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Quick Info
Windows NT
| Yes
| Win95
| Yes
| Win32s
| No
| Import Library
| -
| Header File
| shlobj.h
| Unicode
| No
| Platform Notes
| None
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IShellFolder::CompareIDs
[Now Supported on Windows NT]
Determines the relative ordering of two file objects or folders, given their
item identifier lists.
HRESULT CompareIDs(
LPARAM lParam,
| // Type of comparison to perform
| LPCITEMIDLIST pidl1,
| // Address of ITEMIDLIST structure
| LPCITEMIDLIST pidl2
| // Address of ITEMIDLIST structure
| );
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Parameters
lParam
Value specifying the type of comparison to perform. The calling application
should always specify zero, indicating that the two items should be sorted by
name.
pidl1 and pidl2
Addresses of two ITEMIDLIST structures that uniquely identify the items to be compared. Both item
identifier lists are relative to the parent folder.
Return Values
Returns a handle to a result code. If this method is successful, the CODE
field of the status code (SCODE) has the following meaning:
CODE field
| Meaning
| Less than zero
| The first item should precede the second (pidl1 < pidl2).
| Greater than zero
| The first item should follow the second (pidl1 > pidl2)
| Zero
| The two items are the same (pidl1 = pidl2).
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Remarks
Passing 0 as the lParam indicates sort by name. 0x00000001-0x7fffffff are for folder specific sorting
rules. 0x80000000-0xfffffff are used the system.
See Also
IShellFolder, ITEMIDLIST
Related Links
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Unix Manual Pages
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