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added TemporaryFile class.

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This commit is contained in:
morkt 2014-07-25 07:01:17 +04:00
parent 050a835264
commit 4ae83309ad
1 changed files with 61 additions and 42 deletions
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101
Shell.cs
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@ -24,35 +24,79 @@
//
using System;
using System.Text;
using System.IO;
//using System.Text;
using System.Runtime.InteropServices;
namespace Rnd.Shell
namespace GARbro.Shell
{
/// <summary>
/// Wrapper around PathCreateFromUrl WINAPI call.
/// Wrapper around MoveFileEx WINAPI call.
/// </summary>
class PathConverter
class File
{
[DllImport("shlwapi.dll", EntryPoint="PathCreateFromUrlW", CharSet=CharSet.Unicode, SetLastError=true)]
private static extern Int32 PathCreateFromUrl(
string url, StringBuilder path,
ref Int32 size, UInt32 flags);
[DllImport("kernel32.dll", EntryPoint="MoveFileExW", SetLastError=true, CharSet=CharSet.Unicode)]
public static extern bool MoveFileEx (string lpExistingFileName, string lpNewFileName, MoveFileFlags dwFlags);
private StringBuilder buf;
private Int32 size;
[Flags]
public enum MoveFileFlags : uint
{
ReplaceExisting = 0x00000001,
CopyAllowed = 0x00000002,
DelayUntilReboot = 0x00000004,
WriteThrough = 0x00000008,
CreateHardlink = 0x00000010,
FailIfNotTrackable = 0x00000020
}
public PathConverter (int capacity = 260)
public static bool Rename (string szFrom, string szTo)
{
buf = new StringBuilder (capacity);
return MoveFileEx (szFrom, szTo, MoveFileFlags.ReplaceExisting);
}
public string UrlToPath (string url)
}
public class TemporaryFile : IDisposable
{
size = buf.Capacity;
Int32 rc = PathCreateFromUrl (url, buf, ref size, 0);
return rc == 0 ? buf.ToString (0, size) : "";
private string m_name;
public string Name { get { return m_name; } }
public TemporaryFile ()
{
m_name = Path.GetRandomFileName();
}
public TemporaryFile (string filename)
{
m_name = filename;
}
public TemporaryFile (string path, string filename)
{
m_name = Path.Combine (path, filename);
}
#region IDisposable Members
bool disposed = false;
public void Dispose ()
{
Dispose (true);
GC.SuppressFinalize (this);
}
protected virtual void Dispose (bool disposing)
{
if (!disposed)
{
if (disposing)
{
System.IO.File.Delete (m_name);
}
disposed = true;
}
}
#endregion
};
/// <summary>
/// Wrapper around SHGetFileInfo WINAPI call.
@ -154,29 +198,4 @@ namespace Rnd.Shell
return result != 0? new Nullable<SHFILEINFO> (info): null;
}
}
/// <summary>
/// Wrapper around MoveFileEx WINAPI call.
/// </summary>
class File
{
[DllImport("kernel32.dll", EntryPoint="MoveFileExW", SetLastError=true, CharSet=CharSet.Unicode)]
public static extern bool MoveFileEx (string lpExistingFileName, string lpNewFileName, MoveFileFlags dwFlags);
[Flags]
public enum MoveFileFlags : uint
{
ReplaceExisting = 0x00000001,
CopyAllowed = 0x00000002,
DelayUntilReboot = 0x00000004,
WriteThrough = 0x00000008,
CreateHardlink = 0x00000010,
FailIfNotTrackable = 0x00000020
}
public static bool Rename (string szFrom, string szTo)
{
return MoveFileEx (szFrom, szTo, MoveFileFlags.ReplaceExisting);
}
}
}