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The Frontmost window command returns the window reference number of the frontmost window.
Frontmost process Next window
Product: 4D Theme: Windows Number: 447
Created: 4D v6
4D Language Reference ( 4D v19) 4D Language Reference ( 4D v19.1) 4D Language Reference ( 4D v19.4) 4D Language Reference ( 4D v19.5) 4D Language Reference ( 4D v19.6) 4D Language Reference ( 4D v19.7) 4D Language Reference ( 4D v19.8)