SceneHelper.SetInstanceAlpha Method

SceneHelperSetInstanceAlpha Method

Sets the opacity (alpha) of a scene node - see remarks.

Namespace: DigitalRune.Graphics.SceneGraph
Assembly: DigitalRune.Graphics (in DigitalRune.Graphics.dll) Version: 1.2.0.0 (1.2.1.14562)

Syntax

C++

Copy

public static void SetInstanceAlpha(
	this SceneNode node,
	float alpha
)

<ExtensionAttribute>
Public Shared Sub SetInstanceAlpha ( 
	node As SceneNode,
	alpha As Single
)

public:
[ExtensionAttribute]
static void SetInstanceAlpha(
	SceneNode^ node, 
	float alpha
)

[<ExtensionAttribute>]
static member SetInstanceAlpha : 
        node : SceneNode * 
        alpha : float32 -> unit

Parameters

node: Type: DigitalRune.Graphics.SceneGraphSceneNode
The scene node.
alpha: Type: SystemSingle
The alpha value.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type SceneNode. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).

Exceptions

Exception	Condition
ArgumentNullException	node is .

Remarks

This method can be called for all types of SceneNodes. If the node is a MeshNode, the method sets the InstanceAlpha effect parameter bindings in the material instances. Currently, this method does nothing for all other types of scene nodes.

Reference

SceneHelper Class

DigitalRune.Graphics.SceneGraph Namespace