Bind event handler to current instance
Bind event handler to current instance

Fixes #587

gengjiawen/desktop,BugTesterTest/desktops,hjobrien/desktop,artivilla/desktop,artivilla/desktop,say25/desktop,artivilla/desktop,say25/desktop,BugTesterTest/desktops,artivilla/desktop,shiftkey/desktop,hjobrien/desktop,say25/desktop,say25/desktop,hjobrien/desktop,BugTesterTest/desktops,j-f1/forked-desktop,j-f1/forked-desktop,j-f1/forked-desktop,desktop/desktop,shiftkey/desktop,shiftkey/desktop,kactus-io/kactus,BugTesterTest/desktops,desktop/desktop,desktop/desktop,gengjiawen/desktop,kactus-io/kactus,kactus-io/kactus,kactus-io/kactus,desktop/desktop,j-f1/forked-desktop,shiftkey/desktop,gengjiawen/desktop,hjobrien/desktop,gengjiawen/desktop