| Код |
public partial class FileListView : ListView
{
private FileSystemInfo[] m_FSInfo;
public FileListView()
{
InitializeComponent();
InitFileList();
}
private void InitFileList()
{
this.Dock = System.Windows.Forms.DockStyle.Fill;
this.Location = new System.Drawing.Point(3, 3);
this.Name = "FileListView";
this.Size = new System.Drawing.Size(248, 202);
this.TabIndex = 0;
this.UseCompatibleStateImageBehavior = false;
this.View = System.Windows.Forms.View.Details;
this.VirtualMode = true;
this.DoubleBuffered = true;
this.Columns.Add("Name", 200);
this.Columns.Add("Type", 50);
this.Columns.Add("Size", 50);
this.Columns.Add("Attributes", 50);
GetLocalFiles("c:\\windows\\system32\\");
}
protected override void OnRetrieveVirtualItem(RetrieveVirtualItemEventArgs e)
{
base.OnRetrieveVirtualItem(e);
ListViewItem itm = new ListViewItem(m_FSInfo[e.ItemIndex].Name);
itm.SubItems.Add(m_FSInfo[e.ItemIndex].Extension);
itm.SubItems.Add("Test1");
itm.SubItems.Add("Test2");
e.Item = itm;
}
private int GetLocalFiles(string sLocalPath)
{
DirectoryInfo dInfo = new DirectoryInfo(sLocalPath);
m_FSInfo = dInfo.GetFileSystemInfos();
this.VirtualListSize = m_FSInfo.Length;
return this.VirtualListSize;
}
}
|
С двумя колонками работает а после создания еще нескольких выдает ошибку:
when in VirtualMode the ListView RetrieveVirtualListItem events needs a list view SubItem for each ListView column. |