แก้ไข

แชร์ผ่าน


VisualTreeHelper.GetOpacity(Visual) Method

Definition

Returns the opacity of the Visual.

public:
 static double GetOpacity(System::Windows::Media::Visual ^ reference);
public static double GetOpacity (System.Windows.Media.Visual reference);
static member GetOpacity : System.Windows.Media.Visual -> double
Public Shared Function GetOpacity (reference As Visual) As Double

Parameters

reference
Visual

The Visual whose opacity value is returned.

Returns

A value of type Double that represents the opacity value of the Visual.

Remarks

The value of the opacity is expressed as a value between 0 and 1. A value of 0 indicates that the element is completely transparent, while a value of 1 indicates that the element is completely opaque. A value of 0.5 indicates that the element is 50 percent opaque. Values less than 0 are treated as 0, and values greater than 1 are treated as 1.

Applies to