X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/eed04c9999d7929fad7d18fab4e8071b515f6aa7..1a86d2e52c76551a8067403bc08d82bee0186d2c:/src/msw/window.cpp

diff --git a/src/msw/window.cpp b/src/msw/window.cpp
index 2fb78f4a7c..3702df9b6c 100644
--- a/src/msw/window.cpp
+++ b/src/msw/window.cpp
@@ -3669,6 +3669,12 @@ bool wxWindowMSW::MSWCreate(const wxChar *wclass,
                             WXDWORD style,
                             WXDWORD extendedStyle)
 {
+    // check a common bug in the user code: if the window is created with a
+    // non-default ctor and Create() is called too, we'd create 2 HWND for a
+    // single wxWindow object and this results in all sorts of trouble,
+    // especially for wxTLWs
+    wxCHECK_MSG( !m_hWnd, true, "window can't be recreated" );
+
     // choose the position/size for the new window
     int x, y, w, h;
     (void)MSWGetCreateWindowCoords(pos, size, x, y, w, h);