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

diff --git a/docs/latex/wx/busyinfo.tex b/docs/latex/wx/busyinfo.tex
index b4202dad12e069a53bfdf6f557f8b06c8065f0fa..caf6bf1ba6a060b41b0b0ce8a32633a8bff9a5b0 100644 (file)
--- a/docs/latex/wx/busyinfo.tex
+++ b/docs/latex/wx/busyinfo.tex
@@ -7,15 +7,40 @@ a message window will be shown.
 For example:
 
 \begin{verbatim}
 For example:
 
 \begin{verbatim}

-  wxBusyInfo wait("Please wait, working...");
+    wxBusyInfo wait("Please wait, working...");

 
 

-  for (int i = 0; i < 100000; i++)
-    DoACalculation();
+    for (int i = 0; i < 100000; i++)
+    {
+        DoACalculation();
+    }

 \end{verbatim}
 
 It works by creating a window in the constructor,
 and deleting it in the destructor.
 
 \end{verbatim}
 
 It works by creating a window in the constructor,
 and deleting it in the destructor.
 

+You may also want to call wxTheApp->Yield() to refresh the window
+periodically (in case it had been obscured by other windows, for
+example) like this:
+
+\begin{verbatim}
+    wxWindowDisabler disableAll;
+
+    wxBusyInfo wait("Please wait, working...");
+
+    for (int i = 0; i < 100000; i++)
+    {
+        DoACalculation();
+
+        if ( !(i % 1000) )
+            wxTheApp->Yield();
+    }
+\end{verbatim}
+
+but take care to not cause undesirable reentrancies when doing it (see 
+\helpref{wxApp::Yield()}{wxappyield} for more details). The simplest way to do
+it is to use \helpref{wxWindowDisabler}{wxwindowdisabler} class as illustrated
+in the above example.
+

 \wxheading{Derived from}
 
 None
 \wxheading{Derived from}
 
 None


@@ -28,8 +53,17 @@ None
 
 \membersection{wxBusyInfo::wxBusyInfo}
 
 
 \membersection{wxBusyInfo::wxBusyInfo}
 

-\func{}{wxBusyInfo}{\param{const wxString\&}{ msg}}
+\func{}{wxBusyInfo}{\param{const wxString\&}{ msg}, \param{wxParent }{*parent = NULL}}
+
+Constructs a busy info window as child of {\it parent} and displays {\it msg}
+in it.
+
+{\bf NB:} If {\it parent} is not {\tt NULL} you must ensure that it is not
+closed while the busy info is shown.
+
+\membersection{wxBusyInfo::\destruct{wxBusyInfo}}

 
 

-Constructs a busy info object, displays {\it msg} .
+\func{}{\destruct{wxBusyInfo}}{\void}

 
 

+Hides and closes the window containing the information text.