\func{wxImage}{Blur}{\param{int}{ blurRadius}}
-Blurs the image in both horizontal and vertical directions by the specified pixel {\it blurRadius}.
+Blurs the image in both horizontal and vertical directions by the specified pixel
+{\it blurRadius}. This should not be used when using a single mask colour
+for transparency.
\wxheading{See also}
\func{wxImage}{BlurHorizontal}{\param{int}{ blurRadius}}
-Blurs the image in the horizontal direction only.
-
+Blurs the image in the horizontal direction only. This should not be used
+when using a single mask colour for transparency.
\wxheading{See also}
\helpref{Blur}{wximageblur}
\func{wxImage}{BlurVertical}{\param{int}{ blurRadius}}
-Blurs the image in the vertical direction only.
+Blurs the image in the vertical direction only. This should not be used
+when using a single mask colour for transparency.
\wxheading{See also}