我在使用包含文本块的HeaderTemplate时遇到了问题,于是我通过使用附加属性解决了这个问题。可以看到,我只是从HeaderTemplate中获取文本,并将其设置到header属性中。这样剪贴板复制模式IncludeHeader就能正常工作了。
public static class TemplatedDataGridHeaderText
{
private static readonly Type OwnerType = typeof(TemplatedDataGridHeaderText);
public static readonly DependencyProperty UseTextFromTemplateProperty = DependencyProperty.RegisterAttached("UseTextFromTemplate", typeof(bool), OwnerType, new PropertyMetadata(false, OnHeaderTextChanged));
public static bool GetUseTextFromTemplate(DependencyObject obj)
{
return (bool)obj.GetValue(UseTextFromTemplateProperty);
}
public static void SetUseTextFromTemplate(DependencyObject obj, bool value)
{
obj.SetValue(UseTextFromTemplateProperty, value);
}
private static void OnHeaderTextChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
var textColumn = d as DataGridTextColumn;
if (textColumn == null) return;
if (textColumn.HeaderTemplate == null) return;
var headerTemplateTexblockText = textColumn.HeaderTemplate.LoadContent().GetValue(TextBlock.TextProperty).ToString();
textColumn.Header = headerTemplateTexblockText;
}
}
这段文字的意思是:“XAML代码应该长这个样子…”
<DataGrid ItemsSource="{Binding }" AutoGenerateColumns="False" IsReadOnly="True" VerticalScrollBarVisibility="Auto" VerticalAlignment="Stretch">
<DataGrid.Columns>
<DataGridTextColumn Binding="{Binding FlowRate.UserValue, StringFormat=N3}" HeaderTemplate="{StaticResource FlowRate}"
attachedProperties:TemplatedDataGridHeaderText.UseTextFromTemplate="True"/>
<DataGridTextColumn Binding="{Binding Pressure.UserValue, StringFormat=N3}" HeaderTemplate="{StaticResource Pressure}"
attachedProperties:TemplatedDataGridHeaderText.UseTextFromTemplate="True"/>
</DataGrid.Columns>
可以在这里找到更多信息... http://waldoscode.blogspot.com/2014/08/issue-using-wpf-datagrid-columnheader.html