C# Button.GetDataContext方法代码示例

本文整理汇总了C#中System.Windows.Forms.Button.GetDataContext方法的典型用法代码示例。如果您正苦于以下问题：C# Button.GetDataContext方法的具体用法？C# Button.GetDataContext怎么用？C# Button.GetDataContext使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Windows.Forms.Button的用法示例。

在下文中一共展示了Button.GetDataContext方法的8个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: ClearValueOnBoundProperty

 public void ClearValueOnBoundProperty()
 {
     using(var button = new Button()) {
         button.SetValue(DataContextProvider.DataContextProperty, "test");
         button.SetBinding(DataContextProvider.DataContextProperty, new Binding());
         button.ClearValue(DataContextProvider.DataContextProperty);
         Assert.That(button.GetDataContext(), Is.Null);
     }
 }

开发者ID:VitalyTVA，项目名称:WinMVVM，代码行数:9，代码来源:AttachedPropertyTests.cs

示例2: ClearDataContextWhenThereIsNoInheritedValueFromParent

 public void ClearDataContextWhenThereIsNoInheritedValueFromParent()
 {
     using(var form = new Form()) {
         var button1 = new Button();
         button1.SetDataContext("button3");
         form.Controls.Add(button1);
         button1.ClearDataContext();
         Assert.That(button1.GetDataContext(), Is.Null);
         Assert.That(button1.HasLocalDataContext(), Is.False);
         Assert.That(form.HasLocalDataContext(), Is.False);
     }
 }

开发者ID:VitalyTVA，项目名称:WinMVVM，代码行数:12，代码来源:DataContextProviderTests.cs

示例3: ChangeInheritedDataContext

        public void ChangeInheritedDataContext()
        {
            using(var form = new Form()) {
                var button1 = new Button();
                var button2 = new Button();
                form.Controls.Add(button1);
                form.Controls.Add(button2);
                form.SetDataContext("test");
                Assert.That(button1.GetDataContext(), Is.EqualTo("test"));
                Assert.That(button1.HasLocalDataContext(), Is.False);
                form.SetDataContext("test2");
                Assert.That(button1.GetDataContext(), Is.EqualTo("test2"));
                Assert.That(button1.HasLocalDataContext(), Is.False);

                button2.SetDataContext("button2");

                form.ClearDataContext();
                Assert.That(button1.GetDataContext(), Is.Null);
                Assert.That(button1.HasLocalDataContext(), Is.False);
                Assert.That(button2.GetDataContext(), Is.EqualTo("button2"));
                Assert.That(button2.HasLocalDataContext(), Is.True);

                form.SetDataContext("test");
                Assert.That(button1.GetDataContext(), Is.EqualTo("test"));
                Assert.That(button1.HasLocalDataContext(), Is.False);
                Assert.That(button2.GetDataContext(), Is.EqualTo("button2"));
                Assert.That(button2.HasLocalDataContext(), Is.True);

                form.Controls.Remove(button1);
                Assert.That(button1.GetDataContext(), Is.Null);
                Assert.That(button1.HasLocalDataContext(), Is.False);
                Assert.That(button2.GetDataContext(), Is.EqualTo("button2"));
                Assert.That(button2.HasLocalDataContext(), Is.True);
                form.Controls.Remove(button2);
                Assert.That(button2.GetDataContext(), Is.EqualTo("button2"));
                Assert.That(button2.HasLocalDataContext(), Is.True);
            }
        }

开发者ID:VitalyTVA，项目名称:WinMVVM，代码行数:38，代码来源:DataContextProviderTests.cs

示例4: InheritDataContextFromParent

        public void InheritDataContextFromParent()
        {
            using(var form = new Form()) {
                var button1 = new Button();
                var button2 = new Button();
                var button3 = new Button();
                button3.SetDataContext("button3");
                form.Controls.Add(button1);
                form.SetDataContext("test");
                form.Controls.Add(button2);
                form.Controls.Add(button3);
                Assert.That(button1.GetDataContext(), Is.EqualTo("test"));
                Assert.That(button2.GetDataContext(), Is.EqualTo("test"));
                Assert.That(button3.GetDataContext(), Is.EqualTo("button3"));
                Assert.That(button1.HasLocalDataContext(), Is.False);
                Assert.That(button2.HasLocalDataContext(), Is.False);
                Assert.That(button3.HasLocalDataContext(), Is.True);

                button1.SetDataContext("button1");
                Assert.That(button1.GetDataContext(), Is.EqualTo("button1"));
                button2.SetDataContext(null);
                Assert.That(button2.GetDataContext(), Is.Null);
                Assert.That(button1.HasLocalDataContext(), Is.True);
                Assert.That(button2.HasLocalDataContext(), Is.True);

                button3.ClearDataContext();
                Assert.That(button3.GetDataContext(), Is.EqualTo("test"));
                Assert.That(button3.HasLocalDataContext(), Is.False);
               }
        }

开发者ID:VitalyTVA，项目名称:WinMVVM，代码行数:30，代码来源:DataContextProviderTests.cs

示例5: SetAndGetDataContextForControl

        public void SetAndGetDataContextForControl()
        {
            using(var button1 = new Button()) {
                Assert.That(button1.GetDataContext(), Is.Null);
                Assert.That(button1.HasLocalDataContext(), Is.False);
                button1.SetDataContext("test");
                Assert.That(button1.GetDataContext(), Is.EqualTo("test"));
                Assert.That(button1.HasLocalDataContext(), Is.True);

                button1.ClearDataContext();
                Assert.That(button1.GetDataContext(), Is.Null);
                Assert.That(button1.HasLocalDataContext(), Is.False);
            }

            using(var button2 = new Button()) {
                Assert.That(button2.GetDataContext(), Is.Null);
                button2.SetDataContext(13);
                Assert.That(button2.GetDataContext(), Is.EqualTo(13));
            }

            using(var button3 = new Button()) {
                button3.ClearDataContext();
                Assert.That(button3.GetDataContext(), Is.Null);
                Assert.That(button3.HasLocalDataContext(), Is.False);
            }
        }

开发者ID:VitalyTVA，项目名称:WinMVVM，代码行数:26，代码来源:DataContextProviderTests.cs

示例6: MultiLevelDataContextInheritance2

        public void MultiLevelDataContextInheritance2()
        {
            using(var form = new Form()) {
                var panel = new Panel();
                var button = new Button();
                panel.Controls.Add(button);
                form.SetDataContext("test");
                form.Controls.Add(panel);

                Assert.That(button.GetDataContext(), Is.EqualTo("test"));
                Assert.That(button.HasLocalDataContext(), Is.False);
                form.SetDataContext("test2");
                Assert.That(button.GetDataContext(), Is.EqualTo("test2"));
                Assert.That(button.HasLocalDataContext(), Is.False);

                panel.SetDataContext("panel");
                Assert.That(button.GetDataContext(), Is.EqualTo("panel"));
                Assert.That(button.HasLocalDataContext(), Is.False);
            }
        }

开发者ID:VitalyTVA，项目名称:WinMVVM，代码行数:20，代码来源:DataContextProviderTests.cs

示例7: MultiLevelDataContextInheritance1

        public void MultiLevelDataContextInheritance1()
        {
            using(var form = new Form()) {
                var panel = new Panel();
                var button1 = new Button();
                var button2 = new Button();
                panel.Controls.Add(button1);
                panel.Controls.Add(button2);
                form.Controls.Add(panel);
                form.SetDataContext("test");

                Assert.That(button1.GetDataContext(), Is.EqualTo("test"));
                Assert.That(button1.HasLocalDataContext(), Is.False);
                form.SetDataContext("test2");
                Assert.That(button1.GetDataContext(), Is.EqualTo("test2"));
                Assert.That(button1.HasLocalDataContext(), Is.False);

                button2.SetDataContext("button2");

                form.ClearDataContext();
                Assert.That(button1.GetDataContext(), Is.Null);
                Assert.That(button1.HasLocalDataContext(), Is.False);
                Assert.That(button2.GetDataContext(), Is.EqualTo("button2"));
                Assert.That(button2.HasLocalDataContext(), Is.True);

                form.SetDataContext("test2");
                Assert.That(button1.GetDataContext(), Is.EqualTo("test2"));
                Assert.That(button2.GetDataContext(), Is.EqualTo("button2"));
                Assert.That(button2.HasLocalDataContext(), Is.True);
                Assert.That(button1.HasLocalDataContext(), Is.False);

                panel.SetDataContext("panel");
                Assert.That(button1.GetDataContext(), Is.EqualTo("panel"));
                Assert.That(button1.HasLocalDataContext(), Is.False);
                Assert.That(button2.GetDataContext(), Is.EqualTo("button2"));
                Assert.That(button2.HasLocalDataContext(), Is.True);

                form.ClearDataContext();
                Assert.That(panel.GetDataContext(), Is.EqualTo("panel"));
                Assert.That(panel.HasLocalDataContext(), Is.True);
                Assert.That(button1.GetDataContext(), Is.EqualTo("panel"));
                Assert.That(button1.HasLocalDataContext(), Is.False);
                Assert.That(button2.GetDataContext(), Is.EqualTo("button2"));
                Assert.That(button2.HasLocalDataContext(), Is.True);

                form.SetDataContext("test2");
                Assert.That(panel.GetDataContext(), Is.EqualTo("panel"));
                Assert.That(panel.HasLocalDataContext(), Is.True);
                Assert.That(button1.GetDataContext(), Is.EqualTo("panel"));
                Assert.That(button1.HasLocalDataContext(), Is.False);
                Assert.That(button2.GetDataContext(), Is.EqualTo("button2"));
                Assert.That(button2.HasLocalDataContext(), Is.True);

                panel.ClearDataContext();
                Assert.That(panel.GetDataContext(), Is.EqualTo("test2"));
                Assert.That(panel.HasLocalDataContext(), Is.False);
                Assert.That(button1.GetDataContext(), Is.EqualTo("test2"));
                Assert.That(button1.HasLocalDataContext(), Is.False);
                Assert.That(button2.GetDataContext(), Is.EqualTo("button2"));
                Assert.That(button2.HasLocalDataContext(), Is.True);

                form.Controls.Clear();
                Assert.That(panel.GetDataContext(), Is.Null);
                Assert.That(panel.HasLocalDataContext(), Is.False);
                Assert.That(button1.GetDataContext(), Is.Null);
                Assert.That(button1.HasLocalDataContext(), Is.False);
                Assert.That(button2.GetDataContext(), Is.EqualTo("button2"));
                Assert.That(button2.HasLocalDataContext(), Is.True);

                panel.SetDataContext("panel");
                Assert.That(button1.GetDataContext(), Is.EqualTo("panel"));
                Assert.That(button1.HasLocalDataContext(), Is.False);
                Assert.That(button2.GetDataContext(), Is.EqualTo("button2"));
                Assert.That(button2.HasLocalDataContext(), Is.True);

                panel.Controls.Clear();
                Assert.That(button1.GetDataContext(), Is.Null);
                Assert.That(button1.HasLocalDataContext(), Is.False);
                Assert.That(button2.GetDataContext(), Is.EqualTo("button2"));
                Assert.That(button2.HasLocalDataContext(), Is.True);
            }
        }

开发者ID:VitalyTVA，项目名称:WinMVVM，代码行数:82，代码来源:DataContextProviderTests.cs

示例8: SetClearValue

        public void SetClearValue()
        {
            using(var form = new Form()) {
                var button = new Button();
                form.Controls.Add(button);
                var viewModel = new TestViewModel() { StringProperty = "test", StringProperty2 = "test2" };
                form.SetDataContext(viewModel);
                BindingManager manager = new BindingManager();

                manager.SetBinding(button, DataContextProvider.DataContextProperty, new Binding(() => viewModel.StringProperty));
                manager.SetValue(button, DataContextProvider.DataContextProperty, "value");
                Assert.That(button.GetDataContext(), Is.EqualTo("value"));

                Assert.That(manager.GetBindingActions().Count(), Is.EqualTo(0));
                Assert.That(manager.GetValueActions().Count(), Is.EqualTo(1));
                SetValueAction action = manager.GetValueActions().First();
                Assert.That(action.Control, Is.EqualTo(button));
                Assert.That(((AttachedPropertyDescriptor)action.Property).Property, Is.EqualTo(DataContextProvider.DataContextProperty));
                Assert.That(action.Value, Is.EqualTo("value"));
                Assert.That(manager.FindAction(button, AttachedPropertyDescriptor.FromAttachedProperty(DataContextProvider.DataContextProperty)), Is.EqualTo(action));

                manager.SetValue(button, DataContextProvider.DataContextProperty, "value2");
                Assert.That(manager.GetBindingActions().Count(), Is.EqualTo(0));
                Assert.That(manager.GetValueActions().Count(), Is.EqualTo(1));
                Assert.That(button.GetDataContext(), Is.EqualTo("value2"));
                action = manager.GetValueActions().First();
                Assert.That(action.Control, Is.EqualTo(button));
                Assert.That(((AttachedPropertyDescriptor)action.Property).Property, Is.EqualTo(DataContextProvider.DataContextProperty));
                Assert.That(action.Value, Is.EqualTo("value2"));

                manager.ClearValue(button, DataContextProvider.DataContextProperty);
                Assert.That(manager.GetBindingActions().Count(), Is.EqualTo(0));
                Assert.That(manager.GetValueActions().Count(), Is.EqualTo(0));
                Assert.That(button.GetDataContext(), Is.Null);
            }
        }

开发者ID:VitalyTVA，项目名称:WinMVVM，代码行数:36，代码来源:BindingManagerTests.cs

注：本文中的System.Windows.Forms.Button.GetDataContext方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。