Shell Path Handling Functions

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Shell Path Handling Functions

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This section describes the Windows Shell path handling functions. The programming elements explained in this documentation are exported by Shlwapi.dll and defined in Shlwapi.h and Shlwapi.lib.

In this section

Topic	Description
PathAddBackslash	Adds a backslash to the end of a string to create the correct syntax for a path. If the source path already has a trailing backslash, no backslash will be added.
PathAddExtension	Adds a file name extension to a path string.
PathAppend	Appends one path to the end of another.
PathBuildRoot	Creates a root path from a given drive number.
PathCanonicalize	Removes elements of a file path according to special strings inserted into that path.
PathCombine	Concatenates two strings that represent properly formed paths into one path; also concatenates any relative path elements.
PathCommonPrefix	Compares two paths to determine if they share a common prefix. A prefix is one of these types: "C:\\", ".", "..", "..\\".
PathCompactPath	Truncates a file path to fit within a given pixel width by replacing path components with ellipses.
PathCompactPathEx	Truncates a path to fit within a certain number of characters by replacing path components with ellipses.
PathCreateFromUrl	Converts a file URL to a Microsoft MS-DOS path.
PathCreateFromUrlAlloc	Creates a path from a file URL.
PathFileExists	Determines whether a path to a file system object such as a file or directory is valid.
PathFindExtension	Searches a path for an extension.
PathFindFileName	Searches a path for a file name.
PathFindNextComponent	Parses a path and returns the portion of that path that follows the first backslash.
PathFindOnPath	Searches for a file.
PathFindSuffixArray	Determines whether a given file name has one of a list of suffixes.
PathGetArgs	Finds the command line arguments within a given path.
PathGetCharType	Determines the type of character in relation to a path.
PathGetDriveNumber	Searches a path for a drive letter within the range of 'A' to 'Z' and returns the corresponding drive number.
PathIsContentType	Determines if a file's registered content type matches the specified content type. This function obtains the content type for the specified file type and compares that string with the pszContentType. The comparison is not case-sensitive.
PathIsDirectory	Verifies that a path is a valid directory.
PathIsDirectoryEmpty	Determines whether a specified path is an empty directory.
PathIsFileSpec	Searches a path for any path-delimiting characters (for example, ':' or '\' ). If there are no path-delimiting characters present, the path is considered to be a File Spec path.
PathIsHTMLFile	Determines if a file is an HTML file. The determination is made based on the content type that is registered for the file's extension.
PathIsLFNFileSpec	Determines whether a file name is in long format.
PathIsNetworkPath	Determines whether a path string represents a network resource.
PathIsPrefix	Searches a path to determine if it contains a valid prefix of the type passed by pszPrefix. A prefix is one of these types: "C:\\", ".", "..", "..\\".
PathIsRelative	Searches a path and determines if it is relative.
PathIsRoot	Parses a path to determine if it is a directory root.
PathIsSameRoot	Compares two paths to determine if they have a common root component.
PathIsSystemFolder	Determines if an existing folder contains the attributes that make it a system folder. Alternately, this function indicates if certain attributes qualify a folder to be a system folder.
PathIsUNC	Determines if the string is a valid Universal Naming Convention (UNC) for a server and share path.
PathIsUNCServer	Determines if a string is a valid UNC for a server path only.
PathIsUNCServerShare	Determines if a string is a valid UNC share path, \\server\share.
PathIsURL	Tests a given string to determine if it conforms to a valid URL format.
PathMakePretty	Converts a path to all lowercase characters to give the path a consistent appearance.
PathMakeSystemFolder	Gives an existing folder the proper attributes to become a system folder.
PathMatchSpec	Searches a string using a MS-DOS wildcard match type.
PathMatchSpecEx	Matches a file name from a path against one or more file name patterns.
PathParseIconLocation	Parses a file location string that contains a file location and icon index, and returns separate values.
PathQuoteSpaces	Searches a path for spaces. If spaces are found, the entire path is enclosed in quotation marks.
PathRelativePathTo	Creates a relative path from one file or folder to another.
PathRemoveArgs	Removes any arguments from a given path.
PathRemoveBackslash	Removes the trailing backslash from a given path.
PathRemoveBlanks	Removes all leading and trailing spaces from a string.
PathRemoveExtension	Removes the file name extension from a path, if one is present.
PathRemoveFileSpec	Removes the trailing file name and backslash from a path, if they are present.
PathRenameExtension	Replaces the extension of a file name with a new extension. If the file name does not contain an extension, the extension will be attached to the end of the string.
PathSearchAndQualify	Determines if a given path is correctly formatted and fully qualified.
PathSetDlgItemPath	Sets the text of a child control in a window or dialog box, using PathCompactPath to ensure the path fits in the control.
PathSkipRoot	Parses a path, ignoring the drive letter or UNC server/share path elements.
PathStripPath	Removes the path portion of a fully qualified path and file.
PathStripToRoot	Removes all parts of the path except for the root information.
PathUndecorate	Removes the decoration from a path string.
PathUnExpandEnvStrings	Replaces certain folder names in a fully-qualified path with their associated environment string.
PathUnmakeSystemFolder	Removes the attributes from a folder that make it a system folder. This folder must actually exist in the file system.
PathUnquoteSpaces	Removes quotes from the beginning and end of a path.
SHSkipJunction	Checks a bind context to see if it is safe to bind to a particular component object.
UrlApplyScheme	Determines a scheme for a specified URL string, and returns a string with an appropriate prefix.
UrlCanonicalize	Converts a URL string into canonical form.
UrlCombine	When provided with a relative URL and its base, returns a URL in canonical form.
UrlCompare	Makes a case-sensitive comparison of two URL strings.
UrlCreateFromPath	Converts a MS-DOS path to a canonicalized URL.
UrlEscape	Converts characters in a URL that might be altered during transport across the Internet ("unsafe" characters) into their corresponding escape sequences.
UrlEscapeSpaces	A macro that converts space characters into their corresponding escape sequence.
UrlFixupW	Attempts to correct a URL whose protocol identifier is incorrect. For example, htttp will be changed to http.
UrlGetLocation	Retrieves the location from a URL.
UrlGetPart	Accepts a URL string and returns a specified part of that URL.
UrlHash	Hashes a URL string.
UrlIs	Tests whether a URL is a specified type.
UrlIsFileUrl	Tests a URL to determine if it is a file URL.
UrlIsNoHistory	Returns whether a URL is a URL that browsers typically do not include in navigation history.
UrlIsOpaque	Returns whether a URL is opaque.
UrlUnescape	Converts escape sequences back into ordinary characters.
UrlUnescapeInPlace	Converts escape sequences back into ordinary characters and overwrites the original string.