Uploaded Test files

venv/Lib/site-packages/win32comext/shell/demos/viewstate.py

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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)
+