added null pointer check and assert

[wxWidgets.git] / docs / latex / wx / dataviewitem.tex

diff --git a/docs/latex/wx/dataviewitem.tex b/docs/latex/wx/dataviewitem.tex
index da269d4d593b5933762a681e0908290e4fd15add..f4ce1e0bfcae5df45428c93b8d72dcce94528c1d 100644 (file)
--- a/docs/latex/wx/dataviewitem.tex
+++ b/docs/latex/wx/dataviewitem.tex
@@ -11,7 +11,12 @@ and can be converted to a from it.
 If the ID is {\it NULL} the wxDataViewItem is invalid and 
 \helpref{IsOk}{wxdataviewitemisok} will return {\it false}
 which used in many places in the API of wxDataViewCtrl
-to indicate that e.g. no item was found etc.
+to indicate that e.g. no item was found. An ID of NULL
+is also used to indicate the invisible root. Examples
+for this are
+\helpref{wxDataViewModel::GetParent}{wxdataviewmodelgetparent} and
+\helpref{wxDataViewModel::GetChildren}{wxdataviewmodelgetchildren}.
+
 
 \wxheading{Derived from}
 
@@ -21,9 +26,9 @@ No base class
 
 <dataview.h>
 
-\wxheading{Data structures}
+\wxheading{Library}
 
-\latexignore{\rtfignore{\wxheading{Members}}}
+\helpref{wxAdv}{librarieslist}
 
 
 \membersection{wxDataViewItem::wxDataViewItem}\label{wxdataviewitemwxdataviewitem}
@@ -47,7 +52,7 @@ Returns the ID.
 
 Returns true if the ID is not {\it NULL}.
 
-\membersection{wxDataViewItem::void*}\label{wxdataviewitemvoid*}
+\membersection{wxDataViewItem::void*}\label{wxdataviewitemvoid}
 
 \constfunc{operator const}{void*}{\void}