IOutliningManager::TryCollapse Method (ICollapsible^)
Visual Studio 2015
Tries to collapse a given region.
Assembly: Microsoft.VisualStudio.Text.UI (in Microsoft.VisualStudio.Text.UI.dll)
Parameters
- collapsible
-
Type:
Microsoft.VisualStudio.Text.Outlining::ICollapsible^
The region to collapse.
Return Value
Type: Microsoft.VisualStudio.Text.Outlining::ICollapsed^The newly collapsed span if successful, otherwise null.
There are two cases in which this method can fail to collapse the region:
The region is already collapsed,
The region is partially obscured because another collapsed region partially covers it.
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