Hi, I'm using a BooleanToVisibilityConverter in WPF to bind the Visibility property of a control to a boolean. This works fine, but I'd like one of the controls to hide if the boolean is true, and show if it's false. Is this possible? Thanks, Andy ...
Hi, I am having a property of int type in my view model which is bound to a text box. Everything works properly, two way binding works fine except in one case - If i clear the value of text box, property setter doesn't gets called and although value is cleared in text box, property still holds the previous value. has anyone faced simi...
I have a text input area defined like this: <TextBox> <TextBox.Text> <Binding Path="MyProperty"> <Binding.ValidationRules> <valid:MyValidator/> </Binding.ValidationRules> </Binding> </TextBox.Text> </TextBox> My problem is that, dependi...
I have a Popup defined like this: <Popup Name="myPopup" StaysOpen="True" Placement="Bottom" PlacementRectangle="0,20,0,20" PlacementTarget="{Binding ElementName=myPopupAnchor}"> <TextBlock ... /> </Popup> I have added event handlers to the myPopupA...
Hello, I am developing a user control in wpf where I need to set eclipse background color as per value in database. Now that field contains values between 1 to 6. now I want that according to values in of that field my eclipse should have different color. I have defined 6 different brushes in resources. Their key values contain 1 to 6 n...
Is there a way to do a comparison on object type for a trigger? <DataTrigger Binding="{Binding SelectedItem}" Value="SelectedItem's Type"> </DataTrigger> Background: I have a Toolbar and I want to Hide button's depending on what subclass is currently set to the selected item object. Thanks ...
Hi, I have a question on WPF dynamic positioning. I want to place Elipses on the screen based on X and Y co-ordinates that i have stored in a collection in C#. I have been made aware of the drawing ability in WPF which you do from C# using the Windows.Media and Windows.Shapes. Now what i actually want to do is use these namespaces...
Hi a quick question really in WPF. Does anyone know how i can bind a combo box that will sit in a grid to a dataset that i have. The dataset contains several columns and numerious rows but i want to take one of the columns, lets say ProcessID and just show that in the comobo box. Has anyone done this before or know how it can be don...
Hi, I'm currently trying to bind to certain items in a collection in wpf. This is best explained by an example. My XAML is below: <Canvas Name="TaskCanvas" Width="467.667" Height="414"> <Ellipse Name="myElipse" Fill="White" Stroke="Black" Width="126" Height="76" Canvas.Left="{Binding Path=XPos}" Canvas.Top="{Binding Path...
Hello. I am using a DataTemplate (a StaticResource) in several places in my application as in an ItemsControl, ContentControl and in a ToolTip. The template contains an Expander, and I want its IsExpanded property to be true if the DataTemplate is located within a ToolTip. Any recommendations? ...
In WPF Binding.Mode, when selecting Default, it depends in the property being binded. I am looking for some list or some convention or any information for the defaults for the various controls. I mean, what properties is TwoWay by default and so on. Any links, ideas, thoughts and even rants are welcommed! ...
Set ItemsSource of a ComboBox to an Array of Integers? ...
Can an object created in the code (ie C#) be used for binding in the XAML? For example: public class MyForm { private MyComplexObject complexObject; public MyForm() { InitializeComponent(); } public OnButtonClick(object sender, RoutedEventArgs e) { complexObject = new MyComplexObject(); } }...
I see several people saying that WPF can use "Custom Type Descriptors" for "Change notification". The ways I know how to do Change Notification are: object.GetBindingExpression(Bound.property).UpdateTarget(); Or have my object implement INotifiyPropertyChanged. I see comments saying that Custom Type Descriptors will work too, but no...
I have the following DataTemplate: <DataTemplate DataType="{x:Type Client:WorkItem}"> <Grid> <Grid.RowDefinitions> <RowDefinition Height="Auto" /> <RowDefinition Height="Auto" /> <RowDefinition Height="Auto" /> </Grid.RowDefinitions> <Grid.ColumnDefinitions> <Co...
There are a lot of intros to DataBinding out there. But they leave out a lot of the databinding options. Does anyone know a good reference / instructional document that goes through most/all of the wpf databinding options? ...
I have a template in my section. I want to bind the Width of one of the values in that template to the width of a control in my Main XAML section. Can this be done? Expression Blend only shows the Template in the Binding list. For example, this is what I am wanting to have work: <Windows.Resources> ... My template stuff <Grid.Co...
I have a DependencyObject class composition that looks like the following: public class A : DependencyObject { public AB AB { get { ... } set { ... } } public AB AC { get { ... } set { ... } } } public class AB : DependencyObject { public string Property1 { get { ... } set { ... } } public string Property2 { get { ... } set { ... }...
I have a template for a ListBox. In the ListBox I have a template on the ListBoxItems. I want to disable some of these items (I am still working on what I want to use to make the "event" fire, so I have just put in IsSelected for now) My issue is that I need to get at some of the data for the ListBoxItem to know if it should be disabl...
I have the following data trigger on the ListBoxItems in my Multi-selection ListBox <DataTrigger Value="True"> <DataTrigger.Binding> <MultiBinding Converter="{StaticResource DisableWorkItemConverter}"> <Binding ElementName="MainForm" Path="PickedWorkItemID"/> <Binding Path="Id"/> </MultiBindin...