collapsible_panel.h

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#pragma once
#include "control.h"
#include "border_sides.h"
#include "border_style.h"

namespace xtd {
  namespace forms {
    class forms_export_ collapsible_panel : public control {
      struct data;
      
    public:
      
      collapsible_panel();
      
      
      virtual bool auto_size() const noexcept override;
      
      virtual forms::border_sides border_sides() const noexcept;
      virtual collapsible_panel& border_sides(forms::border_sides border_sides);
      
      virtual forms::border_style border_style() const noexcept;
      virtual collapsible_panel& border_style(forms::border_style border_style);
      
      bool expanded() const noexcept;
      collapsible_panel& expanded(bool expanded);
      
      const xtd::drawing::size& client_size() const noexcept override;
      xtd::drawing::size size() const noexcept override;
      
      
      void collapse();
      
      using control::create;
      static collapsible_panel create(const xtd::ustring& text, bool expanded = false, const drawing::point& location = {-1, -1}, const drawing::size& size = {-1, -1}, const xtd::ustring& name = xtd::ustring::empty_string);
      static collapsible_panel create(const control& parent, const xtd::ustring& text, bool expanded = false, const drawing::point& location = {-1, -1}, const drawing::size& size = {-1, -1}, const xtd::ustring& name = xtd::ustring::empty_string);
      
      void expand();
      
      
      xtd::event<collapsible_panel, xtd::event_handler> expanded_changed;
      
    protected:
      
      forms::create_params create_params() const noexcept override;
      
      
      drawing::size measure_control() const noexcept override;
      
      void on_control_added(const control_event_args& e) override;
      void on_control_removed(const control_event_args& e) override;
      
      virtual void on_expanded_changed(const xtd::event_args& e);
      
      void on_handle_created(const event_args& e) override;
      
      void wnd_proc(message& message) override;
      
    private:
      control& auto_size(bool auto_size) override;
      control& client_size(const xtd::drawing::size& client_size) override;
      control& size(const xtd::drawing::size& size) override;
      void wm_command_control(message& message);
      
      std::shared_ptr<data> data_;
    };
  }
}