winform为什么livechart控件的初始化放在构造函数里有效果，而放其他地方无效

Question

            angularGauge1.FromValue = 0;
            angularGauge1.ToValue = 500;
            angularGauge1.Value = 123;
            angularGauge1.SectionsInnerRadius = 0.5;
            angularGauge1.Sections.Add(
                new AngularSection
                {
                    FromValue = 0,
                    ToValue = 125,
                    Fill = new SolidColorBrush(Color.FromArgb(255, 100, 200, 200)),
                    MinWidth = 2,
                    Width = 5,
                });
            angularGauge1.Sections.Add(
                new AngularSection
                {
                    FromValue = 126,
                    ToValue = 500,
                    Fill = new SolidColorBrush(Color.FromRgb(254, 57, 57))
                });

请问这段程序如果放在winform窗口的构造函数里是有效的，而如果放在其他地方，比如onload事件，或者按钮事件触发，那除了那几个属性有效果，

Sections.Add

是无效的。

Answer 1

Hi,

经过我的测试，的确存在这样的问题。由于livechart是三方的相关控件，所以问题可能与本身的语言关系不大。

我建议你去下面的论坛去得到更好的支持。

Angular gauge support

感谢您的支持。

Best Regards,

Jack

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Answer 2

谢谢您的答复，我更关心的是为什么会这样，构造函数里执行跟其他地方执行为什么会有区别？