What is -1 for in GuiCtrlSetOnEvent()

[cappy2112]

THis is right out of the help file

What is the -1 for in the calls to GUICtrlSetOnEvent()

Opt("GUICoordMode",2)

Opt("GUIResizeMode", 1)

Opt("GUIOnEventMode", 1)

$parent1 = GUICreate("Parent1")

GUISetOnEvent($GUI_EVENT_CLOSE, "SpecialEvents")

GUISetOnEvent($GUI_EVENT_MINIMIZE, "SpecialEvents")

GUISetOnEvent($GUI_EVENT_RESTORE, "SpecialEvents")

$ok1 = GUICtrlCreateButton ("OK", 10, 30, 50)

GUICtrlSetOnEvent(-1, "OKPressed")

$cancel1 = GUICtrlCreateButton ( "Cancel", 0, -1)

GUICtrlSetOnEvent(-1, "CancelPressed")

GUISetState(@SW_SHOW)

; Just idle around

While 1

Sleep(10)

Wend

; END

Func OKPressed()

MsgBox(0, "OK Pressed", "ID=" & @GUI_CTRLID & " WinHandle=" & @GUI_WINHANDLE & " CtrlHandle=" & @GUI_CTRLHANDLE)

EndFunc

Func CancelPressed()

MsgBox(0, "Cancel Pressed", "ID=" & @GUI_CTRLID & " WinHandle=" & @GUI_WINHANDLE & " CtrlHandle=" & @GUI_CTRLHANDLE)

EndFunc

Func SpecialEvents()

Select

Case @GUI_CTRLID = $GUI_EVENT_CLOSE

MsgBox(0, "Close Pressed", "ID=" & @GUI_CTRLID & " WinHandle=" & @GUI_WINHANDLE)

Exit

Case @GUI_CTRLID = $GUI_EVENT_MINIMIZE

MsgBox(0, "Window Minimized", "ID=" & @GUI_CTRLID & " WinHandle=" & @GUI_WINHANDLE)

Case @GUI_CTRLID = $GUI_EVENT_RESTORE

MsgBox(0, "Window Restored", "ID=" & @GUI_CTRLID & " WinHandle=" & @GUI_WINHANDLE)

EndSelect

EndFunc

[SmOke_N]

-1 represents the command/line before.

Example:

$Label = GUICtrlCreateLabel("", 1, 1, 10, 10)
GUICtrlSetData(-1, 'Apple')

Would be the same basically as:

$Label = GUICtrlCreateLabel("", 1, 1, 10, 10)
GUICtrlSetData($Label, 'Apple')

The difference is, the -1 has to be right after the control in question, as using the actual Control ID doesn't.

[cappy2112]

-1 represents the command/line before.

Example:

$Label = GUICtrlCreateLabel("", 1, 1, 10, 10)
GUICtrlSetData(-1, 'Apple')

Would be the same basically as:

$Label = GUICtrlCreateLabel("", 1, 1, 10, 10)
GUICtrlSetData($Label, 'Apple')

The difference is, the -1 has to be right after the control in question, as using the actual Control ID doesn't.

THanks again !