altKey altKey altLeft altLeft behaviorCookie behaviorPart bookmarks bookmarks boundElements boundElements button button cancelBubble cancelBubble clientX clientX clientY clientY contentOverflow ctrlKey ctrlKey ctrlLeft ctrlLeft dataFld dataFld dataTransfer fromElement fromElement getAttribute imeCompositionChange imeNotifyCommand imeNotifyData imeRequest imeRequestData keyboardLayout keyCode keyCode nextPage offsetX offsetX offsetY offsetY propertyName propertyName qualifier qualifier reason reason recordset recordset removeAttribute repeat repeat returnValue returnValue screenX screenX screenY screenY setAttribute shiftKey shiftKey shiftLeft shiftLeft srcElement srcElement srcFilter srcFilter srcUrn srcUrn toElement toElement type type wheelDelta x x y y

LONG MSHTML::DispCEventObj::reason [set]