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将依赖属性设置为 XAML 元素时遇到问题。XAML:

        <local2:RichTextColumns xmlns:local2="using:App2.Common">
            <local2:RichTextColumns.ColumnTemplate>
                <DataTemplate x:Name="overflowControl1">
                    <RichTextBlockOverflow Width="1000" Margin="5,0,0,0"/>
                </DataTemplate>
            </local2:RichTextColumns.ColumnTemplate>
            <RichTextBlock Foreground="Black" Width="1000">
                <Paragraph>
                </Paragraph>
            </RichTextBlock>
        </local2:RichTextColumns>

C#

var tmp = (DataTemplate)FindName("overflowControl1");
tmp.SetValue(RichTextBlockOverflow.ActualWidthProperty, 100);

结果是

灾难性故障(HRESULT 异常:0x8000FFFF (E_UNEXPECTED))。

我也尝试过使用RichTextBlockOverflow.WidthProperty

先感谢您 :)

4

2 回答 2

1

尝试

<local2:RichTextColumns xmlns:local2="using:App2.Common">
        <local2:RichTextColumns.ColumnTemplate>
            <DataTemplate>
                <RichTextBlockOverflow  x:Name="overflowControl1" Width="1000" Margin="5,0,0,0"/>
            </DataTemplate>
        </local2:RichTextColumns.ColumnTemplate>
        <RichTextBlock Foreground="Black" Width="1000">
            <Paragraph>
            </Paragraph>
        </RichTextBlock>
    </local2:RichTextColumns>

C#

var tmp = (RichTextBlockOverflow)FindName("overflowControl1");
tmp.SetValue(RichTextBlockOverflow.WidthProperty, 100);
于 2012-08-06T22:53:21.947 回答
0

好的 找到了很好的解决方案。我使用绑定为 RichTextBlock 和 RichTextBlockOverflow 设置相同的宽度。

于 2012-08-07T16:24:24.810 回答