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要触发点击必须设置IsItemClickEnabled="True"
要变更布局代码如下:- private void gridView_ItemClick_1(object sender, ItemClickEventArgs e)
- {
- ColorModel model = (e.ClickedItem as ColorModel);//自定义的类
- model.ColSpan = 2;//占的格数
- model.RowSpan = 2;//占的格数
- (VisualTreeHelper.GetChild(((VisualTreeHelper.GetChild(gridView, 0) as Border).Child as ScrollViewer).Content as FrameworkElement, 1) as VariableSizedWrapGrid).Children[gridView.Items.IndexOf(e.ClickedItem)].SetValue(Windows.UI.Xaml.Controls.VariableSizedWrapGrid.ColumnSpanProperty, model.ColSpan);
- (VisualTreeHelper.GetChild(((VisualTreeHelper.GetChild(gridView, 0) as Border).Child as ScrollViewer).Content as FrameworkElement, 1) as VariableSizedWrapGrid).Children[gridView.Items.IndexOf(e.ClickedItem)].SetValue(Windows.UI.Xaml.Controls.VariableSizedWrapGrid.RowSpanProperty, model.RowSpan);
- (VisualTreeHelper.GetChild(((VisualTreeHelper.GetChild(gridView, 0) as Border).Child as ScrollViewer).Content as FrameworkElement, 1) as VariableSizedWrapGrid).InvalidateArrange();//重新布局
- (VisualTreeHelper.GetChild(((VisualTreeHelper.GetChild(gridView, 0) as Border).Child as ScrollViewer).Content as FrameworkElement, 1) as VariableSizedWrapGrid).InvalidateMeasure();//重新计算
- }
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