test indeterminate wxGauge mode (part of patch 1551409)

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

diff --git a/docs/latex/wx/wxstring.tex b/docs/latex/wx/wxstring.tex
index 40305dd47203859ea21a23559b3d3dbd3f678a2e..85529acf02889abe8faa0a2b7c37af35be4f3816 100644 (file)
--- a/docs/latex/wx/wxstring.tex
+++ b/docs/latex/wx/wxstring.tex
@@ -897,6 +897,19 @@ Prepends {\it str} to this string, returning a reference to this string.
 Similar to the standard function {\it sprintf()}. Returns the number of
 characters written, or an integer less than zero on error.
 
+Note that if {\tt wxUSE\_PRINTF\_POS\_PARAMS} is set to 1, then this function supports
+Unix98-style positional parameters:
+
+\begin{verbatim}
+    wxString str;
+
+    str.Printf(wxT("%d %d %d"), 1, 2, 3);
+    // str now contains "1 2 3"
+
+    str.Printf(wxT("%2$d %3$d %1$d"), 1, 2, 3);
+    // str now contains "2 3 1"
+\end{verbatim}
+
 {\bf NB:} This function will use a safe version of {\it vsprintf()} (usually called 
 {\it vsnprintf()}) whenever available to always allocate the buffer of correct
 size. Unfortunately, this function is not available on all platforms and the