所以,我对于未能成功地进行正确绑定一个TreeView的样式。 我已经绑定了用户控件的图形高度属性的高度属性,但是,由于某些未知原因,它找不到用户控件。我希望有人能够解释这个问题。禁止将模板的属性绑定到除模板父项以外的其他项目吗?为什么它不能仅仅因为它是一种风格而找到这个元素。WPF绑定风格到另一个控件的属性
从XAML文件的开头:
<UserControl
x:Class="WpfExperimental.GraphViewer"
x:Name="graph_viewer"
,然后风格:
<Style x:Key="SignalNameTreeViewStyle" TargetType="TreeView">
<Setter Property="OverridesDefaultStyle" Value="True" />
<Setter Property="SnapsToDevicePixels" Value="True" />
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="TreeView">
<ScrollViewer x:Name="SignalNameTreeView_ScrollViewer" HorizontalScrollBarVisibility="Disabled" VerticalScrollBarVisibility="Hidden">
<StackPanel>
<wpfExp:SignalNameBox x:Name="TreeViewTimeTextBox" Grid.Row="0" Grid.Column="0"
Height="{Binding ElementName=graph_viewer, Path=GraphHeight, Mode=OneWay}"
Width="200"
Margin="19,0,0,0"
MainText="Time"
/>
<ItemsPresenter/>
</StackPanel>
</ScrollViewer>
<ControlTemplate.Triggers>
<Trigger Property="ItemsControl.HasItems" Value="False">
<Setter TargetName="TreeViewTimeTextBox"
Property="Visibility"
Value="Collapsed"/>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
目前我得到的数据,从这种企图绑定错误绑定
ystem.Windows.Data Error: 39 : BindingExpression path error: 'GraphHeight' property not found on 'object' ''UserControl' (Name='graph_viewer')'. BindingExpression:Path=GraphHeight; DataItem='UserControl' (Name='graph_viewer'); target element is 'SignalNameBox' (Name='TreeViewTimeTextBox'); target property is 'Height' (type 'Double')
System.Windows.Data Error: 39 : BindingExpression path error: 'GraphHeight' property not found on 'object' ''UserControl' (Name='graph_viewer')'. BindingExpression:Path=GraphHeight; DataItem='UserControl' (Name='graph_viewer'); target element is 'SignalGraphAxis' (Name='signal_axis'); target property is 'GraphHeight' (type 'Int32')
System.Windows.Data Error: 39 : BindingExpression path error: '_SignalDataViewModel' property not found on 'object' ''UserControl' (Name='graph_viewer')'. BindingExpression:Path=_SignalDataViewModel.MaxTimeValue; DataItem='UserControl' (Name='graph_viewer'); target element is 'SignalGraphAxis' (Name='signal_axis'); target property is 'MaxTimeValue' (type 'Int32')
尝试更换''上TemplateBinding' Binding'。它有帮助吗? –