dozob

<ObjectDataProvider x:Key="MyEnumValue_et"
                    MethodName="GetValues"
                    ObjectType="{x:Type sys:Enum}">
    <ObjectDataProvider.MethodParameters>
        <x:Type TypeName="local:MyEnumValue_et"/>
    </ObjectDataProvider.MethodParameters>
</ObjectDataProvider>

XAML:

<Calendar ...
          SelectedDatesChanged="Calendar_SelectedDatesChanged"/>

.cs:

private void Calendar_SelectedDatesChanged(object sender, SelectionChangedEventArgs e)
{
    Mouse.Capture(null);
}

ContextMenu.PlacementTarget (DependencyProperty)

ContextMenu가 열리는 위치의 기준이 되는 UIElement를 가져오거나 설정함

Choose the right base class

Override the Default Style

static MyCustomControl()
{
    DefaultStyleKeyProperty.OverrideMetadata(
        typeof(MyCustomControl),
        new FrameworkPropertyMetadata(typeof(MyCustomControl));
}

Create a default Style

<ResourceDictionary
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:sys="clr-namespace:System;assembly=mscorlib"
    xmlns:sd="clr-namespace:System.Drawing;assembly=System.Drawing"
    xmlns:swm="clr-namespace:System.Windows.Media;assembly=PresentationCore">
 
    <Style TargetType="{x:Type local:MyCustomControl}">
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type local:MyCustomControl}">
                    ...
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>
 
</ResourceDictionary>

public static readonly DependencyProperty MyContentProperty =
    DependencyProperty.Register(
        nameof(MyContent),
        typeof(object),
        typeof(MyCustomControl),
        new FrameworkPropertyMetadata(
            null,
            FrameworkPropertyMetadataOptions.AffectsRender |
            FrameworkPropertyMetadataOptions.AffectsParentMeasure));
 
public object MyContent
{
    get => GetValue(MyContentProperty);
    set => SetValue(MyContentProperty, value);
}

UIElement 위에 정보, 기능 등을 표시하기 위해 사용하는 사용자 지정 FrameworkElement

Adorner는 UIElement 내에 AdornerLayer를 생성하여 그 위에 객체를 배치하므로 어떤 객체들보다 상위에 나타난다.

(Z-inddex 등을 조절하는 것보다 편한 방법)

MSDN

// Adorners must subclass the abstract base class Adorner.
public class SimpleCircleAdorner : Adorner
{
    // Be sure to call the base class constructor.
    public SimpleCircleAdorner(UIElement adornedElement)
        : base(adornedElement) 
    { 
    }
 
    // A common way to implement an adorner's rendering behavior is to override the OnRender
    // method, which is called by the layout system as part of a rendering pass.
    protected override void OnRender(DrawingContext dc)
    {
        Rect adornedElementRect = new Rect(this.AdornedElement.DesiredSize);
 
        // Some arbitrary drawing implements.
        var renderBrush = new SolidColorBrush(Colors.Green);
        renderBrush.Opacity = 0.2;
        Pen renderPen = new Pen(new SolidColorBrush(Colors.Navy), 1.5);
        double renderRadius = 5.0;
 
        // Draw a circle at each corner.
        dc.DrawEllipse(renderBrush, renderPen, adornedElementRect.TopLeft, renderRadius, renderRadius);
        dc.DrawEllipse(renderBrush, renderPen, adornedElementRect.TopRight, renderRadius, renderRadius);
        dc.DrawEllipse(renderBrush, renderPen, adornedElementRect.BottomLeft, renderRadius, renderRadius);
        dc.DrawEllipse(renderBrush, renderPen, adornedElementRect.BottomRight, renderRadius, renderRadius);
    }
}

myAdornerLayer = AdornerLayer.GetAdornerLayer(myTextBox);
myAdornerLayer.Add(new SimpleCircleAdorner(myTextBox));

★마우스 이벤트를 받지 않고 통과시키려면

myAdorner.IsHitTestVisible = false;