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C# Button.SetDataContext方法代码示例

本文整理汇总了C#中System.Windows.Forms.Button.SetDataContext方法的典型用法代码示例。如果您正苦于以下问题：C# Button.SetDataContext方法的具体用法？C# Button.SetDataContext怎么用？C# Button.SetDataContext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.SetDataContext方法的15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: 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: BindAttachedProperty2

        public void BindAttachedProperty2()
        {
            var viewModel = new TestViewModel();
            using(var button = new Button()) {
                button.SetValue(TextProperty, "button1");
                button.SetDataContext(viewModel);
                button.SetBinding(() => new Button().Text, new Binding(() => new TestViewModel().StringProperty2));
                button.SetBinding(TextProperty, new Binding(() => new TestViewModel().StringProperty));
                Assert.That(button.GetValue(TextProperty), Is.EqualTo(null));
                Assert.That(button.Text, Is.EqualTo(string.Empty));

                viewModel.StringProperty = "test";
                Assert.That(button.GetValue(TextProperty), Is.EqualTo("test"));
                Assert.That(button.Text, Is.EqualTo(string.Empty));

                viewModel.StringProperty2 = "test2";
                Assert.That(button.GetValue(TextProperty), Is.EqualTo("test"));
                Assert.That(button.Text, Is.EqualTo("test2"));

                button.ClearBinding(TextProperty);
                Assert.That(button.GetValue(TextProperty), Is.Null);
            }
        }
开发者ID:VitalyTVA，项目名称:WinMVVM，代码行数:23，代码来源:BindingOperationsTests.cs

示例5: DoCollectControlWithDataContextSet

 WeakReference DoCollectControlWithDataContextSet()
 {
     var button = new Button();
     button.SetDataContext("test");
     return new WeakReference(button);
 }
开发者ID:VitalyTVA，项目名称:WinMVVM，代码行数:6，代码来源:DataContextProviderTests.cs

示例6: 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: TwoWayBindingForAttachedProperty

        public void TwoWayBindingForAttachedProperty()
        {
            var viewModel = new TestViewModel() { };
            using(var button = new Button()) {
                button.SetDataContext(viewModel);

                PropertyEntry<object> entry = CommandProvider.CommandParameterProperty.GetPropertyEntry(button);

                Assert.That(entry.ChangedSubscribeCount, Is.EqualTo(0));
                button.SetBinding(CommandProvider.CommandParameterProperty, new Binding(() => viewModel.StringProperty, BindingMode.TwoWay));
                Assert.That(entry.ChangedSubscribeCount, Is.EqualTo(1));

                Assert.That(button.GetCommandParameter(), Is.Null);
                button.SetCommandParameter("test");
                Assert.That(viewModel.StringProperty, Is.EqualTo("test"));

                button.ClearBinding(CommandProvider.CommandParameterProperty);
                Assert.That(entry.ChangedSubscribeCount, Is.EqualTo(0));
                Assert.That(viewModel.StringProperty, Is.EqualTo("test"));
                Assert.That(button.GetCommandParameter(), Is.Null);

                viewModel.StringProperty = "test2";
                Assert.That(button.GetCommandParameter(), Is.Null);

                button.SetCommandParameter("test3");
            }
        }
开发者ID:VitalyTVA，项目名称:WinMVVM，代码行数:27，代码来源:BindingOperationsTests.cs

示例9: DoBindButtonAndGetViewModelReference

 WeakReference DoBindButtonAndGetViewModelReference(Button button)
 {
     var viewModel = new TestViewModel() { StringProperty = "test" };
     button.SetDataContext(viewModel);
     button.SetBinding("Text", new Binding(() => viewModel.StringProperty));
     return new WeakReference(viewModel);
 }
开发者ID:VitalyTVA，项目名称:WinMVVM，代码行数:7，代码来源:BindingOperationsTests.cs

示例10: SetSimpleBindingAfterSetDataContext

        public void SetSimpleBindingAfterSetDataContext()
        {
            using(var button = new Button()) {
                button.SetDataContext("test");
                button.SetBinding("Text", new Binding());
                Assert.That(button.Text, Is.EqualTo("test"));

                button.SetDataContext("test2");
                Assert.That(button.Text, Is.EqualTo("test2"));

                int textChangedCount = 0;
                button.TextChanged += (sender, e) => {
                    textChangedCount++;
                };
                button.SetDataContext("test2");
                Assert.That(textChangedCount, Is.EqualTo(0));

                button.ClearDataContext();
                Assert.That(button.Text, Is.EqualTo(string.Empty));
                button.SetDataContext("test3");
                Assert.That(button.Text, Is.EqualTo("test3"));
            }
        }
开发者ID:VitalyTVA，项目名称:WinMVVM，代码行数:23，代码来源:BindingOperationsTests.cs

示例11: SetSimpleBindingBeforeSetDataContext

        public void SetSimpleBindingBeforeSetDataContext()
        {
            using(var button = new Button()) {
                button.SetBinding("Text", new Binding());
                Assert.That(button.HasLocalDataContext(), Is.False);

                button.SetDataContext("test");
                Assert.That(button.Text, Is.EqualTo("test"));
                Assert.That(button.HasLocalDataContext(), Is.True);

                button.SetDataContext("test2");
                Assert.That(button.Text, Is.EqualTo("test2"));

                button.ClearDataContext();
                Assert.That(button.Text, Is.EqualTo(string.Empty));

                button.SetDataContext("test3");
                Assert.That(button.Text, Is.EqualTo("test3"));

                button.ClearBinding("Text");
                button.ClearBinding("Tag");
                Assert.That(button.Text, Is.EqualTo(string.Empty));
                Assert.That(button.Tag, Is.Null);
                button.SetDataContext("test4");
                Assert.That(button.Text, Is.EqualTo(string.Empty));
            }
        }
开发者ID:VitalyTVA，项目名称:WinMVVM，代码行数:27，代码来源:BindingOperationsTests.cs

示例12: SetBindingWithLambdaExpression

        public void SetBindingWithLambdaExpression()
        {
            using(var button = new Button()) {
                button.SetBinding(() => button.Text, new Binding());
                button.SetDataContext("test");
                Assert.That(button.Text, Is.EqualTo("test"));

                button.ClearBinding(() => button.Text);
                Assert.That(button.Text, Is.EqualTo(string.Empty));
            }
        }
开发者ID:VitalyTVA，项目名称:WinMVVM，代码行数:11，代码来源:BindingOperationsTests.cs

示例13: InheritedDataContextBinding_BindAfterAddToTree

        public void InheritedDataContextBinding_BindAfterAddToTree()
        {
            using(var form = new Form()) {
                var button1 = new Button();
                var button2 = new Button();

                form.Controls.Add(button1);
                form.SetDataContext("test");
                form.Controls.Add(button2);

                button1.SetBinding("Text", new Binding());
                Assert.That(button1.Text, Is.EqualTo("test"));
                Assert.That(button1.HasLocalDataContext(), Is.False);

                button2.SetBinding("Text", new Binding());
                Assert.That(button2.Text, Is.EqualTo("test"));
                Assert.That(button2.HasLocalDataContext(), Is.False);

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

                button1.SetDataContext("button1");
                Assert.That(button1.Text, Is.EqualTo("button1"));
                Assert.That(button1.HasLocalDataContext(), Is.True);
                button2.SetDataContext(null);
                Assert.That(button2.Text, Is.EqualTo(string.Empty));
                Assert.That(button2.HasLocalDataContext(), Is.True);

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

                form.ClearDataContext();
                Assert.That(button1.Text, Is.EqualTo(string.Empty));
                Assert.That(button1.HasLocalDataContext(), Is.False);
                Assert.That(button2.Text, Is.EqualTo(string.Empty));
                Assert.That(button2.HasLocalDataContext(), Is.False);

                button1.SetDataContext("button1");
                Assert.That(button1.Text, Is.EqualTo("button1"));
                Assert.That(button1.HasLocalDataContext(), Is.True);

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

                form.Controls.Clear();
                Assert.That(button1.Text, Is.EqualTo("button1"));
                Assert.That(button2.Text, Is.EqualTo(string.Empty));
            }
        }
开发者ID:VitalyTVA，项目名称:WinMVVM，代码行数:59，代码来源:BindingOperationsTests.cs

示例14: ExtractPathFromLambdaExpression

        public void ExtractPathFromLambdaExpression()
        {
            var viewModel = new TestViewModel() { StringProperty = "StringProperty", NestedViewModel = new NestedTestViewModel() { NestedStringProperty = "NestedStringProperty" } };
            using(var button = new Button()) {
                button.SetDataContext(viewModel);
                button.SetBinding(() => button.Text, new Binding(() => viewModel.StringProperty));
                Assert.That(button.Text, Is.EqualTo("StringProperty"));
                button.SetBinding(() => button.Text, new Binding(() => viewModel.NestedViewModel.NestedStringProperty));
                Assert.That(button.Text, Is.EqualTo("NestedStringProperty"));

                button.SetBinding(() => new Button().Text, new Binding(() => new TestViewModel().StringProperty));
                Assert.That(button.Text, Is.EqualTo("StringProperty"));
                button.SetBinding(() => new Button().Text, new Binding(() => new TestViewModel().NestedViewModel.NestedStringProperty));
                Assert.That(button.Text, Is.EqualTo("NestedStringProperty"));
            }
        }
开发者ID:VitalyTVA，项目名称:WinMVVM，代码行数:16，代码来源:BindingOperationsTests.cs

示例15: ConvertToTargetPropertyType

        public void ConvertToTargetPropertyType()
        {
            var viewModel = new TestViewModel() { IntProperty = 9, DoubleProperty = 153.2 };
            using(var button = new Button()) {
                button.SetDataContext(viewModel);
                button.SetBinding(() => button.Text, new Binding(() => viewModel.IntProperty));
                Assert.That(button.Text, Is.EqualTo("9"));
                viewModel.IntProperty = 13;
                Assert.That(button.Text, Is.EqualTo("13"));

                button.SetBinding(() => button.TabIndex, new Binding(() => viewModel.DoubleProperty));
                Assert.That(button.TabIndex, Is.EqualTo(153));
            }
        }
开发者ID:VitalyTVA，项目名称:WinMVVM，代码行数:14，代码来源:BindingOperationsTests.cs


注：本文中的System.Windows.Forms.Button.SetDataContext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。