我想为窗口的Top和Left属性绑定值。我需要使用valueconverter和valueconverter参数(具体来说:我需要我的窗口的datacontext),不幸的是我得到错误,我的价值转换器尚未找到。是否可以使用值转换器窗口属性?
<Window x:Class="Proofing_Tool.wwwww"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:local="clr-namespace:Proofing_Tool"
xmlns:conv="clr-namespace:Proofing_Tool.ValueConverters"
mc:Ignorable="d"
Height="180"
MinHeight="50"
Width="340"
SizeToContent="Height"
AllowsTransparency="True"
WindowStyle="None"
Background="{x:Null}"
OpacityMask="White"
Name="AnomalyWindow"
Title="Anomaly Details"
ResizeMode="NoResize"
Left="{Binding ., Converter={StaticResource ValueConverterAnomalyToLeft},ConverterParameter={x:Reference Name=AnomalyWindow}}"
Top="{Binding ., Converter={StaticResource ValueConverterAnomalyToTop},ConverterParameter={x:Reference Name=AnomalyWindow}}">
<Window.Resources>
<conv:ValueConverterAnomalyToLeft x:Key="ValueConverterAnomalyToLeft" />
<conv:ValueConverterAnomalyToTop x:Key="ValueConverterAnomalyToTop" />
</Window.Resources>
编辑,以更新值,下面的部分问题效果很好:背后
<TextBlock Grid.Column="1" Text="{Binding Ano.Name, Mode=OneWay,UpdateSourceTrigger=PropertyChanged}"/>
代码:
public Anomaly Ano
{
get { return _ano; }
set
{
_ano = value;
NotifyPropertyChanged();
}
}
public event PropertyChangedEventHandler PropertyChanged;
private void NotifyPropertyChanged([CallerMemberName] String propertyName = "")
{
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
}
,这只是一次更新:
将资源声明移至App.xaml中的Application.Resources。为了将Window的DataContext传递给转换器,使用带MultiValueConverter的MultiBinding,其中一个子绑定只是' '。 –
Clemens
不幸的是,我在VSTO/Winforms应用程序内部托管WPF控件,所以我无法在App.xaml中放置声明 – buks