容器代码

    /// 

    /// 实现简单动态均分Panel容器
    /// 
    public class BootstrapPanel : Panel
    {

        #region 依赖属性
        /// 

        /// 子级最小宽度
        /// 
        public double ItemMinWidth
        {
            get { return (double)GetValue(ItemMinWidthProperty); }
            set { SetValue(ItemMinWidthProperty, value); }
        }


        public static readonly DependencyProperty ItemMinWidthProperty = DependencyProperty.Register("ItemMinWidth", typeof(double), typeof(BootstrapPanel), new FrameworkPropertyMetadata(double.NaN, FrameworkPropertyMetadataOptions.AffectsMeasure), IsWidthHeightValid);
        private static bool IsWidthHeightValid(object value)
        {
            double num = (double)value;
            if (!DoubleUtil.IsNaN(num))
            {
                if (num >= 0.0)
                {
                    return !double.IsPositiveInfinity(num);
                }
                return false;
            }
            return true;
        }


        /// 

        /// 元素之间的间距
        /// 

        public Thickness Gutter
        {
            get { return (Thickness)GetValue(GutterProperty); }
            set { SetValue(GutterProperty, value); }
        }
        public static readonly DependencyProperty GutterProperty =
            DependencyProperty.Register("Gutter", typeof(Thickness), typeof(BootstrapPanel), new PropertyMetadata(new Thickness(0)));

        #endregion
        /// 

        /// 实际行数
        /// 
        private int _rows;
        /// 

        /// 实际列数
        /// 
        private int _columns;

        protected override Size MeasureOverride(Size constraint)
        {
            //自动获取行列数量
            UpdateComputedValues(constraint);

            //设置容器测量尺寸
            Size availableSize = new Size(constraint.Width / (double)_columns, constraint.Height / (double)_rows);
            double num = 0.0;
            double num2 = 0.0;
            int i = 0;
            for (int count = base.InternalChildren.Count; i 
        /// 自动设置行列规则
        /// 
        private void UpdateComputedValues(Size constraint)
        {
            //通过当前容器宽度以及默认最小宽度
            //获取到实际默认容器的列数
            if (DoubleUtil.IsNaN(ItemMinWidth))
            {
                throw new ArgumentNullException("请设置ItemMinWidth的目标值");
            }
            #region 统计容器中可见元素数量
            //统计未隐藏不占位的子级元素数量
            int childrenCount = 0;
            int i = 0;
            for (int count = base.InternalChildren.Count; i = childrenCount)//同行最大列数
            {
                _columns = childrenCount;
            }
            else if (colCount == 0)//容器宽度不能满足最小宽度
            {
                _columns = 1;
            }
            else
            {
                _columns = colCount;
            }
            if (_columns > 0)
            {
                _rows = (childrenCount + (_columns - 1)) / _columns;
                return;
            }
            //通过元素数量获取数据行数
            _rows = (int)Math.Sqrt(childrenCount);
            if (_rows * _rows = num)
                    {
                        finalRect.Y += finalRect.Height;
                        finalRect.X = 0.0;
                    }
                }
            }
            return arrangeSize;
        }
    }

容器使用

构造好的容器所在项目Bolg.AntPanel，被Blog.TotalCard项目引用，在页面中使用

命名空间引用

统计标题卡片对应的xaml中引入对应命名空间

xmlns:ant="clr-namespace:Blog.AntPanel.Controls;assembly=Blog.AntPanel"

组件中引用，替换掉之前的ItemControl对应的ItemsPanel,其中ItemMinWidth设置最小子级元素的宽度，Gutter设置子级元素间的外边距，主要作用到MeasureOverride中元素的属性设定

        protected override Size MeasureOverride(Size constraint)
        {
            //省略部分内容
            for (int count = base.InternalChildren.Count; i