diff --git a/include/wx/propgrid/advprops.h b/include/wx/propgrid/advprops.h
index dc1abc28e6..bbfa363e03 100644
--- a/include/wx/propgrid/advprops.h
+++ b/include/wx/propgrid/advprops.h
@@ -71,8 +71,8 @@ public:
 
     wxColourPropertyValue()
         : wxObject()
+        , m_type(0)
     {
-        m_type = 0;
     }
 
     virtual ~wxColourPropertyValue()
@@ -81,9 +81,9 @@ public:
 
     wxColourPropertyValue( const wxColourPropertyValue& v )
         : wxObject()
+        , m_type(v.m_type)
         , m_colour(v.m_colour)
     {
-        m_type = v.m_type;
     }
 
     void Init( wxUint32 type, const wxColour& colour )
@@ -94,15 +94,15 @@ public:
 
     wxColourPropertyValue( const wxColour& colour )
         : wxObject()
+        , m_type(wxPG_COLOUR_CUSTOM)
         , m_colour(colour)
     {
-        m_type = wxPG_COLOUR_CUSTOM;
     }
 
     wxColourPropertyValue( wxUint32 type )
         : wxObject()
+        , m_type(type)
     {
-        m_type = type;
     }
 
     wxColourPropertyValue( wxUint32 type, const wxColour& colour )
diff --git a/include/wx/propgrid/editors.h b/include/wx/propgrid/editors.h
index 4c58a442ac..937d93d973 100644
--- a/include/wx/propgrid/editors.h
+++ b/include/wx/propgrid/editors.h
@@ -67,8 +67,8 @@ public:
     // Constructor.
     wxPGEditor()
         : wxObject()
+        , m_clientData(NULL)
     {
-        m_clientData = NULL;
     }
 
     // Destructor.
@@ -418,8 +418,8 @@ class WXDLLIMPEXP_PROPGRID wxPGEditorDialogAdapter : public wxObject
 public:
     wxPGEditorDialogAdapter()
         : wxObject()
+        , m_clientData(NULL)
     {
-        m_clientData = NULL;
     }
 
     virtual ~wxPGEditorDialogAdapter() { }
diff --git a/include/wx/propgrid/property.h b/include/wx/propgrid/property.h
index 14c4508920..d5aba7601c 100644
--- a/include/wx/propgrid/property.h
+++ b/include/wx/propgrid/property.h
@@ -648,12 +648,13 @@ public:
     wxPGChoiceEntry();
     wxPGChoiceEntry(const wxPGChoiceEntry& other)
         : wxPGCell(other)
+        , m_value(other.m_value)
     {
-        m_value = other.m_value;
     }
     wxPGChoiceEntry( const wxString& label,
                      int value = wxPG_INVALID_VALUE )
-        : wxPGCell(), m_value(value)
+        : wxPGCell()
+        , m_value(value)
     {
         SetText(label);
     }
diff --git a/include/wx/propgrid/propgrid.h b/include/wx/propgrid/propgrid.h
index 45cbb86002..89b8b7eb92 100644
--- a/include/wx/propgrid/propgrid.h
+++ b/include/wx/propgrid/propgrid.h
@@ -334,8 +334,8 @@ public:
 
     wxPGCommonValue( const wxString& label, wxPGCellRenderer* renderer )
         : m_label(label)
+        , m_renderer(renderer)
     {
-        m_renderer = renderer;
         renderer->IncRef();
     }
     virtual ~wxPGCommonValue()
@@ -408,9 +408,9 @@ class WXDLLIMPEXP_PROPGRID wxPGValidationInfo
     friend class wxPropertyGrid;
 public:
     wxPGValidationInfo()
+        : m_failureBehavior(0)
+        , m_isFailing(false)
     {
-        m_failureBehavior = 0;
-        m_isFailing = false;
     }
 
     ~wxPGValidationInfo()
diff --git a/include/wx/propgrid/propgridpagestate.h b/include/wx/propgrid/propgridpagestate.h
index 7f5f25bb57..4e747d90c6 100644
--- a/include/wx/propgrid/propgridpagestate.h
+++ b/include/wx/propgrid/propgridpagestate.h
@@ -26,11 +26,11 @@ class WXDLLIMPEXP_PROPGRID wxPropertyGridHitTestResult
     friend class wxPropertyGridPageState;
 public:
     wxPropertyGridHitTestResult()
+        : m_property(NULL)
+        , m_column(-1)
+        , m_splitter(-1)
+        , m_splitterHitOffset(0)
     {
-        m_property = NULL;
-        m_column = -1;
-        m_splitter = -1;
-        m_splitterHitOffset = 0;
     }
 
     ~wxPropertyGridHitTestResult()
diff --git a/src/propgrid/advprops.cpp b/src/propgrid/advprops.cpp
index f3b9348884..c9add08db3 100644
--- a/src/propgrid/advprops.cpp
+++ b/src/propgrid/advprops.cpp
@@ -113,10 +113,9 @@ class wxPGSpinButton : public wxSpinButton
 {
 public:
     wxPGSpinButton() : wxSpinButton()
+        , m_hasCapture(false)
+        , m_spins(1)
     {
-        m_hasCapture = false;
-        m_spins = 1;
-
         Bind(wxEVT_LEFT_DOWN, &wxPGSpinButton::OnMouseLeftDown, this);
         Bind(wxEVT_LEFT_UP, &wxPGSpinButton::OnMouseLeftUp, this);
         Bind(wxEVT_MOTION, &wxPGSpinButton::OnMouseMove, this);
diff --git a/src/propgrid/editors.cpp b/src/propgrid/editors.cpp
index 7d076b4e2f..46647cc32c 100644
--- a/src/propgrid/editors.cpp
+++ b/src/propgrid/editors.cpp
@@ -492,11 +492,11 @@ public:
 
     wxPGDoubleClickProcessor( wxOwnerDrawnComboBox* combo, wxBoolProperty* property )
         : wxEvtHandler()
+        , m_timeLastMouseUp(0)
+        , m_combo(combo)
+        , m_property(property)
+        , m_downReceived(false)
     {
-        m_timeLastMouseUp = 0;
-        m_combo = combo;
-        m_property = property;
-        m_downReceived = false;
     }
 
 protected:
@@ -575,8 +575,8 @@ public:
 
     wxPGComboBox()
         : wxOwnerDrawnComboBox()
+        , m_dclickProcessor(NULL)
     {
-        m_dclickProcessor = NULL;
     }
 
     ~wxPGComboBox()
@@ -1482,11 +1482,11 @@ public:
                       const wxPoint& pos = wxDefaultPosition,
                       const wxSize& size = wxDefaultSize )
         : wxControl(parent,id,pos,size,wxBORDER_NONE|wxWANTS_CHARS)
+        , m_state(0)
     {
         // Due to SetOwnFont stuff necessary for GTK+ 1.2, we need to have this
         SetFont( parent->GetFont() );
 
-        m_state = 0;
         SetBoxHeight(12);
         SetBackgroundStyle( wxBG_STYLE_PAINT );
     }
diff --git a/src/propgrid/manager.cpp b/src/propgrid/manager.cpp
index 4a3201178a..ec28283eb2 100644
--- a/src/propgrid/manager.cpp
+++ b/src/propgrid/manager.cpp
@@ -333,10 +333,10 @@ wxEND_EVENT_TABLE()
 
 wxPropertyGridPage::wxPropertyGridPage()
     : wxEvtHandler(), wxPropertyGridInterface(), wxPropertyGridPageState()
+    , m_manager(NULL)
+    , m_isDefault(false)
 {
     m_pState = this; // wxPropertyGridInterface to point to State
-    m_manager = NULL;
-    m_isDefault = false;
 }
 
 wxPropertyGridPage::~wxPropertyGridPage()
@@ -395,10 +395,10 @@ class wxPGHeaderCtrl : public wxHeaderCtrl
 {
 public:
     wxPGHeaderCtrl(wxPropertyGridManager* manager, wxWindowID id, const wxPoint& pos,
-                   const wxSize& size, long style) :
-        wxHeaderCtrl(manager, id, pos, size, style)
+                   const wxSize& size, long style)
+        : wxHeaderCtrl(manager, id, pos, size, style)
+        , m_manager(manager)
     {
-        m_manager = manager;
         EnsureColumnCount(2);
 
         // Seed titles with defaults
diff --git a/src/propgrid/property.cpp b/src/propgrid/property.cpp
index f05bb657bd..8b6600ea86 100644
--- a/src/propgrid/property.cpp
+++ b/src/propgrid/property.cpp
@@ -354,8 +354,8 @@ wxSize wxPGDefaultRenderer::GetImageSize( const wxPGProperty* property,
 
 wxPGCellData::wxPGCellData()
     : wxObjectRefData()
+    , m_hasValidText(false)
 {
-    m_hasValidText = false;
 }
 
 // -----------------------------------------------------------------------
diff --git a/src/propgrid/propgrid.cpp b/src/propgrid/propgrid.cpp
index 60f8eade48..5271d995f1 100644
--- a/src/propgrid/propgrid.cpp
+++ b/src/propgrid/propgrid.cpp
@@ -166,7 +166,9 @@ wxPGGlobalVarsClass* wxPGGlobalVars = NULL;
 
 wxPGGlobalVarsClass::wxPGGlobalVarsClass()
     // Prepare some shared variants
-    : m_vEmptyString(wxString())
+    : m_fontFamilyChoices(NULL)
+    , m_defaultRenderer(new wxPGDefaultRenderer())
+    , m_vEmptyString(wxString())
     , m_vZero(0L)
     , m_vMinusOne(-1L)
     , m_vTrue(true)
@@ -184,6 +186,10 @@ wxPGGlobalVarsClass::wxPGGlobalVarsClass()
 #if wxPG_COMPATIBILITY_1_4
     , m_strInlineHelp(wxS("InlineHelp"))
 #endif
+    , m_autoGetTranslation(false)
+    , m_offline(0)
+    , m_extraStyle(0)
+    , m_warnings(0)
 {
     wxPGProperty::sm_wxPG_LABEL = new wxString(wxPG_LABEL_STRING);
 
@@ -191,18 +197,6 @@ wxPGGlobalVarsClass::wxPGGlobalVarsClass()
     m_boolChoices.Add(_("False"));
     /* TRANSLATORS: Name of Boolean true value */
     m_boolChoices.Add(_("True"));
-
-    m_fontFamilyChoices = NULL;
-
-    m_defaultRenderer = new wxPGDefaultRenderer();
-
-    m_autoGetTranslation = false;
-
-    m_offline = 0;
-
-    m_extraStyle = 0;
-
-    m_warnings = 0;
 }
 
 
@@ -6338,8 +6332,8 @@ void wxPropertyGridEvent::Init()
 
 wxPropertyGridEvent::wxPropertyGridEvent(wxEventType commandType, int id)
     : wxCommandEvent(commandType,id)
+    , m_property(NULL)
 {
-    m_property = NULL;
     Init();
 }
 
@@ -6347,15 +6341,15 @@ wxPropertyGridEvent::wxPropertyGridEvent(wxEventType commandType, int id)
 
 wxPropertyGridEvent::wxPropertyGridEvent(const wxPropertyGridEvent& event)
     : wxCommandEvent(event)
+    , m_property(event.m_property)
+    , m_pg(event.m_pg)
+    , m_validationInfo(event.m_validationInfo)
+    , m_canVeto(event.m_canVeto)
+    , m_wasVetoed(event.m_wasVetoed)
 {
     m_eventType = event.GetEventType();
     m_eventObject = event.m_eventObject;
-    m_pg = event.m_pg;
     OnPropertyGridSet();
-    m_property = event.m_property;
-    m_validationInfo = event.m_validationInfo;
-    m_canVeto = event.m_canVeto;
-    m_wasVetoed = event.m_wasVetoed;
 }
 
 // -----------------------------------------------------------------------
@@ -6408,9 +6402,9 @@ wxEvent* wxPropertyGridEvent::Clone() const
 // -----------------------------------------------------------------------
 
 wxPropertyGridPopulator::wxPropertyGridPopulator()
+    : m_pg(NULL)
+    , m_state(NULL)
 {
-    m_state = NULL;
-    m_pg = NULL;
     wxPGGlobalVars->m_offline++;
 }
 
diff --git a/src/propgrid/propgridpagestate.cpp b/src/propgrid/propgridpagestate.cpp
index 572e52bddd..77c6734601 100644
--- a/src/propgrid/propgridpagestate.cpp
+++ b/src/propgrid/propgridpagestate.cpp
@@ -188,27 +188,26 @@ void wxPropertyGridIteratorBase::Next( bool iterateChildren )
 // -----------------------------------------------------------------------
 
 wxPropertyGridPageState::wxPropertyGridPageState()
+    : m_pPropGrid(NULL)
+    , m_properties(&m_regularArray)
+    , m_abcArray(NULL)
+    , m_currentCategory(NULL)
+    , m_width(0)
+    , m_virtualHeight(0)
+    , m_itemsAdded(false)
+    , m_anyModified(false)
+    , m_vhCalcPending(false)
+    , m_fSplitterX(wxPG_DEFAULT_SPLITTERX)
+    , m_isSplitterPreSet(false)
+    , m_dontCenterSplitter(false)
 {
-    m_pPropGrid = NULL;
     m_regularArray.SetParentState(this);
-    m_properties = &m_regularArray;
-    m_abcArray = NULL;
-    m_currentCategory = NULL;
-    m_width = 0;
-    m_virtualHeight = 0;
-    m_itemsAdded = false;
-    m_anyModified = false;
-    m_vhCalcPending = false;
     m_colWidths.push_back( wxPG_DEFAULT_SPLITTERX );
     m_colWidths.push_back( wxPG_DEFAULT_SPLITTERX );
-    m_fSplitterX = wxPG_DEFAULT_SPLITTERX;
 
     m_columnProportions.push_back(1);
     m_columnProportions.push_back(1);
 
-    m_isSplitterPreSet = false;
-    m_dontCenterSplitter = false;
-
     // By default, we only have the 'value' column editable
     m_editableColumns.push_back(1);
 }