reorganized wxBitmap/wxBitmapHandler classes to use wxBitmapType instead of "long" where possible; made them const-correct; introduce wxBITMAP_SCREEN_DEPTH instead of -1 for clearness (specially in the docs); remove wxBitmapHandler empty stubs and rename wxBitmapHandlerBase as wxBitmapHandler

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@52820 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/icon.cpp

@@ -72,12 +72,12 @@ wxIcon::wxIcon(const char bits[], int width, int height)
 }
 
 wxIcon::wxIcon(const wxString& iconfile,
-               long flags,
+               wxBitmapType type,
                int desiredWidth,
                int desiredHeight)
 
 {
-    LoadFile(iconfile, flags, desiredWidth, desiredHeight);
+    LoadFile(iconfile, type, desiredWidth, desiredHeight);
 }
 
 wxIcon::wxIcon(const wxIconLocation& loc)
@@ -135,7 +135,7 @@ void wxIcon::CreateIconFromXpm(const char* const* data)
 }
 
 bool wxIcon::LoadFile(const wxString& filename,
-                      long type,
+                      wxBitmapType type,
                       int desiredWidth, int desiredHeight)
 {
     UnRef();