-- maybe the installation proccess need to check is folder writable, in case you re not admin
 
--for max 2010 below till max 9 , I think
fn isFolder folder: =
	(
		local state =  false  
		if (paths!=unsupplied and doesFileExist folder) do  
			(
				local netFile =  dotnetClass "System.IO.File"
				local fileAttr = netFile.GetAttributes folder
				local strArr = filterString (fileAttr.ToString()) ","	
				if (strArr.count!=0 ) do 
					(
						if ((stricmp strArr[1] "Directory")== 0) do (state=true )
					)
			)
		state
	)
 
	fn isWritableFolder folder: =  
	(
		local fail =false 
		local thePath =  dotnetClass "System.IO.Path"
		local file =  dotnetClass "System.IO.File"
		local fileOption = dotnetClass "System.IO.FileOptions"
 
		if (folder==unsupplied ) do return fail 
		if (isFolder paths:folder) do 
		(
				try 
				(
					fs =file.Create (thePath.Combine #(folder,thePath.GetRandomFileName())) 1 fileOption.DeleteOnClose
					fs.Dispose();fs.close()			
					fail = true 	
				)
				catch ()
		)
		fail
	)
--- or for max 2010 above 
--- iswriteable folder function