本文整理汇总了C#中System.Web.Hosting.VirtualDirectory类的典型用法代码示例。如果您正苦于以下问题：C# VirtualDirectory类的具体用法？C# VirtualDirectory怎么用？C# VirtualDirectory使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
VirtualDirectory类属于System.Web.Hosting命名空间，在下文中一共展示了VirtualDirectory类的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: SampleVirtualDirectory
//引入命名空间
using System;
using System.Collections;
using System.Data;
using System.Security.Permissions;
using System.Web;
using System.Web.Hosting;
namespace Samples.AspNet.CS
{
[AspNetHostingPermission(SecurityAction.Demand, Level = AspNetHostingPermissionLevel.Minimal)]
[AspNetHostingPermission(SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
public class SampleVirtualDirectory : VirtualDirectory
{
SamplePathProvider spp;
private bool exists;
public bool Exists
{
get { return exists; }
}
public SampleVirtualDirectory(string virtualDir, SamplePathProvider provider)
: base(virtualDir)
{
spp = provider;
GetData();
}
protected void GetData()
{
DataSet ds = spp.GetVirtualData();
// Clean up the path to match data in resource file.
string path = VirtualPath.Replace(HostingEnvironment.ApplicationVirtualPath, "");
path = path.TrimEnd('/');
// Get the virtual directory from the resource table.
DataTable dirs = ds.Tables["resource"];
DataRow[] rows = dirs.Select(
String.Format("(name = '{0}') AND (type='dir')", path));
// If the select returned a row, the directory exists.
if (rows.Length > 0)
{
exists = true;
// Get children from the resource table.
// This technique works for small numbers of virtual resources.
// Sites with moderate to large numbers of virtual
// resources should choose a method that consumes fewer
// computer resources.
DataRow[] childRows = dirs.Select(
String.Format("parentPath = '{0}'", path));
foreach (DataRow childRow in childRows)
{
string childPath = (string)childRow["path"];
if (childRow["type"].ToString() == "dir")
{
SampleVirtualDirectory svd = new SampleVirtualDirectory(childPath, spp);
children.Add(svd);
directories.Add(svd);
}
else
{
SampleVirtualFile svf = new SampleVirtualFile(childPath, spp);
children.Add(svf);
files.Add(svf);
}
}
}
}
private ArrayList children = new ArrayList();
public override IEnumerable Children
{
get { return children; }
}
private ArrayList directories = new ArrayList();
public override IEnumerable Directories
{
get { return directories; }
}
private ArrayList files = new ArrayList();
public override IEnumerable Files
{
get { return files; }
}
}
}