作成されたカスタム グリッド ビュー テンプレートを解決
public class AdaptableGridView : GridView
{
// default itemWidth
private const double itemWidth = 100.00;
public double ItemWidth
{
get { return (double)GetValue(ItemWidthProperty); }
set { SetValue(ItemWidthProperty, value); }
}
public static readonly DependencyProperty ItemWidthProperty =
DependencyProperty.Register("ItemWidth", typeof(double), typeof(AdaptableGridView), new PropertyMetadata(itemWidth));
// default max number of rows or columns
private const int maxRowsOrColumns = 3;
public int MaxRowsOrColumns
{
get { return (int)GetValue(MaxRowColProperty); }
set { SetValue(MaxRowColProperty, value); }
}
public static readonly DependencyProperty MaxRowColProperty =
DependencyProperty.Register("MaxRowsOrColumns", typeof(int), typeof(AdaptableGridView), new PropertyMetadata(maxRowsOrColumns));
public AdaptableGridView()
{
this.SizeChanged += MyGridViewSizeChanged;
}
private void MyGridViewSizeChanged(object sender, SizeChangedEventArgs e)
{
// Calculate the proper max rows or columns based on new size
this.MaxRowsOrColumns = this.ItemWidth > 0 ? Convert.ToInt32(Math.Floor(e.NewSize.Width / this.ItemWidth)) : maxRowsOrColumns;
}
}
xaml:
<local:AdaptableGridView ItemWidth="250" x:Name="tumbview" VerticalAlignment="Stretch" HorizontalAlignment="Stretch" ItemsSource="{Binding imagelist}" SelectionChanged="GridView_SelectionChanged" Margin="50,0,0,0" >
<GridView.ItemsPanel>
<ItemsPanelTemplate>
<VariableSizedWrapGrid Orientation="Horizontal"
ItemWidth="{Binding ElementName=tumbview, Path=ItemWidth}"
MaximumRowsOrColumns="{Binding ElementName=tumbview, Path=MaxRowsOrColumns}"/>
</ItemsPanelTemplate>
</GridView.ItemsPanel>
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