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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;
namespace MaterialDesignThemes.Wpf
{
/// <summary>
/// A card is a content control, styled according to Material Design guidelines.
/// </summary>
[TemplatePart(Name = ClipBorderPartName, Type = typeof(Border))]
public class Card : ContentControl
{
public const string ClipBorderPartName = "PART_ClipBorder";
private Border _clipBorder;
static Card()
{
DefaultStyleKeyProperty.OverrideMetadata(typeof(Card), new FrameworkPropertyMetadata(typeof(Card)));
}
public override void OnApplyTemplate()
{
base.OnApplyTemplate();
_clipBorder = Template.FindName(ClipBorderPartName, this) as Border;
}
protected override void OnRenderSizeChanged(SizeChangedInfo sizeInfo)
{
base.OnRenderSizeChanged(sizeInfo);
if (_clipBorder == null) return;
var farPoint = new Point(
Math.Max(0, _clipBorder.ActualWidth),
Math.Max(0, _clipBorder.ActualHeight));
var clipRect = new Rect(
new Point(),
new Point(farPoint.X, farPoint.Y));
ContentClip = new RectangleGeometry(clipRect, UniformCornerRadius, UniformCornerRadius);
}
public static readonly DependencyProperty UniformCornerRadiusProperty = DependencyProperty.Register(
nameof(UniformCornerRadius), typeof (double), typeof (Card), new FrameworkPropertyMetadata(2.0, FrameworkPropertyMetadataOptions.AffectsMeasure));
public double UniformCornerRadius
{
get { return (double) GetValue(UniformCornerRadiusProperty); }
set { SetValue(UniformCornerRadiusProperty, value); }
}
private static readonly DependencyPropertyKey ContentClipPropertyKey =
DependencyProperty.RegisterReadOnly(
"ContentClip", typeof (Geometry), typeof (Card),
new PropertyMetadata(default(Geometry)));
public static readonly DependencyProperty ContentClipProperty =
ContentClipPropertyKey.DependencyProperty;
public Geometry ContentClip
{
get { return (Geometry) GetValue(ContentClipProperty); }
private set { SetValue(ContentClipPropertyKey, value); }
}
}
}
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