On 12/03/18 17:45, José Mejuto via Lazarus wrote:
El 12/03/2018 a las 18:25, Mark Morgan Lloyd via Lazarus escribió:>
On the main form I've got (a
tabbed notebook containing multiple > instances of) a TStringGrid. The
OnSelection event invokes a modal form > (containing nothing of
significant complexity) with OK and Cancel > buttons, and stripped down
looks like this:
Hello,
Just for testing the OnSelection is raised by mouse click ? If the
answer is yes, try to click the cell and keep the mouse button pressed.
If the form appears the grid is still waiting for a MOUSE_UP (thinking
you are holding MOUSE_DOWN to perform a selection) and the modal form
has its own queue, so MOUSE_UP never arrives.
Yes, the modal form appears while the mouse button is held down (for
both GTK2 and Qt).
--
Mark Morgan Lloyd
markMLl .AT. telemetry.co .DOT. uk
[Opinions above are the author's, not those of his employers or colleagues]
--
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