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StyleCollection Class

Represents a collection of Style objects.

System.Object
  System.Web.UI.StateManagedCollection
    System.Web.UI.WebControls.StyleCollection

Namespace:  System.Web.UI.WebControls
Assembly:  System.Web (in System.Web.dll)
public class StyleCollection : StateManagedCollection

The StyleCollection type exposes the following members.

  NameDescription
Public propertyCountGets the number of elements contained in the StateManagedCollection collection. (Inherited from StateManagedCollection.)
Public propertyItemGets the Style object at the specified index location in the StyleCollection object.
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  NameDescription
Public methodAddAppends a specified Style object to the end of the StyleCollection object.
Public methodClearRemoves all items from the StateManagedCollection collection. (Inherited from StateManagedCollection.)
Public methodContainsDetermines whether the specified style is contained within the collection.
Public methodCopyTo(Array, Int32)Copies the elements of the StateManagedCollection collection to an array, starting at a particular array index. (Inherited from StateManagedCollection.)
Public methodCopyTo(Style[], Int32)Copies the elements of the StyleCollection to a one-dimensional Style array, starting at the specified index of the target array.
Protected methodCreateKnownTypeCreates an instance of the Style class, based on the single element collection returned by the GetKnownTypes method. (Overrides StateManagedCollection.CreateKnownType(Int32).)
Public methodEquals(Object)Determines whether the specified object is equal to the current object. (Inherited from Object.)
Protected methodFinalizeAllows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
Public methodGetEnumeratorReturns an iterator that iterates through the StateManagedCollection collection. (Inherited from StateManagedCollection.)
Public methodGetHashCodeServes as the default hash function. (Inherited from Object.)
Protected methodGetKnownTypesGets an array of the IStateManager types that the StyleCollection can contain. (Overrides StateManagedCollection.GetKnownTypes().)
Public methodGetTypeGets the Type of the current instance. (Inherited from Object.)
Public methodIndexOfReturns the index of the specified Style object within the collection.
Public methodInsertInserts a specified Style object into the StyleCollection at the specified index location.
Protected methodMemberwiseCloneCreates a shallow copy of the current Object. (Inherited from Object.)
Protected methodOnClearWhen overridden in a derived class, performs additional work before the Clear method removes all items from the collection. (Inherited from StateManagedCollection.)
Protected methodOnClearCompleteWhen overridden in a derived class, performs additional work after the Clear method finishes removing all items from the collection. (Inherited from StateManagedCollection.)
Protected methodOnInsertWhen overridden in a derived class, performs additional work before the Insert or Add method adds an item to the collection. (Inherited from StateManagedCollection.)
Protected methodOnInsertCompleteWhen overridden in a derived class, performs additional work after the Insert or Add method adds an item to the collection. (Inherited from StateManagedCollection.)
Protected methodOnRemoveWhen overridden in a derived class, performs additional work before the Remove or RemoveAt method removes the specified item from the collection. (Inherited from StateManagedCollection.)
Protected methodOnRemoveCompleteWhen overridden in a derived class, performs additional work after the Remove or RemoveAt method removes the specified item from the collection. (Inherited from StateManagedCollection.)
Protected methodOnValidateWhen overridden in a derived class, validates an element of the StateManagedCollection collection. (Inherited from StateManagedCollection.)
Public methodRemoveRemoves the specified Style object from the StyleCollection object.
Public methodRemoveAtRemoves the Style object at the specified index location from the StyleCollection object.
Public methodSetDirtyForces the entire StateManagedCollection collection to be serialized into view state. (Inherited from StateManagedCollection.)
Protected methodSetDirtyObjectInstructs the input Style object contained in the collection to record its entire state to view state, rather than recording only change information. (Overrides StateManagedCollection.SetDirtyObject(Object).)
Public methodToStringReturns a string that represents the current object. (Inherited from Object.)
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  NameDescription
Explicit interface implemetationPrivate propertyICollection.CountInfrastructure. Gets the number of elements contained in the StateManagedCollection collection. (Inherited from StateManagedCollection.)
Explicit interface implemetationPrivate propertyICollection.IsSynchronizedInfrastructure. Gets a value indicating whether the StateManagedCollection collection is synchronized (thread safe). This method returns false in all cases. (Inherited from StateManagedCollection.)
Explicit interface implemetationPrivate propertyICollection.SyncRootInfrastructure. Gets an object that can be used to synchronize access to the StateManagedCollection collection. This method returns null in all cases. (Inherited from StateManagedCollection.)
Explicit interface implemetationPrivate methodIEnumerable.GetEnumeratorInfrastructure. Returns an iterator that iterates through the StateManagedCollection collection. (Inherited from StateManagedCollection.)
Explicit interface implemetationPrivate methodIList.AddAdds an item to the StateManagedCollection collection. (Inherited from StateManagedCollection.)
Explicit interface implemetationPrivate methodIList.ClearInfrastructure. Removes all items from the StateManagedCollection collection. (Inherited from StateManagedCollection.)
Explicit interface implemetationPrivate methodIList.ContainsDetermines whether the StateManagedCollection collection contains a specific value. (Inherited from StateManagedCollection.)
Explicit interface implemetationPrivate methodIList.IndexOfDetermines the index of a specified item in the StateManagedCollection collection. (Inherited from StateManagedCollection.)
Explicit interface implemetationPrivate methodIList.InsertInserts an item into the StateManagedCollection collection at the specified index. (Inherited from StateManagedCollection.)
Explicit interface implemetationPrivate propertyIList.IsFixedSizeInfrastructure. Gets a value indicating whether the StateManagedCollection collection has a fixed size. This method returns false in all cases. (Inherited from StateManagedCollection.)
Explicit interface implemetationPrivate propertyIList.IsReadOnlyInfrastructure. Gets a value indicating whether the StateManagedCollection collection is read-only. (Inherited from StateManagedCollection.)
Explicit interface implemetationPrivate propertyIList.ItemInfrastructure. Gets the IStateManager element at the specified index. (Inherited from StateManagedCollection.)
Explicit interface implemetationPrivate methodIList.RemoveRemoves the first occurrence of the specified object from the StateManagedCollection collection. (Inherited from StateManagedCollection.)
Explicit interface implemetationPrivate methodIList.RemoveAtRemoves the IStateManager element at the specified index. (Inherited from StateManagedCollection.)
Explicit interface implemetationPrivate propertyIStateManager.IsTrackingViewStateGets a value indicating whether the StateManagedCollection collection is saving changes to its view state. (Inherited from StateManagedCollection.)
Explicit interface implemetationPrivate methodIStateManager.LoadViewStateRestores the previously saved view state of the StateManagedCollection collection and the IStateManager items it contains. (Inherited from StateManagedCollection.)
Explicit interface implemetationPrivate methodIStateManager.SaveViewStateSaves the changes to the StateManagedCollection collection and each IStateManager object it contains since the time the page was posted back to the server. (Inherited from StateManagedCollection.)
Explicit interface implemetationPrivate methodIStateManager.TrackViewStateCauses the StateManagedCollection collection and each of the IStateManager objects it contains to track changes to their view state so they can be persisted across requests for the same page. (Inherited from StateManagedCollection.)
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Use the StyleCollection class to store and manage Style objects for a control. Control developers can use this class to contain a set of styles that apply to different portions of the control.

The collection dynamically increases in size as objects are added. Indexes in this collection are zero-based. Use the Count property to determine how many objects are in the collection.

Additionally, use the StyleCollection methods and properties to provide the following functionality:

  • The Add method to add a single style to the collection.

  • The Insert method to add a style at a particular index within the collection.

  • The Remove method to remove a style from the collection.

  • The RemoveAt method to remove the style located at a particular index.

  • The Contains method to determine whether a particular style is already in the collection.

  • The IndexOf method to retrieve the index of a style within the collection.

  • The Clear method to remove all the styles from the collection.

.NET Framework

Supported in: 4.5.1, 4.5, 4, 3.5, 3.0, 2.0

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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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