No changes, just minor wxMSW code cleanup: use WinStruct<>.

Use WinStruct instead of the usual ZeroMemory() + cbSize setting fragment to
initialize Win32 structs that need to be initialized in this way.

No real changes.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@70383 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/menu.cpp

@@ -190,9 +190,7 @@ void SetDefaultMenuItem(HMENU WXUNUSED_IN_WINCE(hmenu),
                         UINT WXUNUSED_IN_WINCE(id))
 {
 #ifndef __WXWINCE__
-    MENUITEMINFO mii;
-    wxZeroMemory(mii);
-    mii.cbSize = sizeof(MENUITEMINFO);
+    WinStruct<MENUITEMINFO> mii;
     mii.fMask = MIIM_STATE;
     mii.fState = MFS_DEFAULT;
 
@@ -210,9 +208,7 @@ void SetOwnerDrawnMenuItem(HMENU WXUNUSED_IN_WINCE(hmenu),
                            BOOL WXUNUSED_IN_WINCE(byPositon = FALSE))
 {
 #ifndef __WXWINCE__
-    MENUITEMINFO mii;
-    wxZeroMemory(mii);
-    mii.cbSize = sizeof(MENUITEMINFO);
+    WinStruct<MENUITEMINFO> mii;
     mii.fMask = MIIM_FTYPE | MIIM_DATA;
     mii.fType = MFT_OWNERDRAW;
     mii.dwItemData = data;
@@ -230,9 +226,7 @@ void SetOwnerDrawnMenuItem(HMENU WXUNUSED_IN_WINCE(hmenu),
 #ifdef __WXWINCE__
 UINT GetMenuState(HMENU hMenu, UINT id, UINT flags)
 {
-    MENUITEMINFO info;
-    wxZeroMemory(info);
-    info.cbSize = sizeof(info);
+    WinStruct<MENUITEMINFO> info;
     info.fMask = MIIM_STATE;
     // MF_BYCOMMAND is zero so test MF_BYPOSITION
     if ( !::GetMenuItemInfo(hMenu, id, flags & MF_BYPOSITION ? TRUE : FALSE , & info) )
@@ -913,9 +907,7 @@ void wxMenu::SetTitle(const wxString& label)
         {
             // modify the title
 #ifdef __WXWINCE__
-            MENUITEMINFO info;
-            wxZeroMemory(info);
-            info.cbSize = sizeof(info);
+            WinStruct<MENUITEMINFO> info;
             info.fMask = MIIM_TYPE;
             info.fType = MFT_STRING;
             info.cch = m_title.length();
@@ -1269,9 +1261,7 @@ void wxMenuBar::SetMenuLabel(size_t pos, const wxString& label)
     }
 
 #ifdef __WXWINCE__
-    MENUITEMINFO info;
-    wxZeroMemory(info);
-    info.cbSize = sizeof(info);
+    WinStruct<MENUITEMINFO> info;
     info.fMask = MIIM_TYPE;
     info.fType = MFT_STRING;
     info.cch = label.length();

src/msw/scrolbar.cpp

@@ -156,9 +156,7 @@ void wxScrollBar::SetThumbPosition(int viewStart)
 
 int wxScrollBar::GetThumbPosition(void) const
 {
-    SCROLLINFO scrollInfo;
-    wxZeroMemory(scrollInfo);
-    scrollInfo.cbSize = sizeof(SCROLLINFO);
+    WinStruct<SCROLLINFO> scrollInfo;
     scrollInfo.fMask = SIF_POS;
 
     if ( !::GetScrollInfo(GetHwnd(), SB_CTL, &scrollInfo) )

src/msw/textctrl.cpp

@@ -2397,9 +2397,7 @@ bool wxTextCtrl::SetForegroundColour(const wxColour& colour)
     if ( IsRich() )
     {
         // change the colour of everything
-        CHARFORMAT cf;
-        wxZeroMemory(cf);
-        cf.cbSize = sizeof(cf);
+        WinStruct<CHARFORMAT> cf;
         cf.dwMask = CFM_COLOR;
         cf.crTextColor = wxColourToRGB(colour);
         ::SendMessage(GetHwnd(), EM_SETCHARFORMAT, SCF_ALL, (LPARAM)&cf);

src/msw/window.cpp

@@ -5794,9 +5794,7 @@ int wxWindowMSW::HandleMenuChar(int WXUNUSED_IN_WINCE(chAccel),
 #ifndef __WXWINCE__
     const HMENU hmenu = (HMENU)lParam;
 
-    MENUITEMINFO mii;
-    wxZeroMemory(mii);
-    mii.cbSize = sizeof(MENUITEMINFO);
+    WinStruct<MENUITEMINFO> mii;
 
     // we could use MIIM_FTYPE here as we only need to know if the item is
     // ownerdrawn or not and not dwTypeData which MIIM_TYPE also returns, but