multibinding

问题 I have a ListView that has a few columns. I have no problem binding each GridViewColumn to a property, For example: <ListView ItemsSource="{Binding MyList}"> <ListView.View> <GridView> <GridViewColumn DisplayMemberBinding="{Binding Name}"> <GridViewColumnHeader Content="Name"/> </GridViewColumn> </GridView> </ListView.View> </ListView> The problems start when I try to multibind a GridViewColumn to two properties: <GridViewColumn> <GridViewColumn.DisplayMemberBinding> <MultiBinding Converter="

问题 I have a custom combobox a multiselectioncombobox if you will, the thing is the selections depend on an other collection. I tried to bind ComboBox.IsChecked property to MultiBinding Converter but the converter isn't called. <DataTemplate> <StackPanel Orientation="Horizontal" x:Name="ItemStack" VirtualizingStackPanel.IsVirtualizing="False"> <CheckBox x:Name="CheckBoxItem" Command="{Binding SelectItem, RelativeSource={RelativeSource AncestorType={x:Type MultiSelectionComboBox}}}"

问题 For part of a fairly-complex WPF ToolTip, I'm attempting to use a MultiBinding to produce formatted text based on two properties. The problem is, the binding's MultiConverter receives DependencyProperty.UnsetValue for each item in its values array. The following works, using a single Binding : <ToolTipService.ToolTip> <StackPanel> <TextBlock> <TextBlock.Text> <Binding Path="Amt" Converter="{StaticResource singleValueConverter}"/> </TextBlock.Text> </TextBlock> </StackPanel> </ToolTipService

问题 I'm trying to combine this 3 features of Guice: inject, multibinding, generics. I create a prototype of production project, so here it is: First, this is a little hierarchy for generics(in production case there is hierarchy of N entities): public interface Type { } public class Type1 implements Type{ } public class Type2 implements Type { } Next, classes ToCreate1 and ToCreate2 I want to create by Factory . Base class: public abstract class AbstractToCreate<T extends Type> { public T type;

问题 I have the following classes : public interface Factory<T extends MyParentClass> { public T create(String parameter); } public class FactoryImpl1 implements Factory<MyChildClass1> { public MyChildClass1 create(String parameter){ ... } } public class FactoryImpl2 implements Factory<MyChildClass2> { public MyChildClass2 create(String parameter){ ... } } public class MyModule extends AbstractModule { @Override protected void configure() { MapBinder<String, Factory<MyParentClass>> factoryMap =

问题 We are currently in the process of converting a project from version 3.5 to version 4.5 of .NET. We set a text box IsEnabled flagged using a multi binding with a multi binding converter. Each of the bindings has their own converter. All worked well in .NET 3.5 but in .NET 4.5 the target type that is passed to the child converter is of type object instead of bool. Is this a known issue? has MS refactored the multi binding to not pass the target type to child converters. I created a simplified

问题 My application is having 5 text boxes and I want content of them in my ExecuteInsert function. right now my Button contains following binding. <Button Content="Add" HorizontalAlignment="Left" Margin="22,281,0,0" VerticalAlignment="Top" Width="75" Command="{Binding Add}" CommandParameter="{Binding ElementName=txtname}" RenderTransformOrigin="1.023,0.765"/> And my ExecuteInsert function is as follows. I just want to pass multiple command parameters means(multibinding) can anybody help?? private

问题 I am integrating property change detection in an application by way of MultiBinding and IMultiValueConverter . So when a user makes changes to a 'DataGrid', the DataGridCell' changes background color. My issue is that when the user saves their work I cannot remove the changed background without a screen flicker. I can do DataContext = null then DataContext = this` but it causes a screen flicker. I cannot call an update binding to reset the MultiBinding to default. Q: How can I update the

问题 I am simply trying to bind two controls as command parameters and pass them into my command as an object[] . XAML: <UserControl.Resources> <C:MultiValueConverter x:Key="MultiParamConverter"></C:MultiValueConverter> </UserControl.Resources> <StackPanel Orientation="Vertical"> <StackPanel Orientation="Horizontal"> <Button Name="Expander" Content="+" Width="25" Margin="4,0,4,0" Command="{Binding ExpanderCommand}"> <Button.CommandParameter> <MultiBinding Converter="{StaticResource

问题 I have below combo box in mvvm-wpf application. I need to implement "Text search" in this..(along with multibinding). Can anybody help me please. <StackPanel Orientation="Horizontal"> <TextBlock Text="Bid Service Cat ID" Margin="2"></TextBlock> <ComboBox Width="200" Height="20" SelectedValuePath="BidServiceCategoryId" SelectedValue="{Binding RelativeSource={RelativeSource AncestorType={x:Type UserControl}}, Path=DataContext.SelectedBidServiceCategoryId.Value}" ItemsSource="{Binding