I would like to use a WPF ToggleButton to expand and collapse some controls in my application. How can I use XAML to accomplish this? I'm thinking that I could somehow bind the Visibility attribute of some controls to the ToggleButton's IsChecked state, but I do not know how to do this. Maybe I need to give my ToggleButton a Name, then...
In WPF i can make my UI using .NET 2.0 style like designer.cs, my question is what are the advantages of using XAML for UI design instead of code. ...
I'm trying to add a ToolTip to a Grid using a Style (as follows): <ResourceDictionary> <Style x:Key="ToolTipGrid" TargetType="{x:Type Grid}" x:Shared="False"> <Setter Property="ToolTip"> <Setter.Value> <ToolTip> <Grid> <Grid.ColumnDefinitions> <ColumnDefinition /> <ColumnDefinition /> </Grid.Colu...
Using VS 2008, or Blend 3, is there any way I can get intellisense for the available properties when creating styles in XAML? I thought I heard there was a third-party freebie that did this. In the snippet below, I want intellisense for the properties like FontSize, Margin, Width, etc. <Style x:Key="MyTextBoxStyle" TargetType="TextBox"...
Hmmm. . . I'm losing my mind. . . or am I? I'm creating a WPF app for some basic data entry. I'm using textblocks to label the textboxes but ran into a snag. Why can't I vertically center the textblocks? I can't change the vertical alignment at all. Regardless of what I value I set on the property, the textblocks remain at the top. I wa...
I am doing something like this in a Silverlight 3 datagrid: for (int x = 0; x < ThisForecast.Periods.Count; x++) { var TextColumn = new DataGridTextColumn(); TextColumn.Header = ThisForecast.Periods[x].Name; TextColumn.Binding = new Binding(String.Format("Periods[{0}].Quantity", x)); TextColumn.Binding.Mode = BindingMode.Two...
I've been looking at the following example on how to style the combo box, but I haven't been able to create a focus effect when going into a editable combo box. Whenever the combo box receives focus, it should go into edit mode and the component should have a focus style. The basic problem is that whenever I go into the edit mode, it's...
I'm trying to wire up a slider and textbox such that the textbox controls the slider position and the slider position is reflected in the textbox. This is a basic two-way element-to-element binding. What I have - The slider position displays in the text box. Adjusting the slider is reflected by an updated value in the textbox. This work...
How would I create a validation rule to ensure Value2 has the same value as Value1? If a validation rule is not the best method then what would be better? I could have the TextChanged event handle this, but I'm wondering if there is something more elegant. <TextBox Name="Value1TextBox"> <TextBox.Text> <BindingPath Path="Valu...
I am trying to learn to bind the following simple XML file to a WPF TreeView: <?xml version="1.0" encoding="utf-8" ?> <Profiles> <Customer> <Name>Customer1</Name> <Profile> <Version>1.0</Version> <DisplayText>DisplayText1</DisplayText> </Profile> <Profile> <Version>1.0</Version> <DisplayTex...
I have an ItemsControl that contains items that each has its own DataTemplate. Each ViewModel class in the ItemsSource derives from a common ancestor that has a Header property. I want to wrap each item in a Expander control, but my problem is that I don't know how to 'carry over' each 'DataTemplate' to the DataContext of the expading p...
I want to do something like <DataTrigger Binding="{Binding Something}" ValueIsNot="{x:Null}"> ...
Studying XAML now, I keep seeing XAML tags in the format Object.Attribute. For example: <Deployment.OutOfBrowserSettings> OutOfBrowserSettings ShortName="Hello World" > Don't recall seeing XML attributes like this before, always would see simple words, or possible a namespace column prefix such as x:application. So, to express a...
I have a dialog that lets the user pick a custom icon. Loaded icons are displayed in a combobox in which the user makes the selection. Here is the XAML code for the combobox: <ComboBox Style="{DynamicResource IconComboBox}" ItemTemplate="{StaticResource IconTemplate}" ItemsSource="{Binding Icons, RelativeSource={RelativeSource Fin...
As we all know, if the icon for a wpf window is undefined then the default icon is displayed. I want to display a window without any icon in the title bar. I realise that I could use a blank image, however this would cause the text in the title bar to be offset to the right. Does anyone know of a way to completely remove the icon? (I t...
private TextBlock _caption = new TextBlock(); public TextBlock Caption { get { return _caption; } set { _caption = value; } } <l:CustomPanel> <l:CustomPanel.Caption Text="Caption text" FontSize="18" Foreground="White" /> </l:CustomPanel> Gives me the following error: Cannot set properties on property elements....
I have an Image control that contains a path to an embedded image (build action 'resource'). <Image Source="Assets/images/image.png" Stretch="None" /> If I add that to a container in my MainPage.xaml the image appears fine. When having the same image in a UserControl as shown below, and then adding an instance of that UserControl on M...
I was wondering if it's possible to write something like this: <Window ... xmlns definitions ... DataContext=<!--Create an instance here--> ></Window> Instead of this: <Window ... xmlns definitions ... > <Window.DataContext> <local:CustomViewModel /> </Window.DataContext> </Window> I don't need workaroun...
Any suggestions would be appreciated. Does not have to be free. ...
Hi All, I wan't to control DataGrid columns visibility through a contextmenu available to the user by right-clicking the column header. The contextmenu displays the names of all available columns. I am using MVVM design pattern. My question is: How do I bind the DataGridColumns Visibility property to the Ischeked property of a MenuItem...