+Get the userData item attribute.
+
+
+\membersection{wxSizerItem::GetWindow}\label{wxsizeritemgetwindow}
+
+\constfunc{wxWindow*}{GetWindow}{\void}
+
+If this item is tracking a window then return it. NULL otherwise.
+
+
+\membersection{wxSizerItem::IsSizer}\label{wxsizeritemissizer}
+
+\constfunc{bool}{IsSizer}{\void}
+
+Is this item a sizer?
+
+
+\membersection{wxSizerItem::IsShown}\label{wxsizeritemisshown}
+
+\constfunc{bool}{IsShown}{\void}
+
+Returns \true if this item is a window or a spacer and it is shown or if this
+item is a sizer and not all its elements are hidden. In other words, for sizer
+items, all of the child elements must be hidden for the sizer itself to be
+considered hidden.
+
+
+\membersection{wxSizerItem::IsSpacer}\label{wxsizeritemisspacer}
+
+\constfunc{bool}{IsSpacer}{\void}
+
+Is this item a spacer?
+
+
+\membersection{wxSizerItem::IsWindow}\label{wxsizeritemiswindow}
+
+\constfunc{bool}{IsWindow}{\void}
+
+Is this item a window?
+
+
+\membersection{wxSizerItem::SetBorder}\label{wxsizeritemsetborder}
+
+\func{void}{SetBorder}{\param{int }{border}}
+
+Set the border item attribute.
+
+\membersection{wxSizerItem::SetDimension}\label{wxsizeritemsetdimension}
+
+\func{void}{SetDimension}{\param{const wxPoint\& }{pos}, \param{const wxSize\& }{size}}
+
+Set the position and size of the space allocated to the sizer, and
+adjust the position and size of the item to be within that space
+taking alignment and borders into account.
+
+
+\membersection{wxSizerItem::SetFlag}\label{wxsizeritemsetflag}
+
+\func{void}{SetFlag}{\param{int }{flag}}
+
+Set the flag item attribute.
+
+
+\membersection{wxSizerItem::SetInitSize}\label{wxsizeritemsetinitsize}
+
+\func{void}{SetInitSize}{\param{int }{x}, \param{int }{y}}
+
+
+\membersection{wxSizerItem::SetProportion}\label{wxsizeritemsetproportion}
+
+\func{void}{SetProportion}{\param{int }{proportion}}
+
+Set the proportion item attribute.
+
+\membersection{wxSizerItem::SetRatio}\label{wxsizeritemsetratio}
+
+\func{void}{SetRatio}{\param{int }{width}, \param{int }{height}}
+
+\func{void}{SetRatio}{\param{wxSize }{size}}
+
+\func{void}{SetRatio}{\param{float }{ratio}}
+
+Set the ratio item attribute.
+
+
+\membersection{wxSizerItem::SetSizer}\label{wxsizeritemsetsizer}
+
+\func{void}{SetSizer}{\param{wxSizer* }{sizer}}
+
+Set the sizer tracked by this item.
+
+
+\membersection{wxSizerItem::SetSpacer}\label{wxsizeritemsetspacer}
+
+\func{void}{SetSpacer}{\param{const wxSize\& }{size}}
+
+Set the size of the spacer tracked by this item.
+
+
+\membersection{wxSizerItem::SetWindow}\label{wxsizeritemsetwindow}
+
+\func{void}{SetWindow}{\param{wxWindow* }{window}}
+
+Set the window to be tracked by thsi item.
+
+
+\membersection{wxSizerItem::Show}\label{wxsizeritemshow}
+
+\func{void}{Show}{\param{bool }{show}}
+
+Set the show item attribute, which sizers use to determine if the item
+is to be made part of the layout or not. If the item is tracking a
+window then it is shown or hidden as needed.