Class Layer

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Definition

Namespace:
Tizen.NUI
Assembly:
Tizen.NUI.dll
API Level:
3

Layers provide a mechanism for overlaying groups of actors on top of each other.


                
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public class Layer : Container, INotifyPropertyChanged, IDynamicResourceHandler, IElement, INameScope, IElementController, IDisposable
Inheritance
System.Object
Tizen.NUI.Binding.BindableObject
Tizen.NUI.Binding.Element
BaseHandle
Animatable
Container
Layer
Implements
System.ComponentModel.INotifyPropertyChanged
System.IDisposable

Constructors

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Layer()

Creates a Layer object.

Declaration

                
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public Layer()
API Level: 3

Properties

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Behavior

Layer behavior, type String (Layer.LayerBehavior).

Declaration

                
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public Layer.LayerBehavior Behavior { get; set; }
Property Value
Type Description
Layer.LayerBehavior
API Level: 3
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ChildCount

Get the number of children held by the layer.

Declaration

                
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public uint ChildCount { get; }
Property Value
Type Description
System.UInt32
API Level: 3
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Depth

Queries the depth of the layer.
0 is the bottommost layer, higher number is on the top.

Declaration

                
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public uint Depth { get; }
Property Value
Type Description
System.UInt32
API Level: 3
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Name

Gets or sets the layer's name.

Declaration

                
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public string Name { get; set; }
Property Value
Type Description
System.String
API Level: 3
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Opacity

Retrieves and sets the layer's opacity.

Declaration

                
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public float Opacity { get; set; }
Property Value
Type Description
Single
API Level: 3
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Viewport

Sets the viewport (in window coordinates), type rectangle. The contents of the layer will not be visible outside this box, when ViewportEnabled is true.

Declaration

                
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public Rectangle Viewport { get; set; }
Property Value
Type Description
Rectangle
API Level: 4
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Visibility

Retrieves and sets the layer's visibility.

Declaration

                
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public bool Visibility { get; set; }
Property Value
Type Description
System.Boolean
API Level: 3

Methods

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Add(View)

Adds a child view to this layer.

Declaration

                
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public override void Add(View child)
Parameters
Type Name Description
View child
Overrides
See Also
API Level: 4
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Dispose(DisposeTypes)

Dispose.

Declaration

                
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protected override void Dispose(DisposeTypes type)
Parameters
Type Name Description
DisposeTypes type
Overrides
API Level: 3
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FindChildById(UInt32)

Search through this layer's hierarchy for a view with the given unique ID.

Declaration

                
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public View FindChildById(uint id)
Parameters
Type Name Description
System.UInt32 id

The id of the child to find
Returns
Type Description
View

A handle to the view if found, or an empty handle if not.

Remarks

The actor itself is also considered in the search.

API Level: 3
Precondition: This layer (the parent) has been initialized.
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GetChildAt(UInt32)

Retrieves a child view by the index.

Declaration

                
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public override View GetChildAt(uint index)
Parameters
Type Name Description
System.UInt32 index

The index of the child to retrieve.
Returns
Type Description
View

The view for the given index or empty handle if children not initialized.
Overrides
API Level: 4
Precondition: The view has been initialized.
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GetChildCount()

Get the child count of the layer.

Declaration

                
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public override uint GetChildCount()
Returns
Type Description
System.UInt32

The child count of the layer.
Overrides
API Level: 4
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GetParent()

Get parent of the layer.

Declaration

                
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public override Container GetParent()
Returns
Type Description
Container

The view's container
Overrides
API Level: 4
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Lower()

Decrements the depth of the layer.

Declaration

                
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public void Lower()
API Level: 3
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LowerToBottom()

Lowers the layer to the bottom.

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public void LowerToBottom()
API Level: 3
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MoveAbove(Layer)

Moves the layer directly above the given layer.
After the call, this layer's depth will be immediately above target.

Declaration

                
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public void MoveAbove(Layer target)
Parameters
Type Name Description
Layer target

The layer to get on top of.
API Level: 3
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MoveBelow(Layer)

Moves the layer directly below the given layer.
After the call, this layer's depth will be immediately below target.

Declaration

                
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public void MoveBelow(Layer target)
Parameters
Type Name Description
Layer target

The layer to get below of.
API Level: 3
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Raise()

Increments the depth of the layer.

Declaration

                
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public void Raise()
API Level: 3
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RaiseToTop()

Raises the layer to the top.

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public void RaiseToTop()
API Level: 3
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Remove(View)

Removes a child view from this layer. If the view was not a child of this layer, this is a no-op.

Declaration

                
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public override void Remove(View child)
Parameters
Type Name Description
View child
Overrides
See Also
API Level: 4

Implements

System.ComponentModel.INotifyPropertyChanged
System.IDisposable