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我试图使用ViewModel的属性为WPF Extended ToolKit中的控件BusyIndicator分配文本值。提供的控件示例使用DataTemplate来分配进度文本。静态分配文本很好,但是当试图访问来自虚拟机的值来分配值时会导致绑定错误。从WPF UserControl的<DataTemplate>中访问VM
public partial class App : Application {
private void OnStartup(object sender, StartupEventArgs seArgs) {
MainWindowView mwv = new MainWindowView();
mwv.DataContext = new DataSetViewModel(new DataSetModel());
mwv.Show();
}
}
视图控制工作,除了从VM获得内容字符串:
<kit:BusyIndicator IsBusy="{Binding Path=ProcessingData,Converter={StaticResource busyIndicator}}"
DisplayAfter="0"
>
<kit:BusyIndicator.BusyContentTemplate>
<DataTemplate>
<StackPanel Margin="4">
<!-- Output Error is 'WaitProgressUploadTitle' property not found on 'object' ''String' (HashCode=-775806441)'... -->
<!-- Output Error is 'WaitProgressUploadContent' property not found on 'object' ''String' (HashCode=-775806441)'... -->
<TextBlock Text="{Binding Path=WaitProgressUploadTitle}" FontWeight="Bold" HorizontalAlignment="Center"/>
<StackPanel Margin="4">
<TextBlock Text="{Binding Path=WaitProgressUploadContent}" />
<ProgressBar Value="40" Height="15"/>
</StackPanel>
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition/>
<ColumnDefinition/>
</Grid.ColumnDefinitions>
<Button Grid.Column="0" Content="Pause" HorizontalAlignment="Right" Margin="0 0 2 0"/>
<Button Grid.Column="1" Content="Cancel" HorizontalAlignment="Left" Margin="2 0 0 0"/>
</Grid>
</StackPanel>
</DataTemplate>
</kit:BusyIndicator.BusyContentTemplate>
<kit:BusyIndicator.OverlayStyle>
<Style TargetType="Rectangle">
<Setter Property="Fill" Value="#ffffeeee"/>
</Style>
</kit:BusyIndicator.OverlayStyle>
<kit:BusyIndicator.ProgressBarStyle>
<Style TargetType="ProgressBar">
<Setter Property="Visibility" Value="Collapsed"/>
</Style>
</kit:BusyIndicator.ProgressBarStyle>
<TextBlock Text="CONTENTCONTENTCONTENTCONTENT" Margin="0,100,0,0" HorizontalAlignment="Center" MaxWidth="675" TextAlignment="Center" FontSize="20" Visibility="{Binding Path=FileOpenGood,Converter={StaticResource errorVisibility}}" Background="Cornsilk" />
</kit:BusyIndicator>