Source/ImageItem.cs

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namespace DevComponents.DotNetBar
{
    using System;
    using System.Drawing;

    /// <summary>
    /// Adds neccessary functions to base item so it supports images properly.
    /// If your item implements images you should derive from this class instead of BaseItem
    /// </summary>
    [System.ComponentModel.ToolboxItem(false),System.ComponentModel.DesignTimeVisible(false)]
    public abstract class ImageItem:BaseItem
    {
		private System.Drawing.Size m_SubItemsImageSize;  // Biggest Image size for the sub items, they would access this property so they know how to draw themself
		private System.Drawing.Size m_ImageSize;
		internal static System.Drawing.Size _InitalImageSize=new System.Drawing.Size(16,16);
		/// <summary>
		/// Create new instance of ImageItem.
		/// </summary>
		public ImageItem():this("","") {}
		/// <summary>
		/// Create new instance of ImageItem and assigns the item name.
		/// </summary>
		/// <param name="sName">Item name.</param>
		public ImageItem(string sName):this(sName,"") {}
		/// <summary>
		/// Create new instance of ImageItem and assigns the item name and text.
		/// </summary>
		/// <param name="sName">Item name.</param>
		/// <param name="ItemText">Item text.</param>
        public ImageItem(string sName, string ItemText):base(sName, ItemText)
        {
			m_SubItemsImageSize=_InitalImageSize;
			m_ImageSize=_InitalImageSize;
        }

		[System.ComponentModel.Browsable(false),System.ComponentModel.DesignerSerializationVisibility(System.ComponentModel.DesignerSerializationVisibility.Hidden),System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
		public virtual System.Drawing.Size ImageSize
		{
			get
			{
				return m_ImageSize;
			}
			set
			{
				m_ImageSize=value;
			}
		}

		/// <summary>
		/// When parent items does recalc size for its sub-items it should query
		/// image size and store biggest image size into this property.
		/// </summary>
		[System.ComponentModel.Browsable(false),System.ComponentModel.DesignerSerializationVisibility(System.ComponentModel.DesignerSerializationVisibility.Hidden),System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
		public virtual System.Drawing.Size SubItemsImageSize
		{
			get
			{
				return m_SubItemsImageSize;
			}
			set
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