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- """
- Demonstrates how to propagate a folder's view state to all its subfolders
- The format of the ColInfo stream is apparently undocumented, but
- it can be read raw from one folder and copied to another's view state.
- """
- from win32com.shell import shell, shellcon
- import pythoncom
- import os, sys
- template_folder=os.path.split(sys.executable)[0]
- print('Template folder:', template_folder)
- template_pidl=shell.SHILCreateFromPath(template_folder,0)[0]
- template_pb=shell.SHGetViewStatePropertyBag(template_pidl, "Shell", shellcon.SHGVSPB_FOLDERNODEFAULTS, pythoncom.IID_IPropertyBag)
- # Column info has to be read as a stream
- # This may blow up if folder has never been opened in Explorer and has no ColInfo yet
- template_iunk=template_pb.Read('ColInfo',pythoncom.VT_UNKNOWN)
- template_stream=template_iunk.QueryInterface(pythoncom.IID_IStream)
- streamsize=template_stream.Stat()[2]
- template_colinfo=template_stream.Read(streamsize)
- def update_colinfo(not_used, dir_name, fnames):
- for fname in fnames:
- full_fname=os.path.join(dir_name,fname)
- if os.path.isdir(full_fname):
- print(full_fname)
- pidl=shell.SHILCreateFromPath(full_fname,0)[0]
- pb=shell.SHGetViewStatePropertyBag(pidl, "Shell", shellcon.SHGVSPB_FOLDERNODEFAULTS, pythoncom.IID_IPropertyBag)
- ## not all folders already have column info, and we're replacing it anyway
- pb.Write('ColInfo', template_stream)
- iunk=pb.Read('ColInfo',pythoncom.VT_UNKNOWN)
- s=iunk.QueryInterface(pythoncom.IID_IStream)
- s.Write(template_colinfo)
- s=None
- ## attribute names read from registry, can't find any way to enumerate IPropertyBag
- for attr in ('Address','Buttons','Col','Vid','WFlags','FFlags','Sort','SortDir','ShowCmd','FolderType','Mode','Rev'):
- pb.Write(attr, template_pb.Read(attr))
- pb=None
- os.path.walk(template_folder,update_colinfo,None)
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