fix for using an invalid HWND in IsEditable

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@14541 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/src/msw/textctrl.cpp b/src/msw/textctrl.cpp
index 12716ffeb5165b8e13154da8b699a7e2f0b35aaa..e9bbcc1ad55477c6292036242fb3d027aa7c6ae7 100644 (file)
--- a/src/msw/textctrl.cpp
+++ b/src/msw/textctrl.cpp
@@ -844,6 +844,12 @@ void wxTextCtrl::GetSelection(long* from, long* to) const
 
 bool wxTextCtrl::IsEditable() const
 {
+    // strangely enough, we may be called before the control is created: our
+    // own Create() calls MSWGetStyle() which calls AcceptsFocus() which calls
+    // us
+    if ( !m_hWnd )
+        return TRUE;
+
     long style = ::GetWindowLong(GetHwnd(), GWL_STYLE);
 
     return (style & ES_READONLY) == 0;