In This Article

ColorOpacityConverter Class

A value converter that applies an opacity to a given color. Values can be specified as a Avalonia.Media.Color, UIColor, Avalonia.Media.HslColor, Avalonia.Media.HsvColor, or any string that can be parsed by Parse(string).

public class ColorOpacityConverter : IValueConverter
Inheritance:
object object
Implements:
IValueConverter

Remarks

The opacity is defined by the converter paramter as a value between 0.0 (0%) and 1.0 (100%).

Constructors

ColorOpacityConverter()

Initializes an instance of the class.

public ColorOpacityConverter()

Methods

Convert(object?, Type, object?, CultureInfo)

Converts a value.

public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
Parameter Type Description
value object

The value to convert.

targetType Type

The type of the target.

parameter object

A user-defined parameter.

culture CultureInfo

The culture to use.

Returns

object:

The converted value.

Remarks

This method should not throw exceptions. If the value is not convertible, return a Avalonia.Data.BindingNotification in an error state. Any exceptions thrown will be treated as an application exception.

ConvertBack(object?, Type, object?, CultureInfo)

Converts a value.

public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
Parameter Type Description
value object

The value to convert.

targetType Type

The type of the target.

parameter object

A user-defined parameter.

culture CultureInfo

The culture to use.

Returns

object:

The converted value.

Remarks

This method should not throw exceptions. If the value is not convertible, return a Avalonia.Data.BindingNotification in an error state. Any exceptions thrown will be treated as an application exception.

Inherited Members

Extension Methods