wxListCtrl GetColumn（）错误？

Question

I have a listctrl in my program, which has two columns that are populated with lots of elements. When the user clicks on one of them with a right click, I would like to know in which of the two columns the element lives.

My problem - the GetColumn() function returns either -1 (aka not found) or a zero -> even due I clicked in the second column (which should be 1 - they start from 0).

I had a look at the sample/listctrl but even there, GetColumn() always returns a 1 even if i click in another column.

I use wxWidgets 2.9.5 on Windows 7.

Here the code that i thought should work but doesn't:

Connect(ID_LISTBOX,wxEVT_LIST_ITEM_RIGHT_CLICK,wxListEventHandler(X::OnRightClick));

....
void X::OnRightClick(wxListEvent& event)
{
    int a = event.GetColumn(); // returns - 1 aka not found
    int b = wxListItem(event.GetItem()).GetColumn();    // returns zero regardless     of the column

event.Skip();
}

How do I find out which column my element is in?

Thanks

Answer 1

GetColumn() only works for EVT_LIST_COL_XXX events, ie clicking on the column itself, as explicitly mentioned in the documentation. For the item clicks you need to explicitly call HitTest() and examine its return value and ptrSubItem output parameter value.