fix LaTeX error (escape underscores); don't abuse bold face
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@51117 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
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@@ -1,16 +1,17 @@
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\section{\class{wxWeakRef<T>}}\label{wxweakref}
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{\bf wxWeakRef} is a template class for weak references to wxWidgets objects,
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such as {\bf wxEvtHandler}, {\bf wxWindow} and {\bf wxObject}. A weak
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reference behaves much like an ordinary pointer, but when the object pointed
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is destroyed, the weak reference is automatically reset to a NULL pointer.
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wxWeakRef is a template class for weak references to wxWidgets objects,
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such as \helpref{wxEvtHandler}{wxevthandler}, \helpref{wxWindow}{wxwindow} and
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\helpref{wxObject}{wxobject}. A weak reference behaves much like an ordinary
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pointer, but when the object pointed is destroyed, the weak reference is
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automatically reset to a NULL pointer.
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wxWeakref<T> can be used whenever one must keep a pointer to an object
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that does not directly own, and that may be destroyed before the object
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holding the reference.
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wxWeakref<T> is a small object and the mechanism behind it is fast
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({\bf O(1)}). So the overall cost of using it is small.
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(\textbf{O(1)}). So the overall cost of using it is small.
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\wxheading{Example}
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@@ -33,9 +34,9 @@ wxWeakref<T> is a small object and the mechanism behind it is fast
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wxWeakref<T> works for any objects that are derived from
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\helpref{wxTrackableBase}{wxtrackablebase} or \helpref{wxTrackable}{wxtrackable}.
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By default, wxEvtHandler and wxWindow derive from wxTrackableBase. However,
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wxObject does not, so types like {\bf wxFont} and
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{\bf wxColour} are not trackable. The example below shows how to create a
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wxObject derived class that is trackable:
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wxObject does not, so types like \helpref{wxFont}{wxfont} and
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\helpref{wxColour}{wxcolour} are not trackable. The example below shows how to
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create a wxObject derived class that is trackable:
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\begin{verbatim}
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class wxMyTrackableObject : public wxObject, public wxTrackable {
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@@ -43,11 +44,11 @@ wxObject derived class that is trackable:
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};
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\end{verbatim}
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{\bf Note:} Custom trackable objects should derive from wxTrackable
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if one wants to reference them from a {\bf wxWeakRef<wxObject>}. The
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\textbf{Note:} Custom trackable objects should derive from wxTrackable
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if one wants to reference them from a \texttt{wxWeakRef<wxObject>}. The
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difference between the two base classes is that wxTrackableBase
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has no virtual member functions (no VTable), and thus cannot be detected
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through {\bf dynamic_cast<>}.
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through \texttt{dynamic\_cast<>}.
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\wxheading{Predefined types}
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