[DEVEXPRESS/WINFORM] RichEditControl 클래스 : 문서 범위로 부분적인 선택 설정 취소하기

using DevExpress.XtraRichEdit;
using DevExpress.XtraRichEdit.API.Native;

...

private RichEditControl richEditControl;

...

Document document = this.richEditControl.Document;

...

int startPosition = 80;
int endPosition   = document.Tables[0].Rows[1].LastCell.ContentRange.Start.ToInt();

DocumentRange documentRange1 = document.CreateRange(startPosition, endPosition - startPosition);

document.Selections.Add(documentRange1);

DocumentRange documentRange2 = document.CreateRange(140, 200);

document.Selections.Unselect(documentRange2);