Viewer.OnLayerChanged event (Visio Viewer)

Occurs when a layer is changed in the document open in Microsoft Visio Viewer.

Syntax

expression.OnLayerChanged (LayerIndex, Visible, ColorOverride, Color, ColorTrans)

expression An expression that returns a Viewer object.

Parameters

Name	Required/Optional	Data type	Description
LayerIndex	Required	Long	The index of the changed layer.
Visible	Required	Boolean	Indicates whether the changed layer is visible in the user interface.
ColorOverride	Required	Boolean	Indicates whether to override the color of shapes on the changed layer.
Color	Required	OLE_COLOR	The color of the changed layer, expressed in RGB values.
ColorTrans	Required	Double	The transparency percentage of the changed layer.

Remarks

You can change a layer either in the Layer Properties dialog box, or programmatically by using the LayerColor, LayerColorOverride, LayerColorTrans, and LayerVisible properties.

Example

The following code shows how to use the OnLayerChanged event to display the new transparency percentage of the changed layer in the Immediate window.

Private Sub vsoViewer_OnLayerChanged(ByVal LayerIndex As Long, ByVal Visible As Boolean, ByVal ColorOverride As Boolean, ByVal Color As stdole.OLE_COLOR, ByVal ColorTrans As Double)

    Debug.Print "The new transparency percentage is"; ColorTrans

End Sub

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