public override bool MoveNext()
{
Win32Native.WIN32_FIND_DATA data = new Win32Native.WIN32_FIND_DATA();
switch (base.state)
{
case 1:
if (!this.empty)
{
if (this.searchData.searchOption == SearchOption.TopDirectoryOnly)
{
base.state = 3;
if (base.current != null)
{
return(true);
}
goto Label_017A;
}
base.state = 2;
break;
}
base.state = 4;
goto Label_0250;
case 2:
break;
case 3:
goto Label_017A;
case 4:
goto Label_0250;
default:
goto Label_0256;
}
Label_015D:
while (this.searchStack.Count > 0)
{
this.searchData = this.searchStack[0];
this.searchStack.RemoveAt(0);
this.AddSearchableDirsToStack(this.searchData);
string fileName = this.searchData.fullPath + this.searchCriteria;
this._hnd = Win32Native.FindFirstFile(fileName, data);
if (this._hnd.IsInvalid)
{
int hr = Marshal.GetLastWin32Error();
switch (hr)
{
case 2:
case 0x12:
case 3:
{
continue;
}
}
this._hnd.Dispose();
this.HandleError(hr, this.searchData.fullPath);
}
base.state = 3;
this.needsParentPathDiscoveryDemand = true;
SearchResult result = this.CreateSearchResult(this.searchData, data);
if (!this._resultHandler.IsResultIncluded(result))
{
goto Label_017A;
}
if (this.needsParentPathDiscoveryDemand)
{
FileSystemEnumerableIterator <TSource> .DoDemand(this.searchData.fullPath);
this.needsParentPathDiscoveryDemand = false;
}
base.current = this._resultHandler.CreateObject(result);
return(true);
}
base.state = 4;
goto Label_0250;
Label_017A:
if ((this.searchData != null) && (this._hnd != null))
{
while (Win32Native.FindNextFile(this._hnd, data))
{
SearchResult result2 = this.CreateSearchResult(this.searchData, data);
if (this._resultHandler.IsResultIncluded(result2))
{
if (this.needsParentPathDiscoveryDemand)
{
FileSystemEnumerableIterator <TSource> .DoDemand(this.searchData.fullPath);
this.needsParentPathDiscoveryDemand = false;
}
base.current = this._resultHandler.CreateObject(result2);
return(true);
}
}
int num2 = Marshal.GetLastWin32Error();
if (this._hnd != null)
{
this._hnd.Dispose();
}
if (((num2 != 0) && (num2 != 0x12)) && (num2 != 2))
{
this.HandleError(num2, this.searchData.fullPath);
}
}
if (this.searchData.searchOption == SearchOption.TopDirectoryOnly)
{
base.state = 4;
}
else
{
base.state = 2;
goto Label_015D;
}
Label_0250:
base.Dispose();
Label_0256:
return(false);
}
