaction.Triggers>
Ale když jsem se přidat to tam je Exception Thrown
:
Systém.Systém Windows.Markup.XamlParseException: "Nelze nastavit neznámý člen '{http://schemas.microsoft.com/xaml/behaviors}Interakce.Spouštěče'.' Linka číslo " 11 " a polohy čáry '10'.'
Já používám "XAML Chování" v návaznosti na tento článek (ale totéž se stalo s Interactivity
) :
https://devblogs.microsoft.com/dotnet/open-sourcing-xaml-behaviors-for-wpf/
To se zdá být problém s XamlReader.Load(xmlReader)
.
Pokud někdo zná řešení, budu vděčný.
Konfigurace :
- Rámec 4.8 (zkoušel s 4.7.2)
- Microsoft.Xaml.Chování.Wpf 1.1.39
Díky.