[英]Collapsed regions in Visual Studio
I'm doing a Visual Studio extension and it contains editor margin, which show comment for each code line and data linked by line number. 我正在做一个Visual Studio扩展,它包含编辑器边距,它显示每个代码行的注释和按行号链接的数据。
When I have code have collapsed regions (functions, code blocks or regions), I'm getting incorrect line numbers. 当我的代码有折叠区域(函数,代码块或区域)时,我得到的行号不正确。
How can I calculate what lines collapsed? 如何计算折叠的线条? Or more simply, how can I expand all collapsed blocks and disable collapse buttons?
或者更简单地说,如何展开所有折叠的块并禁用折叠按钮?
I found solution: 我找到了解决方案
Dim _outliningManager As Outlining.IOutliningManager
Dim _oldCollapsedRegions As List(Of ICollapsed)
'Getting access to ServiceProvider
<Import>
Dim ServiceProvider As SVsServiceProvider
'Getting IOutliningManagerService object
Dim componentModel As IComponentModel = ServiceProvider.GetService(GetType(SComponentModel))
Dim outliningManagerService As IOutliningManagerService = componentModel.GetService(Of IOutliningManagerService)()
'Creating IOutliningManager for current textView
If outliningManagerService IsNot Nothing Then
_outliningManager = outliningManagerService.GetOutliningManager(textView)
If _outliningManager IsNot Nothing Then AddHandler _outliningManager.RegionsCollapsed, AddressOf RegionCollapsed
End If
'Getting all regions and expand them
If _outliningManager IsNot Nothing Then
Dim snapshot = _textView.TextSnapshot
Dim snapshotSpan = New Microsoft.VisualStudio.Text.SnapshotSpan(snapshot, New Microsoft.VisualStudio.Text.Span(0, snapshot.Length))
_oldCollapsedRegions = _outliningManager.GetCollapsedRegions(snapshotSpan).ToList()
For Each reg In _oldCollapsedRegions
_outliningManager.Expand(reg)
Next
End If
'Blocking regions collapsed
Sub RegionCollapsed(sender As Object, e As RegionsCollapsedEventArgs)
If Me.Visibility = Windows.Visibility.Visible Then
For Each reg In e.CollapsedRegions
_outliningManager.Expand(reg)
Next
End If
End Sub
Require referenses to: microsoft.visualstudio.shell.immutable.10.0, Microsoft.VisualStudio.ComponentModelHost and, sure, Microsoft.VisualStudio.Text 需要参考:microsoft.visualstudio.shell.immutable.10.0,Microsoft.VisualStudio.ComponentModelHost,当然,Microsoft.VisualStudio.Text
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