X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c0badb709a86b91a203416784b649e3d00c699c7..8a540c887cd30960c77e6c171ecabe30273321a8:/src/motif/spinbutt.cpp

diff --git a/src/motif/spinbutt.cpp b/src/motif/spinbutt.cpp
index 4f32323ea2..a84d1f38dd 100644
--- a/src/motif/spinbutt.cpp
+++ b/src/motif/spinbutt.cpp
@@ -93,7 +93,7 @@ public:
         Create( parent, id, d, pos, size );
     }
 
-    ~wxArrowButton()
+    virtual ~wxArrowButton()
         { delete m_timer; }
 
     bool Create( wxSpinButton* parent, wxWindowID id, ArrowDirection d,
@@ -189,6 +189,8 @@ bool wxArrowButton::Create( wxSpinButton* parent,
                             ArrowDirection d,
                             const wxPoint& pos, const wxSize& size )
 {
+    wxCHECK_MSG( parent, false, _T("must have a valid parent") );
+
     int arrow_dir = XmARROW_UP;
 
     switch( d )
@@ -207,7 +209,7 @@ bool wxArrowButton::Create( wxSpinButton* parent,
         break;
     }
 
-    if( parent ) parent->AddChild( this );
+    parent->AddChild( this );
 
     Widget parentWidget = (Widget) parent->GetClientWidget();
     m_mainWidget = (WXWidget) XtVaCreateManagedWidget( "XmArrowButton",