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The WPRichText has several properties which reference the current paragraph, table, cell, position in the paragraph etc.
This is the position of the cursor in the current paragraph: (writeable)
property ActivePosInPar: Integer;
This is the start offset of the current line in the current paragraph: (readonly)
property ActiveLineStart: Integer;
This is the length of the current line in the current paragraph (readonly)
property ActiveLineLen: Integer;
This is the current paragraph. It can be read and assigned.
property ActiveParagraph: TParagraph;
This property selects which text is currently changed.
property ActiveText: TWPRTFDataBlock;
This is the text which is currently displayed. If it is the body layer header/footer and other layers can also be displayed.
property DisplayedText: TWPRTFDataBlock;
This is the first paragraph of the displayed text which is usually the body text. Assigning a paragraph here clears the current layer and attaches a new list of paragraph.
property FirstPar: TParagraph;
This is the last paragraph (in the first level) of the displayed text. (readonly)
property LastPar: TParagraph;