You can use the Get ( WindowDesktopHeight ) and Get ( WindowDesktopWidth ) functions to determine the screen area you have available for your windows.
Thanks JBante i thought so..cool
OK Ive just discovered that it cant be done...
What can I do with FMTools?
FMTools is an add on utility for FileMaker Pro™ for Windows. The current version 6 works with FileMaker Pro™ versions 6 to 12 and with solutions bound with FileMaker Developer/Advanced. All the functions can be controlled by FileMaker scripts. FMTools is Not a Plugin. FMTools is Free to use without restriction. Versions prior to 6 require a licence code which is available upon request.
Window State/Size Resize/minimze/maximize FileMaker application window