QueryHistoryParameters Class

Статья
07/02/2014

Represents all the parameters that are required to call the QueryHistory method on the VersionControlServer object.

Inheritance Hierarchy

System.Object
Microsoft.TeamFoundation.VersionControl.Client.QueryHistoryParameters

Namespace: Microsoft.TeamFoundation.VersionControl.Client
Assembly: Microsoft.TeamFoundation.VersionControl.Client (in Microsoft.TeamFoundation.VersionControl.Client.dll)

Syntax

'Declaration
Public Class QueryHistoryParameters

public class QueryHistoryParameters

public ref class QueryHistoryParameters

type QueryHistoryParameters =  class end

public class QueryHistoryParameters

The QueryHistoryParameters type exposes the following members.

Constructors

	Name	Description
	QueryHistoryParameters()	Initializes a new instance of the QueryHistoryParameters class.
	QueryHistoryParameters(ItemSpec)	Creates a new QueryHistoryParameters object.
	QueryHistoryParameters(String, RecursionType)	Creates a new QueryHistoryParameters object.

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Properties

	Name	Description
	Author	This property defaults to null. Set this property to restrict the history query to the set of changesets authored by a particular identity. For TFS 2010 servers and earlier, this property must be in the form "DOMAIN\user". Later servers accept identities in this format, and also display names ("Maggie Carrido").
	BatchSize	The batch size for the QueryHistory paging mechanism. The default value for this property is 256.
	DeletionId	If the path provided in the Item property is deleted, the deletion ID of the particular item referred to by the Item property may be provided here. Defaults to zero; supplying another value for this property is not common, and is only necessary when you use TFS 2005 or 2008.
	IncludeChanges	Set this property to true if you need for the returned Changeset objects to contain actual Change objects (the manifest of the changeset). By default, this property is false, and the Changeset objects returned will contain only the changeset metadata. Note that even when this property is set to true, the set of returned Change objects is scoped to the Item/RecursionType pair used to perform the query.
	IncludeDownloadInfo	This property applies only when IncludeChanges is set to true. Set this property to true to have the server generate download URLs and include them with the Change objects returned in each Changeset. This allows the client to download the file content associated with a particular Change object by using one round-trip to the server instead of two. Setting this property to true increases the computation time on the server for the QueryHistory call, and also the size of the result set on the wire. For performance reasons, you should enable this flag only if you intend to download the content the returned Change objects.
	Item	The item whose history is to be retrieved. The last path part may include the ? and * wildcard characters, that is $/Abc/def/*.cs. The item may be a server or a local path.
	ItemVersion	A VersionSpec describing the point in time at which the path provided in the Item property should be resolved. Defaults to VersionSpec.Latest; supplying another value for this property is not common.
	MaxResults	Set this property to limit the number of results returned by the QueryHistory call. By default, this property is set to Int32.MaxValue. QueryHistory pages results back from the server on demand. Therefore, limiting your own consumption of the IEnumerable is almost as effective from a performance perspective.
	RecursionType	The recursion type to apply to the Item property when you perform the history query.
	SlotMode	If this property is false, then the (Item, ItemVersion, DeletionId) tuple is resolved to an item ID and the history is performed on that item ID, tracking across renames. If this property is true, then the tuple is not resolved. Instead, all changesets which have an item with the name Item (or underneath it, if the query is recursive), are returned. That is, the query is on a particular "namespace slot" (slot mode) instead of on a particular item. This property defaults to true.
	SortAscending	By default, the results from a QueryHistory call are from VersionEnd to VersionStart (reverse order). If you want the results to be returned in ascending order instead (from VersionStart to VersionEnd), set this flag to true. This flag requires a TFS 2010 or a later version server to have any effect.
	VersionEnd	Set this property to restrict the history query along the time axis. This property defaults to null, to indicate that the range of the history query starts with the latest changeset in the repository.
	VersionStart	Set this property to restrict the history query along the time axis. This property defaults to null, to indicate that the range of the history query goes all the way back to when the repository was created.

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Methods

	Name	Description
	Equals	Determines whether the specified object is equal to the current object. (Inherited from Object.)
	Finalize	Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
	GetHashCode	Serves as the default hash function. (Inherited from Object.)
	GetType	Gets the Type of the current instance. (Inherited from Object.)
	MemberwiseClone	Creates a shallow copy of the current Object. (Inherited from Object.)
	ToString	Returns a string that represents the current object. (Inherited from Object.)

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Thread Safety

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

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