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DataBinding之 MultiBinding
MilkTea.Common
转换器:
namespace MilkTea.Common
{
public class MultiBindingConverter:IMultiValueConverter
{
public object Convert(object[] values, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
//return values;
return values.ToArray();
}
public object[] ConvertBack(object value, Type[] targetTypes, object parameter, System.Globalization.CultureInfo culture)
{
throw new NotImplementedException();
}
}
}
xaml:
xmlns:comm="clr-namespace:MilkTea.Common;assembly=MilkTea.Common"
<Window.Resources>
<comm:MultiBindingConverter x:Key="MyConverter"></comm:MultiBindingConverter>
</Window.Resources>
<Button Content="确定" Height="32" HorizontalAlignment="Left" Margin="113,243.333,0,0" x:Name="button1" VerticalAlignment="Top" Width="98" IsDefault="True" Command="{Binding SubmitSetTasteCommand}">
<Button.CommandParameter>
<MultiBinding Converter="{StaticResource MyConverter}">
<Binding ElementName="datagrid"></Binding>
<Binding ElementName="myTesteWnd"></Binding>
</MultiBinding>
</Button.CommandParameter>
</Button>
MainViewModel.cs:
public ICommand SubmitSetTasteCommand
{
get
{
return new DelegateCommand<object>(
(obj) =>
{
var args = (object[])obj;
var gridview = (Telerik.Windows.Controls.RadGridView)args[0];
var win = (Window)args[1];
var selects = gridview.SelectedItems;
});
}
}