binding

问题 I have this: <TabControl Margin="0,24,0,0">...</TabControl> I want to bind only the "Top" part of the TabControl, which intuitively I would do it this way: <TabControl Margin="0,{Binding ElementName=TheMenu, Path=Height},0,0"> ... </TabControl> How do I do it ? 回答1: Have you tried using a converter like this? in VB.Net Public Class MarginConverter Implements IValueConverter Public Function Convert(ByVal value As Object, ByVal targetType As System.Type, ByVal parameter As Object, ByVal culture

问题 can you give me a simple example of an application with background service which uses bind/unbind methods to start and stop it? I was googling for it for a half-hour, but those examples use startService/stopService methods or are very difficult for me. thank you. 回答1: You can try using this code: protected ServiceConnection mServerConn = new ServiceConnection() { @Override public void onServiceConnected(ComponentName name, IBinder binder) { Log.d(LOG_TAG, "onServiceConnected"); } @Override

问题 I'm writing a tool that automatically generate code. This tool generates code for a XAML (WPF) me this way. How can I solve this problem in a situation like that have nested Binding? i received the error that : System.windows.data.binding does not have a content property . Pls help me :) <Grid xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:assembly="http://www.vakifbank.com/windows/usercontrols" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:assembly0=

问题 I want to realize a binding between several properties. Is it possible ? I have a main window class named "MainWindow" which owns a property "InputText". This class contains a user control named MyUserControl. MyUserControl has a text box bound to a dependency property "MyTextProperty" I would like to bind the property "InputText" of my main window with the dependency property "MyTextProperty" of my user control. So, if the user writes a text, I want that the properties "InputText",

问题 I am quite new to Android and I am porting a C# program to android. Most of it is going fine but I have a long running problem of not being able to bind to 1 of my services. I wanted to start and bind to the service to receive sendBroadcast(intent) from the service. The intent includes the data package for displaying in the UI using sendBroadcast(intent) but that returns a nullpointer, presumably because it is not connected to the activity properly. I have followed so many different tutorials

问题 Greetings, I have a DataGrid showing a PagedCollectionView which has the total amount of records included. In total we have about 4220 records, with 20 records showing per page we have about 210 pages. Now I've been trying to implement this: When I search for a person I want to have this person show on top of the page AND have the page set to anything that is near the page it would be on. I managed to get the person on top using the example given in Linq Get items higher then lastname however

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 I've got a scenario where I have Image Sources set to null which are resolved later and then displayed. Any good way to prevent my code from throwing binding errors? An example: System.Windows.Data Error: 23 : Cannot convert '' from type '' to type 'System.Windows.Media.ImageSource' for 'en-US' culture with default conversions; consider using Converter property of Binding. NotSupportedException:'System.NotSupportedException: ImageSourceConverter cannot convert from (null). at System

问题 I've got a scenario where I have Image Sources set to null which are resolved later and then displayed. Any good way to prevent my code from throwing binding errors? An example: System.Windows.Data Error: 23 : Cannot convert '' from type '' to type 'System.Windows.Media.ImageSource' for 'en-US' culture with default conversions; consider using Converter property of Binding. NotSupportedException:'System.NotSupportedException: ImageSourceConverter cannot convert from (null). at System

问题 I'm implementing a WPF application using the MVVM pattern. The application is basically a communications panel (comms panel) with control widgets laid on top of it (e.g., dial pads, intercom lines, etc). The control widgets have also been implemented using the MVVM pattern, as this allows us to easily test them on an individual basis. I have this "dial pad" control widget, which exposes a DialedNumber public field in its view model: public string DialedNumber { get { return _dialPadModel