Source/Editors/DateTimeAdv/CalendarBase.cs

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#if FRAMEWORK20
using System;
using System.Text;
using DevComponents.DotNetBar;
using System.Drawing;
using System.ComponentModel;
using System.Drawing.Drawing2D;

namespace DevComponents.Editors.DateTimeAdv
{
    /// <summary>
    /// Represents base class for the CalendarMonth and MultiMonthCalendar controls. This class is used internally by DotNetBar and is not intended for public use.
    /// </summary>
    public class CalendarBase : ImageItem, IDesignTimeProvider
    {
        #region Private Variables
        private ElementStyle _BackgroundStyle = new ElementStyle();
        #endregion

        #region Events
        #endregion

        #region Constructor
        /// <summary>
        /// Initializes a new instance of the MultiMonthCalendar class.
        /// </summary>
        public CalendarBase()
        {
            m_IsContainer = true;
            this.AutoCollapseOnClick = true;
            this.AccessibleRole = System.Windows.Forms.AccessibleRole.Grouping;
            _BackgroundStyle.StyleChanged += new EventHandler(BackgroundStyleChanged);
        }
        #endregion

        #region Internal Implementation
        /// <summary>
        /// Must be overridden by class that is inheriting to provide the painting for the item.
        /// </summary>
        public override void Paint(ItemPaintArgs p)
        {
            Graphics g = p.Graphics;
            Region oldClip = null;
            bool clipSet = false;

            PaintBackground(p);

            Rectangle clip = GetClipRectangle();
            oldClip = g.Clip;
            g.SetClip(clip, CombineMode.Intersect);
            clipSet = true;

            ItemDisplay display = GetItemDisplay();
            display.Paint(this, p);

            if (clipSet)
            {
                if (oldClip != null)
                    g.Clip = oldClip;
                else