WPF 動態布局Grid

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 1 //開啟線程載入 2             Action a = () => 3             { 4                 var row = 7; 5                 var column = 9; 6  7                 var path = "../../face_img/"; 8                 var files = Directory.GetFiles(path); 9                 for (var i = 0; i < row; i++)10                 {11                     faceGrid.RowDefinitions.Add(new RowDefinition());12                 }13                 for (var i = 0; i < column; i++)14                 {15                     faceGrid.ColumnDefinitions.Add(new ColumnDefinition());16                 }17                 var index = 0;18                 for (var i = 0; i < row; i++)19                 {20                     for (var j = 0; j < column; j++, index++)21                     {22                         if (index < files.Length)23                         {24                             var btn = new Button { Width = 25, Height = 25 };25                             var image = new GifImage { Source = System.IO.Path.GetFullPath(files[index]), Stretch = Stretch.Fill };26                             btn.Click += btn_Click;27                             image.ToolTip = "["+ System.IO.Path.GetFileName(files[index]) + "]";28                             btn.Tag = "[" + System.IO.Path.GetFileName(files[index]) + "]";29                             image.OpacityMask = this.Background;30                             image.Width = btn.Width-1;31                             image.Height = btn.Height-1;32                             btn.BorderBrush = Brushes.WhiteSmoke;33                             btn.Background = Brushes.White;34                             btn.Content = image;35                             Grid.SetRow(btn, i);36                             Grid.SetColumn(btn, j);37                          38                             faceGrid.Children.Add(btn);39                         }40                     }41                 }42             };43             this.faceGrid.Dispatcher.Invoke(a);

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