Using the Win32 API to Access the Registry
SUMMARY
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The REGISTRY sample is a simple utility which demonstrates the functions
needed to access the registry. The sample goes up and down the branches of
the registry tree, displaying the individual key's data values.
MORE INFORMATION
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Usage
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Start the sample. A dialog box appears with several edit fields, list boxes,
and buttons. The list box at the center of the dialog box (labeled CHILD
KEYS at the bottom) always holds the child keys of the current key.
Initially, it has four entries, representing the predefined key handles of
the registry:
HKEY_LOCAL_MACHINE
HKEY_CURRENT_USER
HKEY_USERS
HKEY_CLASSES_ROOT
If you double-click on any of these entries, or highlight one and press the
Next/Down button; the key that you selected appears in the Key Name edit
field, and the children of that selected key replace the entries in the
CHILD KEYS list box. To proceed deeper into the tree, double-click another
child. To back out of the registry, double-click on the ".." at the top of
the list box, or press the Back/Up button.
If the current key has values associated with it, the name of the values is
listed in the right list box (labeled VALUES). If it has no values, VALUES
is followed by a "0". Once you come to a key that does have values
associated with it, you can double-click on any of the values in this list
box. At the bottom of the dialog box are two edit fields: Value: Data Type
and Value: Data Entry. By double-clicking a value entry, these edit fields
are filled with the data's type and the data's value.
If the current key has a class type associated with it, it appears in the
Class edit field. The ACL edit field is not implemented at this time.
