/// <summary>
/// 自定义ListView
/// </summary>
/// <param name="container"></param>
public ListImage(System.ComponentModel.IContainer container)
{
container.Add(this);
_largeImageList = null;
_smallImageList = null;
_captionImageList = null;
_captionImageIndex = -1;
_items = new ListImagetemCollection();
_selectedItem = null;
_selectedIndex = -1;
_items.InsertComplete += new TrasenClasses.GeneralControls.ListImagetemCollection.ItemChangedEventHandler(Items_InsertComplete);
_items.RemoveComplete += new TrasenClasses.GeneralControls.ListImagetemCollection.ItemChangedEventHandler(Items_RemoveComplete);
_items.ClearComplete += new EventHandler(Items_ClearComplete);
this.AutoScroll = true;
this.BackColor = SystemColors.Window;
_selectedBackColor = SystemColors.Window;
_selectedForeColor = SystemColors.WindowText;
_view = ViewMode.LargeIcon;
_captionText = "";
_captionBackColor = SystemColors.Control;
_captionForeColor = SystemColors.WindowText;
_captionFont = this.Font;
_captionVisible = false;
InitializeComponent();
}
/// <summary>
/// 向集合中插入指定项
/// </summary>
/// <param name="index"></param>
/// <param name="item"></param>
public void Insert(int index, ListImageItem item)
{
InnerList.Insert(index, item);
if (InsertComplete != null)
{
ItemChangedEventArgs e = new ItemChangedEventArgs(index, item);
InsertComplete(this, e);
}
}
/// <summary>
/// 从集合中移除指定项
/// </summary>
/// <param name="item">指定ListImageItem</param>
public void Remove(ListImageItem item)
{
if (RemoveComplete != null)
{
ItemChangedEventArgs e = new ItemChangedEventArgs(IndexOf(item), item);
RemoveComplete(this, e);
}
InnerList.Remove(item);
}
/// <summary>
/// 添加一TrasenClasses.GeneralControls.ListImageItem到集合中
/// </summary>
/// <param name="item"></param>
/// <returns></returns>
public int Add(ListImageItem item)
{
if (Contains(item))
{
return(-1);
}
int index = InnerList.Add(item);
if (InsertComplete != null)
{
ItemChangedEventArgs e = new ItemChangedEventArgs(index, item);
InsertComplete(this, e);
}
return(index);
}
/// <summary>
/// 设定选中后的样式
/// </summary>
/// <param name="selectIndex">要选取项目的索引</param>
private void SetSelectItem(int selectIndex)
{
for (int i = 0; i < _items.Count; i++)
{
if (i == selectIndex)
{
_items[i].BackColor = _selectedBackColor;
_items[i].ForeColor = _selectedForeColor;
_items[i].BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
_items[i].Selected = true;
_selectedItem = _items[i];
}
else
{
_items[i].BackColor = this.BackColor;
_items[i].BorderStyle = System.Windows.Forms.BorderStyle.None;
_items[i].Selected = false;
}
}
}
/// <summary>
/// 获取指定ListImageItem在集合中的索引
/// </summary>
/// <param name="item">指定ListImageItem</param>
/// <returns></returns>
public int IndexOf(ListImageItem item)
{
return(InnerList.IndexOf(item));
}
/// <summary>
/// 判断集合中是否包含指定ListImageItem
/// </summary>
/// <param name="item">指定ListImageItem</param>
/// <returns></returns>
public bool Contains(ListImageItem item)
{
return(InnerList.Contains(item));
}
/// <summary>
/// 构造一参数对象
/// </summary>
/// <param name="index"></param>
/// <param name="item"></param>
public ItemChangedEventArgs(int index, ListImageItem item)
{
_index = index;
_item = item;
}