Uploaded Test files

venv/Lib/site-packages/win32/Demos/RegCreateKeyTransacted.py

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+import win32api, win32con, win32transaction
+
+keyname='Pywin32 test transacted registry functions'
+subkeyname='test transacted subkey'
+classname='Transacted Class'
+
+trans=win32transaction.CreateTransaction(Description='test RegCreateKeyTransacted')
+key, disp=win32api.RegCreateKeyEx(win32con.HKEY_CURRENT_USER, keyname,
+    samDesired=win32con.KEY_ALL_ACCESS, Class=classname)
+## clean up any existing keys
+for subk in win32api.RegEnumKeyExW(key):
+    win32api.RegDeleteKey(key, subk[0])
+
+## reopen key in transacted mode
+transacted_key=win32api.RegOpenKeyTransacted(Key=win32con.HKEY_CURRENT_USER, SubKey=keyname,
+    Transaction=trans, samDesired=win32con.KEY_ALL_ACCESS)
+subkey, disp=win32api.RegCreateKeyEx(transacted_key, subkeyname, Transaction=trans,
+    samDesired=win32con.KEY_ALL_ACCESS, Class=classname)
+
+## Newly created key should not be visible from non-transacted handle
+subkeys=[s[0] for s in win32api.RegEnumKeyExW(key)]
+assert subkeyname not in subkeys
+
+transacted_subkeys=[s[0] for s in win32api.RegEnumKeyExW(transacted_key)]
+assert subkeyname in transacted_subkeys
+
+## Key should be visible to non-transacted handle after commit
+win32transaction.CommitTransaction(trans)
+subkeys=[s[0] for s in win32api.RegEnumKeyExW(key)]
+assert subkeyname in subkeys
+
+## test transacted delete
+del_trans=win32transaction.CreateTransaction(Description='test RegDeleteKeyTransacted')
+win32api.RegDeleteKeyEx(key, subkeyname, Transaction=del_trans)
+## subkey should still show up for non-transacted handle
+subkeys=[s[0] for s in win32api.RegEnumKeyExW(key)]
+assert subkeyname in subkeys
+## ... and should be gone after commit
+win32transaction.CommitTransaction(del_trans)
+subkeys=[s[0] for s in win32api.RegEnumKeyExW(key)]
+assert subkeyname not in subkeys
+
+win32api.RegDeleteKey(win32con.HKEY_CURRENT_USER, keyname)