Window Not Found Error Message

[Denise]

I use GetListViewItemText function and when I get the error "Window not found" the macro stops.

This function is in the System's folder and cannot be edited.

What are my options to fix this problem?

[Gintaras]

Before calling GetListViewItemText, make sure that list box handle is not 0.

if(hwnd)
,GetListViewItemText(hwnd ...)
else
,...