IVerticalFractionMap Interface
Definition
Important
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Maps between character positions and fractions of the total vertical extent of an ITextView.
public interface class IVerticalFractionMappublic interface class IVerticalFractionMap__interface IVerticalFractionMappublic interface IVerticalFractionMaptype IVerticalFractionMap = interfacePublic Interface IVerticalFractionMap- Derived
Remarks
Valid text positions range are [0...TextView.TextSnapshot.Length]. Valid scrollbar coordinates are [0.0 ... 1.0]. 0.0 corresponds to the top of the first line in the text view; 1.0 corresponds to the bottom of the last line in the view. Not every text position will have a unique value. For example, every character on the same text buffer line will have the same value, assuming that word wrap is not enabled.
This interface is the base type of the IScrollMap interface, which is created using the IScrollMapFactoryService.
Properties
| TextView |
Gets the text view to which this fraction map applies. |
Methods
| GetBufferPositionAtFraction(Double) |
Gets the buffer position that corresponds to a fraction of the vertical extent of the view, if it exists. |
| GetFractionAtBufferPosition(SnapshotPoint) |
Gets the fraction of the vertical extent of the view that corresponds to the specified buffer position. |
Events
| MappingChanged |
Occurs when the mapping between character position and its vertical fraction has changed. For example, the view may have re-rendered some lines, changing their font size. |