Document that FromDIP() is not needed with SetToolBitmapSize()

wxMSW wxToolBar adjusts the bitmap size to DPI automatically.

interface/wx/toolbar.h

@@ -860,6 +860,11 @@ public:
         Sets the default size of each tool bitmap. The default bitmap size is 16
         by 15 pixels.
 
+        Note that @a size does @e not need to be multiplied by the
+        DPI-dependent factor even under MSW, where it would normally be
+        necessary, as the toolbar adjusts this size to the current DPI
+        automatically.
+
         @param size
             The size of the bitmaps in the toolbar.
 

samples/toolbar/toolbar.cpp

@@ -410,6 +410,9 @@ void MyFrame::PopulateToolbar(wxToolBarBase* toolBar)
         h *= 2;
     }
 
+    // Note that there is no need for FromDIP() here, wxMSW will adjust the
+    // size on its own and under the other platforms there is no need for
+    // scaling the coordinates anyhow.
     toolBar->SetToolBitmapSize(wxSize(w, h));
 
     toolBar->AddTool(wxID_NEW, "New",