public bool DoOperation()
{
ShellApi.SHFILEOPSTRUCT FileOpStruct = new ShellApi.SHFILEOPSTRUCT();
FileOpStruct.hwnd = OwnerWindow;
FileOpStruct.wFunc = (uint)Operation;
String multiSource = StringArrayToMultiString(SourceFiles);
String multiDest = StringArrayToMultiString(DestFiles);
FileOpStruct.pFrom = Marshal.StringToHGlobalUni(multiSource);
FileOpStruct.pTo = Marshal.StringToHGlobalUni(multiDest);
FileOpStruct.fFlags = (ushort)OperationFlags;
FileOpStruct.lpszProgressTitle = ProgressTitle;
FileOpStruct.fAnyOperationsAborted = 0;
FileOpStruct.hNameMappings = IntPtr.Zero;
this.NameMappings = new ShellNameMapping[0];
int RetVal;
RetVal = ShellApi.SHFileOperation(ref FileOpStruct);
ShellApi.SHChangeNotify(
(uint)ShellChangeNotificationEvents.SHCNE_ALLEVENTS,
(uint)ShellChangeNotificationFlags.SHCNF_DWORD,
IntPtr.Zero,
IntPtr.Zero);
if (RetVal != 0)
{
throw new Exception("File Operation Failed : Errno " + RetVal);
}
if (FileOpStruct.fAnyOperationsAborted != 0)
{
return(false);
}
// Newly added on 2007/08/29 to make hNameMappings work
if (FileOpStruct.hNameMappings != IntPtr.Zero)
{
// Get MappingTable
ShellApi.SHNAMEMAPPINGINDEXSTRUCT mappingIndex = (ShellApi.SHNAMEMAPPINGINDEXSTRUCT)Marshal.PtrToStructure(
FileOpStruct.hNameMappings,
typeof(ShellApi.SHNAMEMAPPINGINDEXSTRUCT));
// Prepare array
this.NameMappings = new ShellNameMapping[mappingIndex.counter];
// Set pointer to first mapping struct
IntPtr mover = mappingIndex.firstMappingStruct;
for (int i = 0; i < mappingIndex.counter; i++)
{
ShellApi.SHNAMEMAPPINGSTRUCT oneNameMappingStruct =
(ShellApi.SHNAMEMAPPINGSTRUCT)Marshal.PtrToStructure(mover, typeof(ShellApi.SHNAMEMAPPINGSTRUCT));
this.NameMappings[i] = new ShellNameMapping(oneNameMappingStruct.pszOldPath, oneNameMappingStruct.pszNewPath);
// move pointer to the next mapping struct
mover = (IntPtr)((int)mover + Marshal.SizeOf(typeof(ShellApi.SHNAMEMAPPINGSTRUCT)));
}
// Free NameMappings in memory
ShellApi.SHFreeNameMappings(FileOpStruct.hNameMappings);
}
return(true);
}