[a131] Gui_DropFiles crash if Event Sink used Topic is solved

[swagfag]

https://github.com/Lexikos/AutoHotkey_L ... 659f0R1193

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there are several ways to hook up events in v2. one is by defining a function that would handle the event and providing a reference to it to .OnEvent()

Code: Select all

#Requires AutoHotkey v2.0-a131-2327728b

G := Gui()
G.OnEvent('DropFiles', Gui_DropFiles)
Gui_DropFiles(GuiObj, GuiCtrlObj, FileArray, X, Y) {
	MsgBox(FileArray.Length ' file(s) dropped.')
}

G.Show('w200 h200')

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another is by specifying an EventSinkObj and passing the name of an instance method of the specified EventSinkObj as a string to .OnEvent()

Code: Select all

#Requires AutoHotkey v2.0-a131-2327728b

G := MyGui()

class MyGui extends Gui {
	__New() {
		super.__New('', '', this)
		this.OnEvent('DropFiles', 'Gui_DropFiles')
		this.Show('w200 h200')
	}

	Gui_DropFiles(GuiCtrlObj, FileArray, X, Y) {
        MsgBox(FileArray.Length ' file(s) dropped.')
	}
}

notice the signature of the method differs from that of the function in the previous example.
problem: if u drop files on the EventSink example, the script crashes once the event handler callback starts going out of scope
solution: linked code needs adjusted to account for the shift in the handler's parameters(so it doesnt keep trying to cast X - an integer, to an object and call ->Release() on it)

[swagfag]

https://www.autohotkey.com/boards/viewtopic.php?f=14&t=81650
already reported apparently