public override void SetLength(long value)
{
container.PreCheck();
// don't worry about quota if we can't write to the stream,
// the base class will throw the expected NotSupportedException
if (!base.CanWrite)
{
return;
}
// will that request put us in a position to grow *or shrink* the file ?
// note: this can be negative, e.g. calling SetLength(0), so we can't call EnsureQuotaLimits directly
if (!IsolatedStorage.CanExtend(value - Length))
{
throw new IsolatedStorageException("Requested size is larger than remaining quota allowance.");
}
base.SetLength(value);
}
private void EnsureQuotaLimits(long request)
{
// don't worry about quota if we can't write to the stream,
// the base class will throw the expected NotSupportedException
if (!base.CanWrite)
{
return;
}
// will that request put us in a position to grow the file ?
long grow = Position + request - Length;
if (grow < 0)
{
return;
}
if (!IsolatedStorage.CanExtend(grow))
{
throw new IsolatedStorageException("Requested size is larger than remaining quota allowance.");
}
}
public bool MoveNext()
{
IsolatedStorageFile isf;
IsolatedStorageScope scope;
bool fApp;
TwoPaths tp;
Stream app, assem;
String appName, assemName;
m_fiop.Assert();
m_fReset = false;
do
{
if (m_fileEnum.MoveNext() == false)
{
m_fEnd = true;
break;
}
// Create the store
isf = new IsolatedStorageFile();
tp = (TwoPaths)m_fileEnum.Current;
fApp = false;
#if _DEBUG
if (s_fDebug)
{
Console.Write(tp.Path1 + " ");
Console.WriteLine(tp.Path2);
}
#endif
if (IsolatedStorageFile.NotAssemFilesDir(tp.Path2))
{
fApp = true;
}
// Create Roaming Store
app = null;
assem = null;
if (fApp)
{
if (!GetIDStream(tp.Path1, out app))
{
continue;
}
if (!GetIDStream(tp.Path1 + s_SepExternal + tp.Path2,
out assem))
{
continue;
}
app.Position = 0;
if (IsolatedStorage.IsRoaming(m_Scope))
{
scope = IsolatedStorage.c_AppRoaming;
}
else
{
scope = IsolatedStorage.c_App;
}
appName = tp.Path1;
assemName = tp.Path2;
}
else
{
if (!GetIDStream(tp.Path1, out assem))
{
continue;
}
if (IsolatedStorage.IsRoaming(m_Scope))
{
scope = IsolatedStorage.c_AssemblyRoaming;
}
else
{
scope = IsolatedStorage.c_Assembly;
}
appName = null;
assemName = tp.Path1;
}
assem.Position = 0;
if (!isf.InitStore(scope, app, assem, appName, assemName))
{
continue;
}
if (!isf.InitExistingStore(scope))
{
continue;
}
m_Current = isf;
return(true);
} while (true);
return(false);
}
public void Remove()
{
PreCheck();
IsolatedStorage.Remove(basedir);
removed = true;
}
public bool MoveNext()
{
this.m_fiop.Assert();
this.m_fReset = false;
while (this.m_fileEnum.MoveNext())
{
IsolatedStorageFile isolatedStorageFile = new IsolatedStorageFile();
TwoPaths twoPaths = (TwoPaths)this.m_fileEnum.Current;
bool flag = false;
if (IsolatedStorageFile.NotAssemFilesDir(twoPaths.Path2) && IsolatedStorageFile.NotAppFilesDir(twoPaths.Path2))
{
flag = true;
}
Stream stream = null;
Stream stream2 = null;
Stream stream3 = null;
IsolatedStorageScope scope;
string domainName;
string assemName;
string appName;
if (flag)
{
if (!this.GetIDStream(twoPaths.Path1, out stream) || !this.GetIDStream(twoPaths.Path1 + "\\" + twoPaths.Path2, out stream2))
{
continue;
}
stream.Position = 0L;
if (IsolatedStorage.IsRoaming(this.m_Scope))
{
scope = (IsolatedStorageScope.User | IsolatedStorageScope.Domain | IsolatedStorageScope.Assembly | IsolatedStorageScope.Roaming);
}
else if (IsolatedStorage.IsMachine(this.m_Scope))
{
scope = (IsolatedStorageScope.Domain | IsolatedStorageScope.Assembly | IsolatedStorageScope.Machine);
}
else
{
scope = (IsolatedStorageScope.User | IsolatedStorageScope.Domain | IsolatedStorageScope.Assembly);
}
domainName = twoPaths.Path1;
assemName = twoPaths.Path2;
appName = null;
}
else if (IsolatedStorageFile.NotAppFilesDir(twoPaths.Path2))
{
if (!this.GetIDStream(twoPaths.Path1, out stream2))
{
continue;
}
if (IsolatedStorage.IsRoaming(this.m_Scope))
{
scope = (IsolatedStorageScope.User | IsolatedStorageScope.Assembly | IsolatedStorageScope.Roaming);
}
else if (IsolatedStorage.IsMachine(this.m_Scope))
{
scope = (IsolatedStorageScope.Assembly | IsolatedStorageScope.Machine);
}
else
{
scope = (IsolatedStorageScope.User | IsolatedStorageScope.Assembly);
}
domainName = null;
assemName = twoPaths.Path1;
appName = null;
stream2.Position = 0L;
}
else
{
if (!this.GetIDStream(twoPaths.Path1, out stream3))
{
continue;
}
if (IsolatedStorage.IsRoaming(this.m_Scope))
{
scope = (IsolatedStorageScope.User | IsolatedStorageScope.Roaming | IsolatedStorageScope.Application);
}
else if (IsolatedStorage.IsMachine(this.m_Scope))
{
scope = (IsolatedStorageScope.Machine | IsolatedStorageScope.Application);
}
else
{
scope = (IsolatedStorageScope.User | IsolatedStorageScope.Application);
}
domainName = null;
assemName = null;
appName = twoPaths.Path1;
stream3.Position = 0L;
}
if (isolatedStorageFile.InitStore(scope, stream, stream2, stream3, domainName, assemName, appName) && isolatedStorageFile.InitExistingStore(scope))
{
this.m_Current = isolatedStorageFile;
return(true);
}
}
this.m_fEnd = true;
return(false);
}
