X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/2a47d3c193a8358f9be6a9249af28b6cb10eacff..2c6f14e1a7b5062fcf77eda40824d820d9ac288e:/docs/latex/wx/ttreectl.tex?ds=sidebyside diff --git a/docs/latex/wx/ttreectl.tex b/docs/latex/wx/ttreectl.tex index 7c30c800b0..4298d96a6b 100644 --- a/docs/latex/wx/ttreectl.tex +++ b/docs/latex/wx/ttreectl.tex @@ -6,7 +6,8 @@ The tree control displays its items in a tree like structure. Each item has its own (optional) icon and a label. An item may be either collapsed (meaning that its children are not visible) or expanded (meaning that its children are shown). Each item in the tree is identified by its {\it itemId} which is of -opaque data type {\it wxTreeItemId}. +opaque data type {\it wxTreeItemId}. You can test whether an item is valid +by calling wxTreeItemId::IsOk. The items text and image may be retrieved and changed with \helpref{GetItemText}{wxtreectrlgetitemtext}/\helpref{SetItemText}{wxtreectrlsetitemtext} @@ -23,7 +24,7 @@ may be retrieved with the corresponding functions: \helpref{IsSelected}{wxtreectrlisselected}, \helpref{IsVisible}{wxtreectrlisvisible}, \helpref{IsBold}{wxtreectrlisbold} and \helpref{IsExpanded}{wxtreectrlisexpanded}. Only one item at a time may be -selected, selecting anopther one (with +selected, selecting another one (with \helpref{SelectItem}{wxtreectrlselectitem}) automatically unselects the previously selected one. @@ -47,7 +48,7 @@ beginning, only the root item is created (with EVT\_TREE\_ITEM\_EXPANDING event is received: then all items lying immediately under the item being expanded should be added, but, of course, only when this event is received for the first time for this item - otherwise, the items would -be added twice if the user expands/collapses/reexapnds the branch. +be added twice if the user expands/collapses/re-expands the branch. The tree control provides functions for enumerating its items. There are 3 groups of enumeration functions: for the children of a given item, for the