diff --git a/LATEST_RELEASE_NOTES.md b/LATEST_RELEASE_NOTES.md
index d3d870e..795eb79 100644
--- a/LATEST_RELEASE_NOTES.md
+++ b/LATEST_RELEASE_NOTES.md
@@ -12,4 +12,5 @@ Other changes:
 * [#65](../../issues/65) Custom controller should take a coroutine that generates wxWindows to be added to the sizer
 * [#70](../../issues/70) Widget::style() is odd, it should be withStyle()
 * [#71](../../issues/71) remove wxUI::details::Custom
+* [#72](../../issues/72) consider making WidgetDetails member values private
 
diff --git a/include/wxUI/BitmapButton.h b/include/wxUI/BitmapButton.h
index 384bb73..5a34a62 100644
--- a/include/wxUI/BitmapButton.h
+++ b/include/wxUI/BitmapButton.h
@@ -58,7 +58,7 @@ struct BitmapButton : public details::WidgetDetails<BitmapButton, wxBitmapButton
 
     auto create(wxWindow* parent) -> wxWindow* override
     {
-        auto* widget = new underlying_t(parent, identity, bitmap, this->pos, this->size, this->usingStyle);
+        auto* widget = new underlying_t(parent, getIdentity(), bitmap, getPos(), getSize(), getStyle());
         if (isDefault) {
             widget->SetDefault();
         }
diff --git a/include/wxUI/BitmapToggleButton.h b/include/wxUI/BitmapToggleButton.h
index ff24401..f7693ca 100644
--- a/include/wxUI/BitmapToggleButton.h
+++ b/include/wxUI/BitmapToggleButton.h
@@ -60,7 +60,7 @@ struct BitmapToggleButton : public details::WidgetDetails<BitmapToggleButton, wx
 
     auto create(wxWindow* parent) -> wxWindow* override
     {
-        auto* widget = new underlying_t(parent, identity, bitmap, this->pos, this->size, this->usingStyle);
+        auto* widget = new underlying_t(parent, getIdentity(), bitmap, getPos(), getSize(), getStyle());
         if (bitmapPressed) {
             widget->SetBitmapPressed(*bitmapPressed);
         }
diff --git a/include/wxUI/Button.h b/include/wxUI/Button.h
index a198a9b..6e031c1 100644
--- a/include/wxUI/Button.h
+++ b/include/wxUI/Button.h
@@ -58,7 +58,7 @@ struct Button : public details::WidgetDetails<Button, wxButton> {
 
     auto create(wxWindow* parent) -> wxWindow* override
     {
-        auto* widget = new underlying_t(parent, identity, text, this->pos, this->size, this->usingStyle);
+        auto* widget = new underlying_t(parent, getIdentity(), text, getPos(), getSize(), getStyle());
         if (isDefault) {
             widget->SetDefault();
         }
diff --git a/include/wxUI/CheckBox.h b/include/wxUI/CheckBox.h
index 1f4944a..3ab92dc 100644
--- a/include/wxUI/CheckBox.h
+++ b/include/wxUI/CheckBox.h
@@ -60,7 +60,7 @@ struct CheckBox : public details::WidgetDetails<CheckBox, wxCheckBox> {
 
     auto create(wxWindow* parent) -> wxWindow* override
     {
-        return new underlying_t(parent, this->identity, text, this->pos, this->size, this->usingStyle);
+        return new underlying_t(parent, getIdentity(), text, getPos(), getSize(), getStyle());
     }
 
     template <typename Function>
diff --git a/include/wxUI/Choice.h b/include/wxUI/Choice.h
index 923654b..9a07f67 100644
--- a/include/wxUI/Choice.h
+++ b/include/wxUI/Choice.h
@@ -64,7 +64,7 @@ struct Choice : public details::WidgetDetails<Choice, wxChoice> {
 
     auto create(wxWindow* parent) -> wxWindow* override
     {
-        auto* widget = new underlying_t(parent, this->identity, this->pos, this->size, static_cast<int>(choices.size()), choices.data(), this->usingStyle);
+        auto* widget = new underlying_t(parent, getIdentity(), getPos(), getSize(), static_cast<int>(choices.size()), choices.data(), getStyle());
         widget->SetSelection(selection);
         return widget;
     }
diff --git a/include/wxUI/Line.h b/include/wxUI/Line.h
index d621c57..0c01255 100644
--- a/include/wxUI/Line.h
+++ b/include/wxUI/Line.h
@@ -43,7 +43,7 @@ struct Line : public details::WidgetDetails<Line, wxStaticLine> {
 
     auto create(wxWindow* parent) -> wxWindow* override
     {
-        return new underlying_t(parent, this->identity, this->pos, this->size, this->usingStyle);
+        return new underlying_t(parent, getIdentity(), getPos(), getSize(), getStyle());
     }
 
     virtual ~Line() = default;
diff --git a/include/wxUI/ListBox.h b/include/wxUI/ListBox.h
index 4ab5a0c..209b3de 100644
--- a/include/wxUI/ListBox.h
+++ b/include/wxUI/ListBox.h
@@ -64,7 +64,7 @@ struct ListBox : public details::WidgetDetails<ListBox, wxListBox> {
 
     auto create(wxWindow* parent) -> wxWindow* override
     {
-        auto* widget = new underlying_t(parent, this->identity, this->pos, this->size, static_cast<int>(choices.size()), choices.data(), this->usingStyle);
+        auto* widget = new underlying_t(parent, getIdentity(), getPos(), getSize(), static_cast<int>(choices.size()), choices.data(), getStyle());
         widget->SetSelection(selection);
         return widget;
     }
diff --git a/include/wxUI/RadioBox.h b/include/wxUI/RadioBox.h
index 8068529..03c7774 100644
--- a/include/wxUI/RadioBox.h
+++ b/include/wxUI/RadioBox.h
@@ -37,11 +37,10 @@ struct RadioBox : details::WidgetDetails<RadioBox, wxRadioBox> {
     int selection {};
 
     explicit RadioBox(wxWindowID identity, std::string text = "", std::vector<wxString> choices = {})
-        : super(identity)
+        : super(identity, details::withStyle {}, wxRA_SPECIFY_COLS)
         , text(std::move(text))
         , choices(std::move(choices))
     {
-        usingStyle = wxRA_SPECIFY_COLS;
     }
 
     RadioBox(wxWindowID identity, std::vector<wxString> choices)
@@ -60,11 +59,10 @@ struct RadioBox : details::WidgetDetails<RadioBox, wxRadioBox> {
     }
 
     RadioBox(wxSizerFlags const& flags, wxWindowID identity, std::string text, std::vector<wxString> choices)
-        : super(flags, identity)
+        : super(flags, identity, details::withStyle {}, wxRA_SPECIFY_COLS)
         , text(std::move(text))
         , choices(std::move(choices))
     {
-        usingStyle = wxRA_SPECIFY_COLS;
     }
 
     RadioBox(wxSizerFlags const& flags, wxWindowID identity, std::vector<wxString> choices)
@@ -96,7 +94,7 @@ struct RadioBox : details::WidgetDetails<RadioBox, wxRadioBox> {
 
     auto create(wxWindow* parent) -> wxWindow* override
     {
-        auto* widget = new underlying_t(parent, this->identity, text, this->pos, this->size, static_cast<int>(choices.size()), choices.data(), majorDim_, this->usingStyle);
+        auto* widget = new underlying_t(parent, getIdentity(), text, getPos(), getSize(), static_cast<int>(choices.size()), choices.data(), majorDim_, getStyle());
         widget->SetSelection(selection);
         return widget;
     }
diff --git a/include/wxUI/Slider.h b/include/wxUI/Slider.h
index 53b5e52..b103f67 100644
--- a/include/wxUI/Slider.h
+++ b/include/wxUI/Slider.h
@@ -63,7 +63,7 @@ struct Slider : public details::WidgetDetails<Slider, wxSlider> {
         auto min = range ? range->first : 0;
         auto max = range ? range->second : 100;
         auto initvalue = initial ? *initial : min;
-        auto* widget = new underlying_t(parent, identity, initvalue, min, max, this->pos, this->size, this->usingStyle);
+        auto* widget = new underlying_t(parent, getIdentity(), initvalue, min, max, getPos(), getSize(), getStyle());
         return widget;
     }
 
diff --git a/include/wxUI/SpinCtrl.h b/include/wxUI/SpinCtrl.h
index 1a2be41..3ca569b 100644
--- a/include/wxUI/SpinCtrl.h
+++ b/include/wxUI/SpinCtrl.h
@@ -63,7 +63,7 @@ struct SpinCtrl : public details::WidgetDetails<SpinCtrl, wxSpinCtrl> {
         auto min = range ? range->first : 0;
         auto max = range ? range->second : 100;
         auto initvalue = initial ? *initial : min;
-        auto* widget = new underlying_t(parent, identity, wxEmptyString, this->pos, this->size, this->usingStyle, min, max, initvalue);
+        auto* widget = new underlying_t(parent, getIdentity(), wxEmptyString, getPos(), getSize(), getStyle(), min, max, initvalue);
         return widget;
     }
 
diff --git a/include/wxUI/Text.h b/include/wxUI/Text.h
index 0ee0780..f9bee84 100644
--- a/include/wxUI/Text.h
+++ b/include/wxUI/Text.h
@@ -59,7 +59,7 @@ struct Text : public details::WidgetDetails<Text, wxStaticText> {
 
     auto create(wxWindow* parent) -> wxWindow* override
     {
-        return new underlying_t(parent, identity, text, this->pos, this->size, this->usingStyle);
+        return new underlying_t(parent, getIdentity(), text, getPos(), getSize(), getStyle());
     }
 
     virtual ~Text() = default;
diff --git a/include/wxUI/TextCtrl.h b/include/wxUI/TextCtrl.h
index 340448f..742d0a7 100644
--- a/include/wxUI/TextCtrl.h
+++ b/include/wxUI/TextCtrl.h
@@ -57,7 +57,7 @@ struct TextCtrl : public details::WidgetDetails<TextCtrl, wxTextCtrl> {
 
     auto create(wxWindow* parent) -> wxWindow* override
     {
-        return new underlying_t(parent, this->identity, text, this->pos, this->size, this->usingStyle);
+        return new underlying_t(parent, getIdentity(), text, getPos(), getSize(), getStyle());
     }
 
     template <typename Function>
diff --git a/include/wxUI/Widget.h b/include/wxUI/Widget.h
index efabdc3..22aed7b 100644
--- a/include/wxUI/Widget.h
+++ b/include/wxUI/Widget.h
@@ -98,6 +98,10 @@ struct BindWidgetToEvent {
 template <Widget W, typename Event, typename Function>
 BindWidgetToEvent(W, Event, Function) -> BindWidgetToEvent<W, Event, Function>;
 
+// This is to allow disambiguation of construction with a style
+struct withStyle {
+};
+
 // The WidgetDetails are the base class of the Controllers.  The common details
 // across many controllers are stored in the base class.
 // The "recipe" for constructing a controller is pretty straight forward:
@@ -118,6 +122,19 @@ struct WidgetDetails {
     {
     }
 
+    explicit WidgetDetails(wxWindowID identity, withStyle, int64_t style)
+        : identity(identity)
+        , style(style)
+    {
+    }
+
+    WidgetDetails(wxSizerFlags const& flags, wxWindowID identity, withStyle, int64_t style)
+        : flags(flags)
+        , identity(identity)
+        , style(style)
+    {
+    }
+
     auto withPosition(wxPoint pos_) -> ConcreteWidget&
     {
         pos = pos_;
@@ -130,9 +147,9 @@ struct WidgetDetails {
         return static_cast<ConcreteWidget&>(*this);
     }
 
-    auto withStyle(int64_t style) -> ConcreteWidget&
+    auto withStyle(int64_t style_) -> ConcreteWidget&
     {
-        usingStyle = style;
+        style = style_;
         return static_cast<ConcreteWidget&>(*this);
     }
 
@@ -152,18 +169,22 @@ struct WidgetDetails {
         return widget;
     }
 
+    auto getIdentity() const { return identity; }
+    auto getPos() const { return pos; }
+    auto getSize() const { return size; }
+    auto getStyle() const { return style; }
+
 private:
     // these should be implemented in the derived classes.
     // aka the Template Pattern
     virtual auto create(wxWindow* parent) -> wxWindow* = 0;
 
-public:
     std::optional<wxSizerFlags> flags;
     // these are common across the controls
     wxWindowID identity = wxID_ANY;
     wxPoint pos = wxDefaultPosition;
     wxSize size = wxDefaultSize;
-    int64_t usingStyle {};
+    int64_t style {};
     Underlying** windowHandle {};
 };