Indicates the position of the caret in the memo lines.
property CaretPos: TPoint;
Use CaretPos to determine the caret coordinates in Lines.
CaretPos.Y can not be greater or equal to Lines.Count. If Lines is empty, CaretPos.Y will be 0.
CaretPos.X is any non-negative integer value. If Options contains soKeepCaretInText, CaretPos.X can not be greater than length of the current line, that is
CaretPos.X < Length(Lines[CaretPos.Y])
To determine the position of the caret in terms of characters of text only (rather than X/Y location), use the CaretStrPos property.
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