Reorganize wxCollapsiblePane event and layout code under GTK+

[wxWidgets.git] / src / common / variant.cpp

diff --git a/src/common/variant.cpp b/src/common/variant.cpp
index 2b952944b1401ce9ac5f26cbbbc48c0a60b2cede..627edfbef604c42ad8cfd7bbae749eebaf28189c 100644 (file)
--- a/src/common/variant.cpp
+++ b/src/common/variant.cpp
@@ -63,12 +63,12 @@ IMPLEMENT_DYNAMIC_CLASS(wxVariant, wxObject)
 
 wxVariant::wxVariant()
 {
-    m_data = (wxVariantData*) NULL;
+    m_data = NULL;
 }
 
 bool wxVariant::IsNull() const
 {
-     return (m_data == (wxVariantData*) NULL);
+     return (m_data == NULL);
 }
 
 void wxVariant::MakeNull()
@@ -84,7 +84,7 @@ void wxVariant::Clear()
 wxVariant::wxVariant(const wxVariant& variant)
     : wxObject()
 {
-    m_data = (wxVariantData*) NULL;
+    m_data = NULL;
 
     if (!variant.IsNull())
         Ref(variant);
@@ -1182,7 +1182,11 @@ void wxVariant::operator= (void* value)
 
 void* wxVariant::GetVoidPtr() const
 {
-    wxASSERT( (GetType() == wxT("void*")) );
+    // handling this specially is convenient when working with COM, see #9873
+    if ( IsNull() )
+        return NULL;
+
+    wxASSERT( GetType() == wxT("void*") );
 
     return (void*) ((wxVariantDataVoidPtr*) m_data)->GetValue();
 }