<< Click to display table of contents >> TCustomRichView.GetItemAt |
Returns item at the position X,Y.
function GetItemAt(X, Y: TRVCoord;
out RVData: TCustomRVFormattedData;
out ItemNo, OffsetInItem: Integer; Strict: Boolean): Boolean;
Input parameters:
X,Y – coordinates relative to the top level corner of document (scrollable area)
Strict:
▪True – the method returns an item which is exactly at the specified location;
▪False – the method returns a position where caret should be moved, if the user would click the mouse at (X,Y)
Output parameters:
RVData – object containing this item (RichView.RVData or table cell or RVData of cell inplace editor)
ItemNo – index of item (in the items list of RVData), or -1 if no item was found.
OffsetInItem – position of this item:
▪for non-text: 0 (closer to the beginning of the item) or 1 (to the end);
▪for text: position is before the OffsetInItem-th character of text; characters are indexed from 1, the last position is Length(text)+1.
Return value:
"item found?"
This method must be called only when the document is formatted.
See also:
See also events:
▪OnRVMouseDown (contains example);
Demo projects:
▪Demos\*\Assorted\PlanetQuiz\