Mattias Gaertner schrieb:
ClientRect Left,Top is 0,0, so Right=ClientWidth and Bottom=ClientHeight.
What about the determination of the ScrollOffset:
function TScrollingWinControl.GetClientScrollOffset: TPoint;
begin
if (HorzScrollBar <> nil) and (VertScrollBar <> nil) then
begin
Result.X := HorzScrollBar.Position;
Result.Y := VertScrollBar.Position;
end else
begin
Result.X := 0;
Result.Y := 0;
end;
end;
Does a scrolling control really *always* have two or zero scrollbars?
If so, a check of only one scrollbar would be sufficient,
otherwise every scrollbar must be checked individually!
DoDi
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