What is MarkSelection in Eclipse, it will be used in what scenario?

Jianwei Liu

I know StructuredSelection will be used when you select a file in Package Explorer for example, and TextSelection will be used when you select some text in Editor, but not clear about MarkSelection, when it will be used?

greg-449

MarkSelection is generated by TextViewer (so usually a text editor) and reports a change to a 'mark' selection. It will only be sent to selection change listeners for the text viewer.

The TextViewer.setMark method causes the mark selection changed event to be generated. This only seems to be used by incremental search and for marked regions used in Emacs style editing.

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