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TTabControl.IndexOfTabAt is always -1, with a hack p.y:=-5 it works

Original Reporter info from Mantis: Alextp2
  • Reporter name: CudaText man_

Description:

demo attached.
it shows PageControl - for it, mouse move shows OK tab index in caption.
if shows TabControl - for it, mouse move shows always -1 index in caption.

if you make hack from
https://bugs.freepascal.org/view.php?id=27467
and set
p.y:= -5
before the
n:=TabControl1.IndexOfTabAt(p);
then it will work.

Mantis conversion info:

  • Mantis ID: 38403
  • Build: 64415
  • Platform: Win10 x64
  • Version: 2.1 (SVN)
  • Fixed in version: 2.2
  • Fixed in revision: 64424 (#ed6e0875),64436 (#dfa3fe0e),64677 (#37d6fcb8)
  • Monitored by: » @martin_frb (Martin Friebe)
  • Target version: 2.2