A helper function for loosely determining whether two DocumentViewerTextPosition objects are in order.
public static bool IsInOrder(
DocumentViewerTextPosition minPosition,
DocumentViewerTextPosition maxPosition
)
Public Shared Function IsInOrder(
ByVal minPosition As DocumentViewerTextPosition,
ByVal maxPosition As DocumentViewerTextPosition
) As Boolean
public:
static bool IsInOrder(
DocumentViewerTextPosition^ minPosition,
DocumentViewerTextPosition^ maxPosition
)
minPosition
The DocumentViewerTextPosition that should be a lower page number and/or character index than maxPosition.
maxPosition
The DocumentViewerTextPosition that should be a higher page number and/or character index than minPosition.
true if the minPosition has an explicitly lower page number and/or character index than maxPosition; otherwise, false.
IsInOrder indicates whether the two provided DocumentViewerTextPosition are in order from "lowest" to "highest" by PageNumber and then by CharacterIndex. If both page numbers are the same and if maxPosition has a CharacterIndex of -1
(indicating the end of a page), IsInOrder will return true. IsInOrder does not check against the actual last character in any document.
Pseudo-code:
if (minPosition.PageNumber < maxPosition.PageNumber)
return true;
else if (minPosition.PageNumber == maxPosition.PageNumber)
return (maxPosition.CharacterIndex == -1) || (minPosition.CharacterIndex != -1 && minPosition.CharacterIndex < maxPosition.CharacterIndex);
return false;
History
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