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https://gitee.com/akwkevin/aistudio.-wpf.-diagram
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49 lines
2.1 KiB
C#
49 lines
2.1 KiB
C#
//The MIT License(MIT)
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//Copyright(c) 2016 Alberto Rodriguez & LiveCharts Contributors
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//Permission is hereby granted, free of charge, to any person obtaining a copy
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//of this software and associated documentation files (the "Software"), to deal
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//in the Software without restriction, including without limitation the rights
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//to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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//copies of the Software, and to permit persons to whom the Software is
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//furnished to do so, subject to the following conditions:
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//The above copyright notice and this permission notice shall be included in all
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//copies or substantial portions of the Software.
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//THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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//IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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//FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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//AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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//LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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//OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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//SOFTWARE.
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using System;
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using System.Windows;
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namespace LiveCharts.Wpf.Components
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{
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// This is a workaround to prevent a possible threading issue
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// LiveChart was designed to be easy to use, the current design
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// avoids the usage of DataTemplates, instead we use the same object (UIElement)
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// since UI elements are running the UI thread, it is possible that
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// when we try to modify a property in a UIElement, i.e. the labels of an axis,
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// we can't, well we can but we need to use the UI dispatcher.
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internal static class ThreadAccess
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{
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public static T Resolve<T>(DependencyObject dependencyObject,
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DependencyProperty dependencyProperty)
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{
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if (dependencyObject.Dispatcher.CheckAccess())
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return (T) dependencyObject.GetValue(dependencyProperty);
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return (T) dependencyObject.Dispatcher.Invoke(
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new Func<T>(() => (T) dependencyObject.GetValue(dependencyProperty)));
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}
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}
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}
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