diff --git a/src/uing.cr b/src/uing.cr
index ee324a1..3128709 100644
--- a/src/uing.cr
+++ b/src/uing.cr
@@ -1,23 +1,9 @@
 require "./uing/version"
 require "./uing/lib_ui"
-
-require "./uing/area_handler"
-require "./uing/area_draw_params"
-require "./uing/area_mouse_event"
-require "./uing/area_key_event"
-require "./uing/draw_brush"
-require "./uing/draw_stroke_params"
-require "./uing/draw_matrix"
-require "./uing/draw_brush_gradient_stop"
-require "./uing/font_descriptor"
-require "./uing/draw_text_layout_params"
-require "./uing/table_model_handler"
-require "./uing/table_text_column_optional_params"
-require "./uing/table_params"
-require "./uing/table_selection"
-
 require "./uing/tm"
 
+require "./uing/*"
+
 module UIng
   # uiInitOptions is not used (but it is required)
   # See https://github.com/libui-ng/libui-ng/issues/208
@@ -70,28 +56,28 @@ module UIng
   end
 
   def self.queue_main(&callback : -> Void) : Nil
-    boxed_data = Box.box(callback)
+    boxed_data = ::Box.box(callback)
     @@box = boxed_data
     LibUI.queue_main(->(data) do
-      data_as_callback = Box(typeof(callback)).unbox(data)
+      data_as_callback = ::Box(typeof(callback)).unbox(data)
       data_as_callback.call
     end, boxed_data)
   end
 
   def self.timer(sender, &callback : -> LibC::Int) : Nil
-    boxed_data = Box.box(callback)
+    boxed_data = ::Box.box(callback)
     @@box = boxed_data
     LibUI.timer(sender, ->(sender, data) do
-      data_as_callback = Box(typeof(callback)).unbox(data)
+      data_as_callback = ::Box(typeof(callback)).unbox(data)
       data_as_callback.call
     end, boxed_data)
   end
 
   def self.on_should_quit(&callback : -> LibC::Int) : Nil
-    boxed_data = Box.box(callback)
+    boxed_data = ::Box.box(callback)
     @@box = boxed_data
     LibUI.on_should_quit(->(data) do
-      data_as_callback = Box(typeof(callback)).unbox(data)
+      data_as_callback = ::Box(typeof(callback)).unbox(data)
       data_as_callback.call
     end, boxed_data)
   end
@@ -182,10 +168,10 @@ module UIng
   end
 
   def self.window_on_position_changed(sender, &callback : -> Void) : Nil
-    boxed_data = Box.box(callback)
+    boxed_data = ::Box.box(callback)
     @@box = boxed_data
     LibUI.window_on_position_changed(sender, ->(sender, data) do
-      data_as_callback = Box(typeof(callback)).unbox(data)
+      data_as_callback = ::Box(typeof(callback)).unbox(data)
       data_as_callback.call
     end, boxed_data)
   end
@@ -207,28 +193,28 @@ module UIng
   end
 
   def self.window_on_content_size_changed(sender, &callback : -> Void) : Nil
-    boxed_data = Box.box(callback)
+    boxed_data = ::Box.box(callback)
     @@box = boxed_data
     LibUI.window_on_content_size_changed(sender, ->(sender, data) do
-      data_as_callback = Box(typeof(callback)).unbox(data)
+      data_as_callback = ::Box(typeof(callback)).unbox(data)
       data_as_callback.call
     end, boxed_data)
   end
 
   def self.window_on_closing(sender, &callback : -> LibC::Int) : Nil
-    boxed_data = Box.box(callback)
+    boxed_data = ::Box.box(callback)
     @@box = boxed_data
     LibUI.window_on_closing(sender, ->(sender, data) do
-      data_as_callback = Box(typeof(callback)).unbox(data)
+      data_as_callback = ::Box(typeof(callback)).unbox(data)
       data_as_callback.call
     end, boxed_data)
   end
 
   def self.window_on_focus_changed(sender, &callback : -> Void) : Nil
-    boxed_data = Box.box(callback)
+    boxed_data = ::Box.box(callback)
     @@box = boxed_data
     LibUI.window_on_focus_changed(sender, ->(sender, data) do
-      data_as_callback = Box(typeof(callback)).unbox(data)
+      data_as_callback = ::Box(typeof(callback)).unbox(data)
       data_as_callback.call
     end, boxed_data)
   end
@@ -279,10 +265,10 @@ module UIng
   end
 
   def self.button_on_clicked(sender, &callback : -> Void) : Nil
-    boxed_data = Box.box(callback)
+    boxed_data = ::Box.box(callback)
     @@box = boxed_data
     LibUI.button_on_clicked(sender, ->(sender, data) do
-      data_as_callback = Box(typeof(callback)).unbox(data)
+      data_as_callback = ::Box(typeof(callback)).unbox(data)
       data_as_callback.call
     end, boxed_data)
   end
@@ -329,10 +315,10 @@ module UIng
   end
 
   def self.checkbox_on_toggled(sender, &callback : -> Void) : Nil
-    boxed_data = Box.box(callback)
+    boxed_data = ::Box.box(callback)
     @@box = boxed_data
     LibUI.checkbox_on_toggled(sender, ->(sender, data) do
-      data_as_callback = Box(typeof(callback)).unbox(data)
+      data_as_callback = ::Box(typeof(callback)).unbox(data)
       data_as_callback.call
     end, boxed_data)
   end
@@ -359,10 +345,10 @@ module UIng
   end
 
   def self.entry_on_changed(sender, &callback : -> Void) : Nil
-    boxed_data = Box.box(callback)
+    boxed_data = ::Box.box(callback)
     @@box = boxed_data
     LibUI.entry_on_changed(sender, ->(sender, data) do
-      data_as_callback = Box(typeof(callback)).unbox(data)
+      data_as_callback = ::Box(typeof(callback)).unbox(data)
       data_as_callback.call
     end, boxed_data)
   end
@@ -462,10 +448,10 @@ module UIng
   end
 
   def self.spinbox_on_changed(sender, &callback : -> Void) : Nil
-    boxed_data = Box.box(callback)
+    boxed_data = ::Box.box(callback)
     @@box = boxed_data
     LibUI.spinbox_on_changed(sender, ->(sender, data) do
-      data_as_callback = Box(typeof(callback)).unbox(data)
+      data_as_callback = ::Box(typeof(callback)).unbox(data)
       data_as_callback.call
     end, boxed_data)
   end
@@ -491,19 +477,19 @@ module UIng
   end
 
   def self.slider_on_changed(sender, &callback : -> Void) : Nil
-    boxed_data = Box.box(callback)
+    boxed_data = ::Box.box(callback)
     @@box = boxed_data
     LibUI.slider_on_changed(sender, ->(sender, data) do
-      data_as_callback = Box(typeof(callback)).unbox(data)
+      data_as_callback = ::Box(typeof(callback)).unbox(data)
       data_as_callback.call
     end, boxed_data)
   end
 
   def self.slider_on_released(sender, &callback : -> Void) : Nil
-    boxed_data = Box.box(callback)
+    boxed_data = ::Box.box(callback)
     @@box = boxed_data
     LibUI.slider_on_released(sender, ->(sender, data) do
-      data_as_callback = Box(typeof(callback)).unbox(data)
+      data_as_callback = ::Box(typeof(callback)).unbox(data)
       data_as_callback.call
     end, boxed_data)
   end
@@ -565,10 +551,10 @@ module UIng
   end
 
   def self.combobox_on_selected(sender, &callback : -> Void) : Nil
-    boxed_data = Box.box(callback)
+    boxed_data = ::Box.box(callback)
     @@box = boxed_data
     LibUI.combobox_on_selected(sender, ->(sender, data) do
-      data_as_callback = Box(typeof(callback)).unbox(data)
+      data_as_callback = ::Box(typeof(callback)).unbox(data)
       data_as_callback.call
     end, boxed_data)
   end
@@ -591,10 +577,10 @@ module UIng
   end
 
   def self.editable_combobox_on_changed(sender, &callback : -> Void) : Nil
-    boxed_data = Box.box(callback)
+    boxed_data = ::Box.box(callback)
     @@box = boxed_data
     LibUI.editable_combobox_on_changed(sender, ->(sender, data) do
-      data_as_callback = Box(typeof(callback)).unbox(data)
+      data_as_callback = ::Box(typeof(callback)).unbox(data)
       data_as_callback.call
     end, boxed_data)
   end
@@ -616,10 +602,10 @@ module UIng
   end
 
   def self.radio_buttons_on_selected(sender, &callback : -> Void) : Nil
-    boxed_data = Box.box(callback)
+    boxed_data = ::Box.box(callback)
     @@box = boxed_data
     LibUI.radio_buttons_on_selected(sender, ->(sender, data) do
-      data_as_callback = Box(typeof(callback)).unbox(data)
+      data_as_callback = ::Box(typeof(callback)).unbox(data)
       data_as_callback.call
     end, boxed_data)
   end
@@ -637,10 +623,10 @@ module UIng
   end
 
   def self.date_time_picker_on_changed(sender, &callback : -> Void) : Nil
-    boxed_data = Box.box(callback)
+    boxed_data = ::Box.box(callback)
     @@box = boxed_data
     LibUI.date_time_picker_on_changed(sender, ->(sender, data) do
-      data_as_callback = Box(typeof(callback)).unbox(data)
+      data_as_callback = ::Box(typeof(callback)).unbox(data)
       data_as_callback.call
     end, boxed_data)
   end
@@ -671,10 +657,10 @@ module UIng
   end
 
   def self.multiline_entry_on_changed(sender, &callback : -> Void) : Nil
-    boxed_data = Box.box(callback)
+    boxed_data = ::Box.box(callback)
     @@box = boxed_data
     LibUI.multiline_entry_on_changed(sender, ->(sender, data) do
-      data_as_callback = Box(typeof(callback)).unbox(data)
+      data_as_callback = ::Box(typeof(callback)).unbox(data)
       data_as_callback.call
     end, boxed_data)
   end
@@ -704,10 +690,10 @@ module UIng
   end
 
   def self.menu_item_on_clicked(sender, &callback : Pointer(LibUI::Window) -> Void)
-    boxed_data = Box.box(callback)
+    boxed_data = ::Box.box(callback)
     @@box = boxed_data
     LibUI.menu_item_on_clicked(sender, ->(sender, window, data) do
-      data_as_callback = Box(typeof(callback)).unbox(data)
+      data_as_callback = ::Box(typeof(callback)).unbox(data)
       data_as_callback.call(window)
     end, boxed_data)
   end
@@ -1012,10 +998,10 @@ module UIng
   end
 
   def self.open_type_features_for_each(sender, &callback : (Pointer(Void), LibC::Char, LibC::Char, LibC::Char, LibC::Char, Int32) -> Void)
-    boxed_data = Box.box(callback)
+    boxed_data = ::Box.box(callback)
     @@box = boxed_data
     LibUI.open_type_features_for_each(sender, ->(otf, a, b, c, d, value, data) do
-      data_as_callback = Box(typeof(callback)).unbox(data)
+      data_as_callback = ::Box(typeof(callback)).unbox(data)
       data_as_callback.call(otf)
     end, boxed_data)
   end
@@ -1062,10 +1048,10 @@ module UIng
   end
 
   def self.attributed_string_for_each_attribute(sender, &callback : (Pointer(Void), Pointer(LibUI::Attribute), SizeT, SizeT, Pointer(Void)) -> Void)
-    boxed_data = Box.box(callback)
+    boxed_data = ::Box.box(callback)
     @@box = boxed_data
     LibUI.attributed_string_for_each_attribute(sender, ->(sender, attr, start, end_, data) do
-      data_as_callback = Box(typeof(callback)).unbox(data)
+      data_as_callback = ::Box(typeof(callback)).unbox(data)
       data_as_callback.call(attr, start, end_)
     end, boxed_data)
   end
@@ -1111,10 +1097,10 @@ module UIng
   end
 
   def self.font_button_on_changed(sender, &callback : -> Void) : Nil
-    boxed_data = Box.box(callback)
+    boxed_data = ::Box.box(callback)
     @@box = boxed_data
     LibUI.font_button_on_changed(sender, ->(sender, data) do
-      data_as_callback = Box(typeof(callback)).unbox(data)
+      data_as_callback = ::Box(typeof(callback)).unbox(data)
       data_as_callback.call
     end, boxed_data)
   end
@@ -1136,10 +1122,10 @@ module UIng
   end
 
   def self.color_button_on_changed(sender, &callback : -> Void) : Nil
-    boxed_data = Box.box(callback)
+    boxed_data = ::Box.box(callback)
     @@box = boxed_data
     LibUI.color_button_on_changed(sender, ->(sender, data) do
-      data_as_callback = Box(typeof(callback)).unbox(data)
+      data_as_callback = ::Box(typeof(callback)).unbox(data)
       data_as_callback.call
     end, boxed_data)
   end
@@ -1306,19 +1292,19 @@ module UIng
   end
 
   def self.table_on_row_clicked(sender, &callback : LibC::Int -> Void) : Nil
-    boxed_data = Box.box(callback)
+    boxed_data = ::Box.box(callback)
     @@box = boxed_data
     LibUI.table_on_row_clicked(sender, ->(sender, row, data) do
-      data_as_callback = Box(typeof(callback)).unbox(data)
+      data_as_callback = ::Box(typeof(callback)).unbox(data)
       data_as_callback.call(row)
     end, boxed_data)
   end
 
   def self.table_on_row_double_clicked(sender, &callback : LibC::Int -> Void) : Nil
-    boxed_data = Box.box(callback)
+    boxed_data = ::Box.box(callback)
     @@box = boxed_data
     LibUI.table_on_row_double_clicked(sender, ->(sender, row, data) do
-      data_as_callback = Box(typeof(callback)).unbox(data)
+      data_as_callback = ::Box(typeof(callback)).unbox(data)
       data_as_callback.call(row)
     end, boxed_data)
   end
@@ -1332,10 +1318,10 @@ module UIng
   end
 
   def self.table_header_on_clicked(sender, &callback : LibC::Int -> Void) : Nil
-    boxed_data = Box.box(callback)
+    boxed_data = ::Box.box(callback)
     @@box = boxed_data
     LibUI.table_header_on_clicked(sender, ->(sender, column, data) do
-      data_as_callback = Box(typeof(callback)).unbox(data)
+      data_as_callback = ::Box(typeof(callback)).unbox(data)
       data_as_callback.call(column)
     end, boxed_data)
   end
@@ -1357,10 +1343,10 @@ module UIng
   end
 
   def self.table_on_selection_changed(sender, &callback : -> Void) : Nil
-    boxed_data = Box.box(callback)
+    boxed_data = ::Box.box(callback)
     @@box = boxed_data
     LibUI.table_on_selection_changed(sender, ->(sender, data) do
-      data_as_callback = Box(typeof(callback)).unbox(data)
+      data_as_callback = ::Box(typeof(callback)).unbox(data)
       data_as_callback.call
     end, boxed_data)
   end
diff --git a/src/uing/area.cr b/src/uing/area.cr
new file mode 100644
index 0000000..22ad05a
--- /dev/null
+++ b/src/uing/area.cr
@@ -0,0 +1,16 @@
+module UIng
+  class Area
+    def initialize(@ref_ptr : Pointer(LibUI::Area))
+    end
+
+    def initialize
+      @ref_ptr = LibUI.new_area
+    end
+
+    forward_missing_to(@ref_ptr)
+
+    def to_unsafe
+      @ref_ptr
+    end
+  end
+end
diff --git a/src/uing/attribute.cr b/src/uing/attribute.cr
new file mode 100644
index 0000000..f28279a
--- /dev/null
+++ b/src/uing/attribute.cr
@@ -0,0 +1,16 @@
+module UIng
+  class Attribute
+    def initialize(@ref_ptr : Pointer(LibUI::Attribute))
+    end
+
+    def initialize
+      @ref_ptr = LibUI.new_attribute
+    end
+
+    forward_missing_to(@ref_ptr)
+
+    def to_unsafe
+      @ref_ptr
+    end
+  end
+end
diff --git a/src/uing/attributed_string.cr b/src/uing/attributed_string.cr
new file mode 100644
index 0000000..a44865c
--- /dev/null
+++ b/src/uing/attributed_string.cr
@@ -0,0 +1,16 @@
+module UIng
+  class AttributedString
+    def initialize(@ref_ptr : Pointer(LibUI::AttributedString))
+    end
+
+    def initialize
+      @ref_ptr = LibUI.new_attributed_string
+    end
+
+    forward_missing_to(@ref_ptr)
+
+    def to_unsafe
+      @ref_ptr
+    end
+  end
+end
diff --git a/src/uing/box.cr b/src/uing/box.cr
new file mode 100644
index 0000000..064e0ad
--- /dev/null
+++ b/src/uing/box.cr
@@ -0,0 +1,17 @@
+module UIng
+  # Note: The name Box is already taken by Crystal's built-in class Box.
+  class Box
+    def initialize(@ref_ptr : Pointer(LibUI::Box))
+    end
+
+    def initialize
+      @ref_ptr = LibUI.new_box
+    end
+
+    forward_missing_to(@ref_ptr)
+
+    def to_unsafe
+      @ref_ptr
+    end
+  end
+end
diff --git a/src/uing/button.cr b/src/uing/button.cr
new file mode 100644
index 0000000..6dba078
--- /dev/null
+++ b/src/uing/button.cr
@@ -0,0 +1,16 @@
+module UIng
+  class Button
+    def initialize(@ref_ptr : Pointer(LibUI::Button))
+    end
+
+    def initialize
+      @ref_ptr = LibUI.new_button
+    end
+
+    forward_missing_to(@ref_ptr)
+
+    def to_unsafe
+      @ref_ptr
+    end
+  end
+end
diff --git a/src/uing/checkbox.cr b/src/uing/checkbox.cr
new file mode 100644
index 0000000..8824939
--- /dev/null
+++ b/src/uing/checkbox.cr
@@ -0,0 +1,16 @@
+module UIng
+  class Checkbox
+    def initialize(@ref_ptr : Pointer(LibUI::Checkbox))
+    end
+
+    def initialize
+      @ref_ptr = LibUI.new_checkbox
+    end
+
+    forward_missing_to(@ref_ptr)
+
+    def to_unsafe
+      @ref_ptr
+    end
+  end
+end
diff --git a/src/uing/color_button.cr b/src/uing/color_button.cr
new file mode 100644
index 0000000..dd23f9c
--- /dev/null
+++ b/src/uing/color_button.cr
@@ -0,0 +1,16 @@
+module UIng
+  class ColorButton
+    def initialize(@ref_ptr : Pointer(LibUI::ColorButton))
+    end
+
+    def initialize
+      @ref_ptr = LibUI.new_color_button
+    end
+
+    forward_missing_to(@ref_ptr)
+
+    def to_unsafe
+      @ref_ptr
+    end
+  end
+end
diff --git a/src/uing/combobox.cr b/src/uing/combobox.cr
new file mode 100644
index 0000000..01534fd
--- /dev/null
+++ b/src/uing/combobox.cr
@@ -0,0 +1,16 @@
+module UIng
+  class Combobox
+    def initialize(@ref_ptr : Pointer(LibUI::Combobox))
+    end
+
+    def initialize
+      @ref_ptr = LibUI.new_combobox
+    end
+
+    forward_missing_to(@ref_ptr)
+
+    def to_unsafe
+      @ref_ptr
+    end
+  end
+end
diff --git a/src/uing/date_time_picker.cr b/src/uing/date_time_picker.cr
new file mode 100644
index 0000000..0b84351
--- /dev/null
+++ b/src/uing/date_time_picker.cr
@@ -0,0 +1,16 @@
+module UIng
+  class DateTimePicker
+    def initialize(@ref_ptr : Pointer(LibUI::DateTimePicker))
+    end
+
+    def initialize
+      @ref_ptr = LibUI.new_date_time_picker
+    end
+
+    forward_missing_to(@ref_ptr)
+
+    def to_unsafe
+      @ref_ptr
+    end
+  end
+end
diff --git a/src/uing/draw_context.cr b/src/uing/draw_context.cr
new file mode 100644
index 0000000..b8d2b7f
--- /dev/null
+++ b/src/uing/draw_context.cr
@@ -0,0 +1,16 @@
+module UIng
+  class DrawContext
+    def initialize(@ref_ptr : Pointer(LibUI::DrawContext))
+    end
+
+    def initialize
+      @ref_ptr = LibUI.new_draw_context
+    end
+
+    forward_missing_to(@ref_ptr)
+
+    def to_unsafe
+      @ref_ptr
+    end
+  end
+end
diff --git a/src/uing/draw_path.cr b/src/uing/draw_path.cr
new file mode 100644
index 0000000..e62072a
--- /dev/null
+++ b/src/uing/draw_path.cr
@@ -0,0 +1,16 @@
+module UIng
+  class DrawPath
+    def initialize(@ref_ptr : Pointer(LibUI::DrawPath))
+    end
+
+    def initialize
+      @ref_ptr = LibUI.new_draw_path
+    end
+
+    forward_missing_to(@ref_ptr)
+
+    def to_unsafe
+      @ref_ptr
+    end
+  end
+end
diff --git a/src/uing/draw_text_layout.cr b/src/uing/draw_text_layout.cr
new file mode 100644
index 0000000..9f1b22a
--- /dev/null
+++ b/src/uing/draw_text_layout.cr
@@ -0,0 +1,16 @@
+module UIng
+  class DrawTextLayout
+    def initialize(@ref_ptr : Pointer(LibUI::DrawTextLayout))
+    end
+
+    def initialize
+      @ref_ptr = LibUI.new_draw_text_layout
+    end
+
+    forward_missing_to(@ref_ptr)
+
+    def to_unsafe
+      @ref_ptr
+    end
+  end
+end
diff --git a/src/uing/editable_combobox.cr b/src/uing/editable_combobox.cr
new file mode 100644
index 0000000..54709e4
--- /dev/null
+++ b/src/uing/editable_combobox.cr
@@ -0,0 +1,16 @@
+module UIng
+  class EditableCombobox
+    def initialize(@ref_ptr : Pointer(LibUI::EditableCombobox))
+    end
+
+    def initialize
+      @ref_ptr = LibUI.new_editable_combobox
+    end
+
+    forward_missing_to(@ref_ptr)
+
+    def to_unsafe
+      @ref_ptr
+    end
+  end
+end
diff --git a/src/uing/entry.cr b/src/uing/entry.cr
new file mode 100644
index 0000000..36e5ea2
--- /dev/null
+++ b/src/uing/entry.cr
@@ -0,0 +1,16 @@
+module UIng
+  class Entry
+    def initialize(@ref_ptr : Pointer(LibUI::Entry))
+    end
+
+    def initialize
+      @ref_ptr = LibUI.new_entry
+    end
+
+    forward_missing_to(@ref_ptr)
+
+    def to_unsafe
+      @ref_ptr
+    end
+  end
+end
diff --git a/src/uing/font_button.cr b/src/uing/font_button.cr
new file mode 100644
index 0000000..bc37bdb
--- /dev/null
+++ b/src/uing/font_button.cr
@@ -0,0 +1,16 @@
+module UIng
+  class FontButton
+    def initialize(@ref_ptr : Pointer(LibUI::FontButton))
+    end
+
+    def initialize
+      @ref_ptr = LibUI.new_font_button
+    end
+
+    forward_missing_to(@ref_ptr)
+
+    def to_unsafe
+      @ref_ptr
+    end
+  end
+end
diff --git a/src/uing/form.cr b/src/uing/form.cr
new file mode 100644
index 0000000..3bdf6c3
--- /dev/null
+++ b/src/uing/form.cr
@@ -0,0 +1,16 @@
+module UIng
+  class Form
+    def initialize(@ref_ptr : Pointer(LibUI::Form))
+    end
+
+    def initialize
+      @ref_ptr = LibUI.new_form
+    end
+
+    forward_missing_to(@ref_ptr)
+
+    def to_unsafe
+      @ref_ptr
+    end
+  end
+end
diff --git a/src/uing/grid.cr b/src/uing/grid.cr
new file mode 100644
index 0000000..6b5e668
--- /dev/null
+++ b/src/uing/grid.cr
@@ -0,0 +1,16 @@
+module UIng
+  class Grid
+    def initialize(@ref_ptr : Pointer(LibUI::Grid))
+    end
+
+    def initialize
+      @ref_ptr = LibUI.new_grid
+    end
+
+    forward_missing_to(@ref_ptr)
+
+    def to_unsafe
+      @ref_ptr
+    end
+  end
+end
diff --git a/src/uing/group.cr b/src/uing/group.cr
new file mode 100644
index 0000000..433a561
--- /dev/null
+++ b/src/uing/group.cr
@@ -0,0 +1,16 @@
+module UIng
+  class Group
+    def initialize(@ref_ptr : Pointer(LibUI::Group))
+    end
+
+    def initialize
+      @ref_ptr = LibUI.new_group
+    end
+
+    forward_missing_to(@ref_ptr)
+
+    def to_unsafe
+      @ref_ptr
+    end
+  end
+end
diff --git a/src/uing/image.cr b/src/uing/image.cr
new file mode 100644
index 0000000..43d4caa
--- /dev/null
+++ b/src/uing/image.cr
@@ -0,0 +1,16 @@
+module UIng
+  class Image
+    def initialize(@ref_ptr : Pointer(LibUI::Image))
+    end
+
+    def initialize
+      @ref_ptr = LibUI.new_image
+    end
+
+    forward_missing_to(@ref_ptr)
+
+    def to_unsafe
+      @ref_ptr
+    end
+  end
+end
diff --git a/src/uing/label.cr b/src/uing/label.cr
new file mode 100644
index 0000000..0019cd2
--- /dev/null
+++ b/src/uing/label.cr
@@ -0,0 +1,16 @@
+module UIng
+  class Label
+    def initialize(@ref_ptr : Pointer(LibUI::Label))
+    end
+
+    def initialize
+      @ref_ptr = LibUI.new_label
+    end
+
+    forward_missing_to(@ref_ptr)
+
+    def to_unsafe
+      @ref_ptr
+    end
+  end
+end
diff --git a/src/uing/menu.cr b/src/uing/menu.cr
new file mode 100644
index 0000000..95c92c1
--- /dev/null
+++ b/src/uing/menu.cr
@@ -0,0 +1,16 @@
+module UIng
+  class Menu
+    def initialize(@ref_ptr : Pointer(LibUI::Menu))
+    end
+
+    def initialize
+      @ref_ptr = LibUI.new_menu
+    end
+
+    forward_missing_to(@ref_ptr)
+
+    def to_unsafe
+      @ref_ptr
+    end
+  end
+end
diff --git a/src/uing/menu_item.cr b/src/uing/menu_item.cr
new file mode 100644
index 0000000..3e7fc2f
--- /dev/null
+++ b/src/uing/menu_item.cr
@@ -0,0 +1,16 @@
+module UIng
+  class MenuItem
+    def initialize(@ref_ptr : Pointer(LibUI::MenuItem))
+    end
+
+    def initialize
+      @ref_ptr = LibUI.new_menu_item
+    end
+
+    forward_missing_to(@ref_ptr)
+
+    def to_unsafe
+      @ref_ptr
+    end
+  end
+end
diff --git a/src/uing/multiline_entry.cr b/src/uing/multiline_entry.cr
new file mode 100644
index 0000000..c5ec63c
--- /dev/null
+++ b/src/uing/multiline_entry.cr
@@ -0,0 +1,16 @@
+module UIng
+  class MultilineEntry
+    def initialize(@ref_ptr : Pointer(LibUI::MultilineEntry))
+    end
+
+    def initialize
+      @ref_ptr = LibUI.new_multiline_entry
+    end
+
+    forward_missing_to(@ref_ptr)
+
+    def to_unsafe
+      @ref_ptr
+    end
+  end
+end
diff --git a/src/uing/open_type_features.cr b/src/uing/open_type_features.cr
new file mode 100644
index 0000000..d5fb4d6
--- /dev/null
+++ b/src/uing/open_type_features.cr
@@ -0,0 +1,16 @@
+module UIng
+  class OpenTypeFeatures
+    def initialize(@ref_ptr : Pointer(LibUI::OpenTypeFeatures))
+    end
+
+    def initialize
+      @ref_ptr = LibUI.new_open_type_features
+    end
+
+    forward_missing_to(@ref_ptr)
+
+    def to_unsafe
+      @ref_ptr
+    end
+  end
+end
diff --git a/src/uing/progress_bar.cr b/src/uing/progress_bar.cr
new file mode 100644
index 0000000..e117a1f
--- /dev/null
+++ b/src/uing/progress_bar.cr
@@ -0,0 +1,16 @@
+module UIng
+  class ProgressBar
+    def initialize(@ref_ptr : Pointer(LibUI::ProgressBar))
+    end
+
+    def initialize
+      @ref_ptr = LibUI.new_progress_bar
+    end
+
+    forward_missing_to(@ref_ptr)
+
+    def to_unsafe
+      @ref_ptr
+    end
+  end
+end
diff --git a/src/uing/radio_buttons.cr b/src/uing/radio_buttons.cr
new file mode 100644
index 0000000..9312a41
--- /dev/null
+++ b/src/uing/radio_buttons.cr
@@ -0,0 +1,16 @@
+module UIng
+  class RadioButtons
+    def initialize(@ref_ptr : Pointer(LibUI::RadioButtons))
+    end
+
+    def initialize
+      @ref_ptr = LibUI.new_radio_buttons
+    end
+
+    forward_missing_to(@ref_ptr)
+
+    def to_unsafe
+      @ref_ptr
+    end
+  end
+end
diff --git a/src/uing/separator.cr b/src/uing/separator.cr
new file mode 100644
index 0000000..6bddc00
--- /dev/null
+++ b/src/uing/separator.cr
@@ -0,0 +1,16 @@
+module UIng
+  class Separator
+    def initialize(@ref_ptr : Pointer(LibUI::Separator))
+    end
+
+    def initialize
+      @ref_ptr = LibUI.new_separator
+    end
+
+    forward_missing_to(@ref_ptr)
+
+    def to_unsafe
+      @ref_ptr
+    end
+  end
+end
diff --git a/src/uing/slider.cr b/src/uing/slider.cr
new file mode 100644
index 0000000..3472cde
--- /dev/null
+++ b/src/uing/slider.cr
@@ -0,0 +1,16 @@
+module UIng
+  class Slider
+    def initialize(@ref_ptr : Pointer(LibUI::Slider))
+    end
+
+    def initialize
+      @ref_ptr = LibUI.new_slider
+    end
+
+    forward_missing_to(@ref_ptr)
+
+    def to_unsafe
+      @ref_ptr
+    end
+  end
+end
diff --git a/src/uing/spinbox.cr b/src/uing/spinbox.cr
new file mode 100644
index 0000000..e00addb
--- /dev/null
+++ b/src/uing/spinbox.cr
@@ -0,0 +1,16 @@
+module UIng
+  class Spinbox
+    def initialize(@ref_ptr : Pointer(LibUI::Spinbox))
+    end
+
+    def initialize
+      @ref_ptr = LibUI.new_spinbox
+    end
+
+    forward_missing_to(@ref_ptr)
+
+    def to_unsafe
+      @ref_ptr
+    end
+  end
+end
diff --git a/src/uing/tab.cr b/src/uing/tab.cr
new file mode 100644
index 0000000..d43ae23
--- /dev/null
+++ b/src/uing/tab.cr
@@ -0,0 +1,16 @@
+module UIng
+  class Tab
+    def initialize(@ref_ptr : Pointer(LibUI::Tab))
+    end
+
+    def initialize
+      @ref_ptr = LibUI.new_tab
+    end
+
+    forward_missing_to(@ref_ptr)
+
+    def to_unsafe
+      @ref_ptr
+    end
+  end
+end
diff --git a/src/uing/table.cr b/src/uing/table.cr
new file mode 100644
index 0000000..e9d57ba
--- /dev/null
+++ b/src/uing/table.cr
@@ -0,0 +1,16 @@
+module UIng
+  class Table
+    def initialize(@ref_ptr : Pointer(LibUI::Table))
+    end
+
+    def initialize
+      @ref_ptr = LibUI.new_table
+    end
+
+    forward_missing_to(@ref_ptr)
+
+    def to_unsafe
+      @ref_ptr
+    end
+  end
+end
diff --git a/src/uing/table_model.cr b/src/uing/table_model.cr
new file mode 100644
index 0000000..17f05aa
--- /dev/null
+++ b/src/uing/table_model.cr
@@ -0,0 +1,16 @@
+module UIng
+  class TableModel
+    def initialize(@ref_ptr : Pointer(LibUI::TableModel))
+    end
+
+    def initialize
+      @ref_ptr = LibUI.new_table_model
+    end
+
+    forward_missing_to(@ref_ptr)
+
+    def to_unsafe
+      @ref_ptr
+    end
+  end
+end
diff --git a/src/uing/table_value.cr b/src/uing/table_value.cr
new file mode 100644
index 0000000..78d58ef
--- /dev/null
+++ b/src/uing/table_value.cr
@@ -0,0 +1,16 @@
+module UIng
+  class TableValue
+    def initialize(@ref_ptr : Pointer(LibUI::TableValue))
+    end
+
+    def initialize
+      @ref_ptr = LibUI.new_table_value
+    end
+
+    forward_missing_to(@ref_ptr)
+
+    def to_unsafe
+      @ref_ptr
+    end
+  end
+end
diff --git a/src/uing/window.cr b/src/uing/window.cr
new file mode 100644
index 0000000..74a655f
--- /dev/null
+++ b/src/uing/window.cr
@@ -0,0 +1,16 @@
+module UIng
+  class Window
+    def initialize(@ref_ptr : Pointer(LibUI::Window))
+    end
+
+    def initialize
+      @ref_ptr = LibUI.new_window
+    end
+
+    forward_missing_to(@ref_ptr)
+
+    def to_unsafe
+      @ref_ptr
+    end
+  end
+end