CPF 入门教程 - 样式和动画（三）

<Style TagetType="Button">
　　<Setter Property="Background" value="Red"></Setter>
　　......
</Style>

Button{
　　Background:red;
　　......
}

        public static implicit operator 自定义对象(string n)
        {
            return Parse(n);//自己写字符串解析和创建自定义对象
        }

Button {
    BorderFill: #DCDFE6;
    IsAntiAlias: True;
    CornerRadius: 4,4,4,4;
    Background: #FFFFFF;
}

    Button[IsMouseOver=true] {
        BorderFill: rgb(198,226,255);
        Background: rgb(236,245,255);
        Foreground: rgb(64,158,255);
    }

    Button[IsPressed=true] {
        BorderFill: rgb(58,142,230);
    }

@keyframes comboboxDropDown {
    0% {
        RenderTransform: scale(1,0.1);
    }

    100% {
        RenderTransform: scale(1,1);
    }
}

#DropDownPanel {
    RenderTransformOrigin: 50%,0;
}

#DropDownPopup[Visibility=Visible] #DropDownPanel {
    animation-name: comboboxDropDown;
    animation-duration: 0.1s;
    animation-iteration-count: 1;
    animation-fill-mode: forwards;
}

            RenderTransformOrigin = "100%,0";
            RenderTransform = new GeneralTransform { ScaleX = 0.1f };
            this.TransitionValue(a => a.RenderTransform, new GeneralTransform { ScaleX = 1 }, TimeSpan.FromSeconds(0.1f));

             var storyboard = new Storyboard
                {
                    Timelines =
                    {
                        new Timeline(1)
                        {
                            KeyFrames =
                            {
                                new KeyFrame<SolidColorFill>{ Property=nameof(Control.Background), Value="0,0,0,100" }
                            }
                        }
                    }
                };
            }
            storyboard.Start(mask, TimeSpan.FromSeconds(0.3), 1, EndBehavior.Reservations);