C# (CSharp) UIBarButtonItem.GetBackgroundImage示例

示例#1

文件： BarButtonItemTest.cs 项目： ye-man/xamarin-macios

        public void BackgroundImage()
        {
            using (UIBarButtonItem btn = new UIBarButtonItem()) {
                Assert.Null(btn.GetBackgroundImage(UIControlState.Highlighted, UIBarMetrics.Default), "Get");
                btn.SetBackgroundImage(null, UIControlState.Highlighted, UIBarMetrics.Default);

                Assert.Null(btn.GetBackgroundImage(UIControlState.Highlighted, UIBarButtonItemStyle.Plain, UIBarMetrics.Default), "Get2");
                btn.SetBackgroundImage(null, UIControlState.Highlighted, UIBarButtonItemStyle.Plain, UIBarMetrics.Default);
            }
        }

示例#2

        public void BackgroundImage()
        {
            using (UIBarButtonItem btn = new UIBarButtonItem()) {
                Assert.Null(btn.GetBackgroundImage(UIControlState.Highlighted, UIBarMetrics.Default), "Get");
                btn.SetBackgroundImage(null, UIControlState.Highlighted, UIBarMetrics.Default);

                if (TestRuntime.CheckSystemAndSDKVersion(6, 0))
                {
                    Assert.Null(btn.GetBackgroundImage(UIControlState.Highlighted, UIBarButtonItemStyle.Plain, UIBarMetrics.Default), "Get2");
                    btn.SetBackgroundImage(null, UIControlState.Highlighted, UIBarButtonItemStyle.Plain, UIBarMetrics.Default);
                }
            }
        }