Chilkat_9_5_0.DirTree PHP ActiveX Reference Documentation

Chilkat_9_5_0.DirTree

Current Version: 9.5.0.75

API for iterating over the files and sub-directories in a directory tree. The intent of this class is to provide a simplified, non-recursive way to iterate over an entire directory tree.

Object Creation

$obj = new COM("Chilkat_9_5_0.DirTree");

Properties

BaseDir
string BaseDir

Begin iterating from this directory.

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DebugLogFilePath
string DebugLogFilePath

If set to a file path, causes each Chilkat method or property call to automatically append it's LastErrorText to the specified log file. The information is appended such that if a hang or crash occurs, it is possible to see the context in which the problem occurred, as well as a history of all Chilkat calls up to the point of the problem. The VerboseLogging property can be set to provide more detailed information.

This property is typically used for debugging the rare cases where a Chilkat method call hangs or generates an exception that halts program execution (i.e. crashes). A hang or crash should generally never happen. The typical causes of a hang are:

  1. a timeout related property was set to 0 to explicitly indicate that an infinite timeout is desired,
  2. the hang is actually a hang within an event callback (i.e. it is a hang within the application code), or
  3. there is an internal problem (bug) in the Chilkat code that causes the hang.

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DoneIterating
bool DoneIterating (read-only)

Set to true when the last file or sub-directory has been iterated.

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FileSize32
int FileSize32 (read-only)

The file size of the current file in the iteration. (0 if it is a directory.)

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FullPath
string FullPath (read-only)

The absolute directory path of the current file or sub-directory.

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FullUncPath
string FullUncPath (read-only)

The absolute UNC directory path of the current file or sub-directory.

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IsDirectory
bool IsDirectory (read-only)

true if the current position is a sub-directory, false if it is a file.

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LastBinaryResult
VARIANT LastBinaryResult (read-only)
Introduced in version 9.5.0.52

The binary data returned by the last (binary data returning) method called. Only available if Chilkat.Global.KeepBinaryResult is set to true. This provides a means for obtaining large varbinary results in the SQL Server environment (where limitations exist in getting large amounts of data returned by method calls, but where temp tables can be used for binary properties).

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LastErrorHtml
string LastErrorHtml (read-only)

Provides information in HTML format about the last method/property called. If a method call returns a value indicating failure, or behaves unexpectedly, examine this property to get more information.

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LastErrorText
string LastErrorText (read-only)

Provides information in plain-text format about the last method/property called. If a method call returns a value indicating failure, or behaves unexpectedly, examine this property to get more information.

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LastErrorXml
string LastErrorXml (read-only)

Provides information in XML format about the last method/property called. If a method call returns a value indicating failure, or behaves unexpectedly, examine this property to get more information.

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LastMethodSuccess
bool LastMethodSuccess
Introduced in version 9.5.0.52

Indicate whether the last method call succeeded or failed. A value of true indicates success, a value of false indicates failure. This property is automatically set for method calls. It is not modified by property accesses. The property is automatically set to indicate success for the following types of method calls:

  • Any method that returns a string.
  • Any method returning a Chilkat object, binary bytes, or a date/time.
  • Any method returning a standard boolean status value where success = true and failure = false.
  • Any method returning an integer where failure is defined by a return value less than zero.

Note: Methods that do not fit the above requirements will always set this property equal to true. For example, a method that returns no value (such as a "void" in C++) will technically always succeed.

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LastStringResult
string LastStringResult (read-only)
Introduced in version 9.5.0.52

The string return value of the last (string returning) method called. Only available if Chilkat.Global.KeepStringResult is set to true. This provides a means for obtaining large string results in the SQL Server environment (where limitations exist in getting long strings returned by method calls, but where temp tables can be used for string properties).

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LastStringResultLen
int LastStringResultLen (read-only)
Introduced in version 9.5.0.53

The length, in characters, of the string contained in the LastStringResult property.

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Recurse
bool Recurse

If true, the iteration will be recursive. If false the iteration is non-recursive. The default value is true.

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RelativePath
string RelativePath (read-only)

The relative directory path of the current file or sub-directory. (Relative to the BaseDir)

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VerboseLogging
bool VerboseLogging

If set to true, then the contents of LastErrorText (or LastErrorXml, or LastErrorHtml) may contain more verbose information. The default value is false. Verbose logging should only be used for debugging. The potentially large quantity of logged information may adversely affect peformance.

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Version
string Version (read-only)

Version of the component/library, such as "9.5.0.63"

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Methods

AdvancePosition
bool AdvancePosition()

Advances the current position in the directory tree traversal to the next file or sub-directory.

Important: If AdvancePosition returns false, it can be an error, or it could be that there are no more files and directories. To distinguish between the two cases, examine the DoneIterating property. If DoneIterating is true, then the false return value is not an error, but instead indicates that the end has been reached.

Returns true for success, false for failure.

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BeginIterate
bool BeginIterate()

Begins a directory tree traversal. After calling this method, the various property values such as Fullpath, FileSize32, etc. can be retrieved for the 1st file / sub-directory in the traversal.

Important: If BeginIterate returns false, it can be an error, or it could be that there are 0 files and directories. To distinguish between the two cases, examine the DoneIterating property. If DoneIterating is true, then the false return value is not an error, but instead indicates 0 files/directories.

Returns true for success, false for failure.

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