w32 IDE Crash / range check, when accessing main menu of IDE

Original Reporter info from Mantis: Martin @martin_frb

• Reporter name: Martin Friebe

Description:

I had several random crashes lately.

No way to reproduce. But a few of them happened with a range check, when trying to open a main menu entry with the mouse.

TApplication.HandleException Range check error
  Stack trace:
  $00563D85 line 461 of win32/win32callback.inc
  $00567814 line 2060 of win32/win32callback.inc
  $00568F99 line 2696 of win32/win32callback.inc
  $006B8908 line 386 of win32/win32wsforms.pp
  $7618FD92
  $7618FE6A
  $76189D8A
  $76189FAD
  $77AE5D0E
  $761903CB
  $7527AF85
  $7528B5CA
  $7527865F
  $752725F4
  $7618982B
  $005631EF line 84 of win32/win32callback.inc
  $00568B11 line 2602 of win32/win32callback.inc

Mantis conversion info:

• Mantis ID: 33102
• OS: win
• OS Build: vista
• Platform: w32
• Version: 1.9 (SVN)
• Fixed in revision: r57200 (#324b3ed0)