X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/304435501bf40f2311e3df9f350a32a6ea142ddd..9fb99466b5b43589f477783ca65bf17714ff8615:/src/msw/window.cpp?ds=sidebyside

diff --git a/src/msw/window.cpp b/src/msw/window.cpp
index 87a4f12601..f0baae9521 100644
--- a/src/msw/window.cpp
+++ b/src/msw/window.cpp
@@ -716,6 +716,16 @@ bool wxWindowMSW::Show(bool show)
         ::ShowWindow(hWnd, show ? SW_SHOW : SW_HIDE);
     }
 
+    if ( IsFrozen() )
+    {
+        // DoFreeze/DoThaw don't do anything if the window is not shown, so
+        // we have to call them from here now
+        if ( show )
+            DoFreeze();
+        else
+            DoThaw();
+    }
+
     return true;
 }
 
@@ -1615,20 +1625,22 @@ static inline void SendSetRedraw(HWND hwnd, bool on)
 
 void wxWindowMSW::DoFreeze()
 {
-    if ( IsShown() )
-        SendSetRedraw(GetHwnd(), false);
+    if ( !IsShown() )
+        return; // no point in freezing hidden window
+
+    SendSetRedraw(GetHwnd(), false);
 }
 
 void wxWindowMSW::DoThaw()
 {
-    if ( IsShown() )
-    {
-        SendSetRedraw(GetHwnd(), true);
+    if ( !IsShown() )
+        return; // hidden windows aren't frozen by DoFreeze
 
-        // we need to refresh everything or otherwise the invalidated area
-        // is not going to be repainted
-        Refresh();
-    }
+    SendSetRedraw(GetHwnd(), true);
+
+    // we need to refresh everything or otherwise the invalidated area
+    // is not going to be repainted
+    Refresh();
 }
 
 void wxWindowMSW::Refresh(bool eraseBack, const wxRect *rect)
@@ -3906,7 +3918,7 @@ bool wxWindowMSW::HandleEndSession(bool endSession, long logOff)
     wxCloseEvent event(wxEVT_END_SESSION, wxID_ANY);
     event.SetEventObject(wxTheApp);
     event.SetCanVeto(false);
-    event.SetLoggingOff( (logOff == (long)ENDSESSION_LOGOFF) );
+    event.SetLoggingOff((logOff & ENDSESSION_LOGOFF) != 0);
 
     return wxTheApp->ProcessEvent(event);
 #else