在我的应用程序中,我正在使用Avalon的TextEditor。
使用以下代码,我正在创建一个工作正常的VisualLineElementGenerator
:
internal class SoftwareDependencyElementGenerator : VisualLineElementGenerator
{
private static readonly Regex imageRegex = new Regex(@"<Dependencies>([ \t])*$");
private readonly Action<object> doImportAction;
public SoftwareDependencyElementGenerator(Action<object> doImportAction)
{
this.doImportAction = doImportAction;
}
private Match FindMatch(int startOffset)
{
int endOffset = CurrentContext.VisualLine.LastDocumentLine.EndOffset;
TextDocument document = CurrentContext.Document;
string relevantText = document.GetText(startOffset, endOffset - startOffset);
return imageRegex.Match(relevantText);
}
public override int GetFirstInterestedOffset(int startOffset)
{
Match match = FindMatch(startOffset);
return match.Success ? (startOffset + match.Index) : -1;
}
public override VisualLineElement ConstructElement(int offset)
{
Match match = FindMatch(offset);
if (match.Success && match.Index == 0)
{
return new InlineObjectElement(0, new AddSoftwareDependencyScriptControl(doImportAction));
}
return null;
}
}
在ConstructElement方法中创建的AddSoftwareDependencyScriptControl看起来像:
<UserControl x:Class="MyApplication.AddSoftwareDependencyScriptControl"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
DataContext="{Binding RelativeSource={RelativeSource Self}}"
Width="16" Height="16" >
<Grid>
<Button Name="btn" BorderBrush="Transparent" BorderThickness="0" Command="{Binding ShowSoftwareDependenciesCommand}" Width="16" Height="16">
<Button.Content>
<Grid>
<Image Width="14" Height="14" Cursor="Hand" ToolTip="Softwareabhängigkeit hinzufügen"
Source="pack://application:,,,/Resources;component/Graphics/Dependency.png"/>
</Grid>
</Button.Content>
<Button.Template>
<ControlTemplate TargetType="Button">
<ContentPresenter Content="{TemplateBinding Content}"/>
</ControlTemplate>
</Button.Template>
</Button>
</Grid>
</UserControl>
要将SoftwareDependencyElementGererator添加到Avalon-TextEditor中,我只需使用:
SoftwareDependencyElementGenerator softwareDependencyElementGenerator = new SoftwareDependencyElementGenerator(SelectSoftwareDependency);
AvalonTextEditor.TextArea.TextView.ElementGenerators.Add(softwareDependencyElementGenerator);
一切正常。但是控件的位置不是我想要的位置。
如您所见。控件不在垂直中心。我只是尝试设置UserControl,Button和Image的VerticalAlignment。没事。同时缩小图像不会影响垂直位置。
我该怎么做才能将控件居中设置,使其恰好与后面的文字对齐?
答案 0 :(得分:0)
我自己解决了。
我总是尝试更改顶部的边距,例如
forkJoin
,但解决方案是使底部的边距为负。
我现在的解决方案是:
complete