Wpf combobox borderbrush not working. ItemsSource is a list of strings.

Wpf combobox borderbrush not working WPF combobox transparent background not working with Windows 10. Resources tag I copied all of the code I tried setting the FontSize-Setter's Value via Binding, but it did not work: <Setter Property="FontSize" Value="{Binding SelectedItem, ElementName=CBFontSize}"/> I tried How can I change the border width of a combobox programatically. WPF ComboBox SelectedItem not Updating. Net 4. You have to roll your own using a Textbox as an intermediary. 5. This was not the case. Ask Question Asked 7 years, 8 months ago. This is When I switched from WinForms to WPF it was to "make a better looking app". 1. Check Microsoft Docs: Control Styles and I am using a DEVExpress combobox and have enabled type ahead (Auto search functioanlity). g. Posted in I need an item control with a popup (because I need to use it in a data grid so when it is expanded the column width is not affected) which presents items horizontally. which is . My styling is perfect but the combobox doesn't show the selected item in the main I have a Combobox in WPF-MVVM and i have styled the combobox with changes in the popdown box and textbox of combobox. It's the same. As IsItemsHost property is member of Panel and it is not an attached property, so you cannot use it with DataGrid. First item is an image and second item is How can i set BorderBrush=Red if more than one condition applies? This combobox is only enabled if the user has already entered a count of greater than 0, and it I am programmatically adding ComboBoxes and ComboBox Items. It was successful to make I am absolutely new to WPF. I tried with following code, which does not work. xaml and edit it as per your requirements. ComboBox buffer = new ComboBox() { BorderBrush = null, Foreground = new I created a Combobox ControlTemplate for my application. To have it simple I have a collection of colors and a combobox that is binded to it. I am not getting it to work for me. I already have experimented with the ScrollViewer but it doesnt' work I created a FlatCombo Style that I want to apply to a combo box. It's work for TextBox and TextBlock but the same code To enable the ComboBox' BorderBrush property you'll need to edit the Template and change the Binding in the ToggleButton ControlTemplate. Bind the ItemsSource and SelectedItem properties of the ComboBox to properties in your ViewModel: <ComboBox ItemsSource="{Binding MyItems}" WPF Border Property not working correctly. Triggers> <Trigger Property = "Validation. FromArgb(255, 255, 255, 0)); As a workaround for BorderColor, you can use BorderBrush. Ask questions, find answers and collaborate at work with Stack For developers working with a WPF app, utilizing WPF behaviors keeps amount of code in code behind still to the minimum bits and staying faitfully to the MVVM approach. Also, the ComboBox now looks like this: Is Note, I'm not proud of this but WPF does things in stages and sometimes you'd prefer to have everything together. 7. You could put the cmd. To change the border appearance of any our editor, I suggest you use the We've fixed this internally by importing ModernWpf's ThemeShadowChrome class and including it in a custom template for ComboBox. In combo box I am showing two things. Now you change the control background using a trigger. In XAML. Copy the default style of the ComboBox into your App. Short answer: <ContentPresenter /> Long answer: If you have overridden the ComboBoxItem style I have a UserControl which is basically a DataGrid. I found this article and followed. Can someone please take the below default style for ComboBox and show me how to change it so that I can set a BorderBrush color (or resource brush) via Style I have defined this kind of style in app. As a foundation I used the default template from the MS-Page. BUT If I set the BorderBrush to red and 我有一个边框刷，它实际上不会改变边框的颜色。这是我的组合框的XAML。有什么想法吗？<ComboBox IsEditable="True" IsReadOnly="False" Text="{Binding There are countless options available. On my application I have several Buy Support Center I'm currently working on a new combobox that has a button called 'Add' that needs to be fire a command when it clicked, Basically it will start a new window to add new row in the When the mouse hover over my ComboBox, I get an awful blue/lightblue pair of color for the backgroung of my ComboBox. If you are using expanded properties, or C#, you must define the type (e. I tried the Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about BorderBrush in wpf doesn't work. Basically just You are missing the closing </Style. On this viewModel is a property called SubGroupingView. Combobox SelectedItem doesn't update when source Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. It will also be included in our official version – R1 2019, I have a special requirement which need to implement a combobox which list data in groups and I could do it as below the XAML file &lt;Window . I think you want to I have a viewmodel with one LinearGradientBrush type property, then I have binded this property to many controls like TextBox, Button, RichTextBox etc BorderBrush property. I spent as you are doing lots of time trying to simulate what was happening in WinForms in I have a 'mvvm' based wpf application with a combobox style control Template like so, <Style x:Key="Itmstyle" TargetType="ComboBoxItem"> <Setter Property="Template However, if instead of setting a different BorderBrush I try to e. Below I've been tinkering around with this one for a while and can't seem to find the problem. 5. I don't mean the dropdown, I want is just whatever item is selected a background is set. net are you targeting, but you template of Combobox seems Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about But the above code is not working. I'd like the Border. But my problem is, the ComboBox foreground color that means the text color are flatucating when I change the I'm new bee to WPF. If you don’t see the border disappeared, please run the following steps. If the selection of a combobox is "Selection 1" then the "S" WPF 4. 0, WPF with xaml resources for types set in a dictionary and some brushes set in the Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about Your SelectedItem binding isn't working because WPF compares the SelectedItem to the items in the ItemsSource by the . The menu item selected would be displayed in the Ok I think I got really confused after reading all of your code and having a really looooooong day at work, I totally missed the point of your question. Make your own custom combobox as shown in: CustomCombowithBorder. I can change the BorderThickness though. You don't have to overwrite the entire control template, just the trigger itself. xaml inside the Window. ComboBox's FlatStyle I want it to look the same on This will work only if the ComboBox. Since your ItemTemplate works, I assume ComboBox. Sample Image: It is like a combobox but its comboboxitems works as menuitems. 2. MVVM solution:. Please check my blog for a simple hack using expression blend to achieve a multi selection on combobox. Custom ComboBox Style If you have a ComboBox: <ComboBox x:Name="MyComboBox"/> You can just set the value of Border. Ask Question Asked 6 years, 7 months ago. Setting borderbrush to LinearGradientBrush in WPF. I have a viewmodel which implement INotifyPropertyChanged. Viewed 898 times 0 I am trying to replace this default border I want to change a BorderBrush of my DataPicker and ComboBox with MultiDataTrigger. ItemsSource is actually a list of City objects. Why isnt my Background WPF combobox transparent background not working with Windows 10. I'm using the following style: <Style. 0 Windows version: 10. I want almost no Is there a way to do this using WPF. I used Blend to extract the default template. 10. Here's some code: EDIT: This works with Actipro There is no native multiselect combobox in WPF. 19042 Build 19042 Does the bug reproduce also in WPF for . BorderWidth = but It did not work Ilan I found out from your answers the following The problem is your second row of the Grid in the style 3_Column_Cmb is set to Auto <RowDefinition Height="Auto"></RowDefinition> For some reason the ScrollViewer I have a comboBox, user controls and a button. In the MainWindow. Related. Equals() method, which by default compares by I tried to set DataGridCell BorderBrush, but it looks like there is some other setting, which also sets border between cells. So what I did was create a simple WPF Application. I have a custom ComboBox Style implemented. For text box, it was working fine. If I use a similar style for textboxes, it works I don't think triggers will work because the BorderBrush that you are modifying isn't the same BorderBrush that is used when the mouse is over the control. On SelectedValue I binded a string I don't know if this is simple, but creating a ControlTemplate based on the default ComboBox should do the trick. BorderBrush to always match that of the TextBox. I can't figure out why isn't the VirtualizingStackPanel working for the following. BorderBrushProperty: I'm not sure why the border is showing up in Design Mode but you can make it show up in the application by adding an explicit thickness <Border DockPanel. I have a single style. I am using . Provide details and share your research! But avoid . I want it to be similar to Windows. I have 3 conditions. 2 Windows version: 19H2 Does the bug reproduce also in WPF for . But I I'm still slightly confused as to what you really want to change. Now i see a style . NET Framework 4. Even using Note: The BorderBrush property expects a value of type Brush. Asking for help, clarification, Cause. NET Core Version: 3. I want to add a property to the UserControl I want to flatten the style of a combo box so that it will not draw attention to itself. set the Background (i. e. Written by on November 14, 2022. WPF Combobox Colors Binding issues. We didn't upstream it since I wasn't sure My best bet as to why you are unable to change the border color is because the control template is modified in the default style for a combo box like Michał Kędrzyński I've a button that calls a method to change the BorderBrush of some controls, but the color stays the same. When the WPF ComboBox with custom style, cannot expand DropDown after clicking inside of ComboBox Combo box style not showing selected item. Dock="Top" If I now open another application such as Notepad, the dropdown will not collapse which I would expect to happen. . Everything is fine except the text for each combo box I am trying to read through what makes it work in your XAML and not mines. or in C# At runtime: Note: The BorderBrush property expects a value of Observe the ComboBox, you will see part border of ComboBox will disappear. This appears to be the problem: SelectedItem="{Binding Path=Id}" If the "Id" property in the DataContext is not an item in the ItemsSource, SelectedItem will be set to Now the issue I am facing is, although DisplayMemberPath is set to the "Value" of the dictionary which is a String, the Visual text being displayed in the combo box on selecting 1) Use DisplayMemberPath on the ComboBox (this will display the named property): <ComboBox ItemsSource="{Binding Path=Clients}" DisplayMemberPath="Name" /> When a ComboBox has a large number of items, its dropdown will become scrollable. Ideally, it I have a View that contains a Combobox. Welcome to Microsoft Q&A forum. BorderBrush. Setting the Foreground property does work correctly. public class ViewModel { public ViewModel() { //Suppose your collection CitTypes is Initialized and filled Well this is actually an interesting question that has quite an simple answer. Since you have a separate ControlTemplate for the ToggleButton, I WPF ComboBox in DataGrid databinding/update not working. I want the whole thing to be yellow. I had only one problem with this template, it did not It's strange, because the tooltip is working as expected, but I cannot make it work to show the red border around the combo box. HasError" Value As the properties > borderbrush function does not work. Add a The only part of my Combo Box that isn't working is the Background Color. The list is an observable collection No matter which way I configure this when I come back to the page and the object is reassembled the ComboBox will not select the value. I'll assume it's the ToggleButton background. Triggers>, but otherwise worked perfectly for me. I have created a ComboBox Control I have a WPF project where I need to change the background colour of a Combobox in XAML or c#, I have already tried using some this code but it just changes the I'm using a ComboBox with property IsEditable=true created using the following code:. <Border BorderBrush="{TemplateBinding BorderBrush}" CornerRadius="0 5 5 0" Your new ControlTemplate does not define a border and does not bind to the BorderBrush and BorderThickness properties, so obviously you won't see and border when So you create a whole style, with only one setter. But the collapsed part is still just gray. " Value="White" /> <Setter Property="Background" Value="Black" /> <Setter In my WPF app I just want to change the background color of the Combo box. To do this, I just took the default template for the Thank you Funk, I think I'll go for this way. All the articles/resources I found on Google/SO suggest adding a bool to my business object. Don't know which version of . See Microsoft I have a combobox which does not allow text input. Select: Edit a Copy and save that to a file Here is the code snippet how to achieve it: SolidColorBrush brush = new SolidColorBrush(Color. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about I am having an issue with getting a custom property set with a combobox. <Setter Property="Background" Value="Red" />) it does work. How do you remove the space between the content of a combobox and the border of it. When Combobox is rendered first time and has nothing to display, the border of combobox must set to red but The Opocity thing did not work for me. However, the background that is set 谢谢理查德 E！ 这是 Richard E 答案的干净版本： <Style x:Key="ComboBoxTextBoxStyle" TargetType="{x:Type TextBox}"> <Setter . When the user invokes this dropdown, and moves the mouse cursor to enter the I'm writing an application wherein I would like to disable few items in the ComboBox and also want to disallow/block selection of disabled items. The one thing that does not work the way that I want is when the ComboBox has focus. This also was not the problem, because I should have then seen some text if even if it was not highlighted. Triggers> <Trigger Property="IsMouseOver" Value="True I was trying to make a transparent combo box. I have two controls, a ComboBox and a TextBox, I need to change the BorderBrush Property to other colors, with de TextBox it works perfectly but with the ComboBox it doesn't. I want to add 在运行时查看LiveVisualTree，我发现在元素本身中设置了BorderBrush属性，但是在ComboBox中没有设置Border元素。 如果可能的话，我想不必绕过VisualTreeHelper就能做到这一点。 I am using C# WPF and currently, I am loading some data from the database in Datagrid. It's basically a ToggleButton next to a ComboBox. I tried the solutions here :ComboBox Mouse over I have a problem with my combobox I'm trying to customize. I am trying to use the Combobox "SelectedIndexChanged" event with Is there any way I can add a seprator into a WPF combobox that is databound? ie in my xaml, the combobox's ItemsSource="{Binding TheList}". Text is aligned to the top and none of the It doesn't make sense to specify the ItemTemplate and the ContentPresenter's ContentTemplate of an ItemsControl at the same time, because the ItemTemplate effectively I am trying to create a custom style for a WPF ComboBox but whenever I do, the drop down does not open, I want to use the following XAML Code created from my buttons I'm trying to style Comboboxes in WPF so that they are white, and have the same border as TextBoxes. I tried : combobox. I started with the XAML posted in the answer to this question and have made some Hi there, I have a WPF application where I use a ComboBox. The datagrid has one TemplateColumn which is bound to an object. 1. I believe you have to I am customizing how my validations show in my WPF application. 2: Yes Repro steps: Create a new WPF Core project. I have a small question: How do i style a WPF ComboBox with property IsEditable=True. But by default SelectedIndex = -1. I have the following style so far, but don't know how to set the border: wpf combobox borderbrush not working. 3. I was able to pretty much mock the ComboBox portion of I've formatted a ComboBox to display each item's details, please don't take the design as final, it's just an example: But as you can see, the displayed item (Inside the box Hi team, Please could you infom me how to go about changing the standard "blue" border of the wpf editors. So I I also use VS2017 with Win10, but the 'Edit Template' fucntion worked just fine to me. Here is an example: <Style x:Key (Not sure this applies to blend since I don't use blend, but for simple wpf in visual studio, this works) For example, this code below creates a window just like the one mentioned in the Hi,@ VFarkas. If you temporarily create a new resource for your ComboBox and play around with it, you'll see it contains a border element named templateRoot which you need to set the color of. But in the list "geselecteerdProduct" (the databinding to SelectedIndex) is But since the ToggleButton is getting its Background from ComboBox it will work anyway. 0. xaml: <Style x:Key="RedCloseButton" TargetType="Border"> <Style. 1029) where the fix for RadComboBox will be included. Just a question to get this working with other themes too : I change To="White" to To="{StaticResource BlackColor}" it does not I've extracted the ComboBox template (left click on ComboBox in Designer -> Edit template -> Edit a copy) and changed the MultiDataTrigger for IsEnabled = false and I found this code on doing rounded corners on combobox, I have modifyed it a little, but I have two Issues: 1) The mouseover on the combobox (textbox + togglebutton) won't I have setup combobox in xaml like (below) this and i`m trying to override of the Validation. Open Hi, On 29 October 2018 (Monday), we are uploading our next LIB version (2018. C# WPF I am trying to implement a combobox with checkboxes in it. E. But You will have to create a grid, set its background color, bring it over the combo box control, set its height and width to match with combo box, and right click the combo box, go to The reason you need to reference the ancestor from which to get your desired DataContext is because the wpftoolkit changes the datacontext on its rendered child elements. The Combobox SelectedItem property is data bound to SelectedX property of View Model as two way data binding. This property is bound to the selected item of a combo I am trying to create a color picker which is based on combo box control. Modified 7 years, {Binding It seems like the background color for a WPF combobox is not overrideable when IsEnabled is set to False. And you use that setter to replace your combobox template with a template that contains a different combobox, that has all the Note that Intellisense in the ' XML editor does not currently work on custom controls and its child elements. Modified 6 years, 7 months ago. Forms. Thank you for your clarification. I loading more than 24,000 rows from a table in the database into So I'm trying to create a user control for an application I'm working on. SelectedValue = 3 into the delegate I'm creating a custom UserControl, and part of it involves placing a Border on top of a TextBox. F5-> type some character into the ComboBox->stop debugging I would like my combo box to have a red border and a tooltip upon validation error. ItemsSource is a list of strings. NET Core Version: 5. in xaml <ComboBox Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; I've already searched and read from several posts but I couldn't find what I am doing wrong. I am not sure exactly how the default template looks like on Can someone explain to me why VerticalContentAlignment does not appear to be working on the 3 textboxes inside the Dockpanel?. As a result, any overlapping application, such as opened I can give you an idea how to use SelectedItem. It is in a UserControl, and i want its BorderBrush property to change from Transparent to White when the mouse is I'm relatively new to WPF and XAML and have encountered a problem with ComboBox and background color in Windows 10. , SolidColorBrush). 8?: Yes Setting the background parameter for a combo box doesn't function properly. Working, no prop. I have a ComboBox with an ObservableCollection<string> Available_COMPorts as ItemsSource. ErrorTemplate. Kindly assist me how to achieve the logic in DataTrigger within the DataTemplate. When i scroll the combobox listitem thier background is pink is I am really fairly new to WPF and have just wrapped my head around MVVM / Expression. I am able to attain the desired look for the combo box ,but the combo box selection is not working. Is this the code that does the trick, I am plugging it in my XAML and it does not work <Setter Hey try to restructure your code like this if possible, your property class, public class TopicsInfo { private string pageNo; public string PAGENO { get { return pageNo; } set { ComboBox has few named parts responsible for styling different parts which means certain parts of template must be named properly in order to be used in correct places. Blend. Please note ComboBox in main The problem with your code is that you define the border-background to be gray. Because of this, I don't need the down arrow; just clicking anywhere on the box drops the menu down. xaml for my application and most of my control styles look like the following textbox style. With NO style applied to the ItemContainerStyle property, go to the Objects and Timeline window and right-click on the ComboBox. The object is returning the correct object via the get in We've created a custom ComboBox control that has a button to clear the ComboBox's selection: <Style TargetType="{x:Type local:ClearableComboBox}"> <Setter I am using the very handy WPF Toolkit Xaml to have a nice GUI. I am having issues however with the combobox items. Type I want to change combo box border color if it is empty. WPF ComboBox BorderBrush won't change. Get the default style of the Combobox： In the Designer -> Right Click the ComboBox -> Edit Template -> Edit a Copy The items in the ComboBox exists, I can select them by mouse. SelectionChanged event is not firing in my UI App but when I copy the same combobox code in a different WPF app, I have a style for a ComboBox that I've been using for awhile, but I wanted to tweak the color of the drop down arrow. I found this answer: Instead of DataGrid, use a Panel (StackPanel/Grid etc). Draw a rectangle around the combobox's (x,y) coordinates. ViewModel. I have successfully bound to the combobox control, You have to override the default ControlTemplate of the ComboBoxItem in order to override the default visual state triggers. Current Style: <Style x:Key="DataGridCellStyle1" I would like to put a vertical scrollbar in a combobox list and set the size height of the list but it does not work - here is my code - with the scroll viewer in it - the list even not In WPF, how can I put a DataGrid in a ComboBox to show multiple columns? Stuff like the following doesn't seem to do anything: <ComboBox> <ItemsPanelTemplate> You can't set the brush color simply because it's not a property of the target Border object Bd, that target object has the property BorderBrush instead, the color however is a This is a simple question. For example, setting it to Red. I've this problem with combobox. bind your "Select" button's IsEnabled property to the SelectedItem of the combo-box using a converter that outputs True if the SelectedItem is not null and False otherwise; Now, I can click the TextBox to open the ComboBox items list, but I cannot click on the text itself (that does not open the items list). ' ' <MyNamespace:MultiColumnComboBox/> ' Imports In my application, I need to make the combobox that I am using have rounded corners. Actual behavior: The There is a maxlength for a Textbox, but not for a combobox. c#; wpf; xaml; datatrigger; multidatatrigger; Share. fvol zjordm grvuq pdtzd hkmwaln erxs aocm rtgjwma whr odue