Windows Presentation Foundation
A part of the .NET Framework that provides a unified programming model for building line-of-business desktop applications on Windows.
2,705 questions
0 answers
Directory.CreateDirectory() not working.
I have created one wpf core windows app. I have to create folder for save database file. But Directory.CreateDirectory() method is not working after publishing the app on local machine. No exception log in log file. Code is also working on visual sutdio.…
asked 2020-05-26T04:56:47.567+00:00
SatnamSingh
1
Reputation point
commented 2020-05-27T05:13:54.797+00:00
Alex Li-MSFT
1,096
Reputation points
2 answers
One of the answers was accepted by the question author.
Visual Studio 2010 - How to fix C# WPF Tab Hover Color to NOT change color when Tab is set to background custom color?
In my Visual Studio 2010 C# WPF Application, I have 7 tabs with alternating colors which is what my client needs. They do not like the Hovering over the tab with a mouse and having the background color of the tab change even though the tab is not getting…
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(208, 9%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EB%3C/text%3E%3C/svg%3E)
1 answer
How to Create Setup/Installer exe file from Visual Studio C# (WPF) project
I have one WPF (C#) solution, which contain 4 projects (Please check the picture), and some icons. I want to create setup/installer exe file. How can I do that? I have tried Installshield and Advance Installer Project but its not even debugging. …
asked 2020-03-22T15:11:47.43+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(259.20000000000005, 14.000000000000002%, 35%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECT%3C/text%3E%3C/svg%3E)
Crown Trading International
1
Reputation point
commented 2020-05-25T01:51:39.58+00:00
Lex Li (Microsoft)
5,157
Reputation points Microsoft Employee
0 answers
WPF in AppDomain and System.Runtime.Remoting.RemotingException
I created AppDomain where is created WPF application. Everything working untile some time pass, then I got this exception: System.Runtime.Remoting.RemotingException: Object *.rem has been disconnected Even when I have opened window with WPF GUI, it is…
asked 2020-03-21T21:47:19.797+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(192, 19%, 28%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECW%3C/text%3E%3C/svg%3E)
Code Wanderer
396
Reputation points
commented 2020-05-25T01:41:15.287+00:00
Lex Li (Microsoft)
5,157
Reputation points Microsoft Employee
1 answer
How to reduce the size of a MSIX .Net Core 3.1 installation?
I have a WPF/.Net Core 3.1 app that I'm packaging as an MSIX for submission to the Store. If I publish the app as a sideloading .msixbundle then install it, the resulting directory is WindowsApps is huge. I assume that's all of .Net Core. But most of the…
asked 2020-04-20T22:02:07.5+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(220.8, 7.000000000000001%, 31%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECB%3C/text%3E%3C/svg%3E)
Chuck Bohling
346
Reputation points
answered 2020-05-25T01:23:50.087+00:00
Lex Li (Microsoft)
5,157
Reputation points Microsoft Employee
0 answers
Why did they move WPF forum?
I am curious as to why the WPF forum from MSDN was moved to this docs? It was working, more focused and solving issues. This seems like a lost cause? Sorry for asking this, but I really like WPF and this seems a like a step in the wrong direction…
asked 2020-05-18T02:39:01.727+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(188.79999999999998, 97%, 28%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EVK%3C/text%3E%3C/svg%3E)
Vijay Kamat
1
Reputation point
commented 2020-05-25T01:20:38.303+00:00
Lex Li (Microsoft)
5,157
Reputation points Microsoft Employee
0 answers
How to aquire access between two pages in wpf
Hai I have two pages in my main window side by side. Page1, Page2 is loaded in two frames in main Window frame1 and frame2. Page1 has a datagridview with observation collection of product name. Page2 has a datagridview with observation collection…
asked 2020-05-23T08:59:31.313+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(12.8, 20%, 11%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EBR%3C/text%3E%3C/svg%3E)
Babu R
81
Reputation points
commented 2020-05-23T09:40:27.433+00:00
Peter Fleischer (former MVP)
19,306
Reputation points
2 answers
Selecting, deselecting ListView items by code...and manually
Hi, Working with a list of about 50,000 items, I must be able to select/deselect items code behind. I first tried to achieve this through UI. For instance, to deselect a selection: foreach (ListViewItem item in ListView_DB_Edit.Items) …
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(44.800000000000004, 88%, 14%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJD%3C/text%3E%3C/svg%3E)
2 answers
One of the answers was accepted by the question author.
WPF DataGrid.ItemsSource in DataGrid inside another DataGrid's RowDetails XAML causing Visual Studio 2019 to crash and exit
That might sound a bit complicated, but I have a datagrid inside the rowdetails of another datagrid in a WPF window. I recently installed version 16.5.3 of VS2019. The WPF window builds and executes successfully, but if I try to edit the .xaml file,…
asked 2020-04-10T09:14:52.137+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(112.00000000000001, 92%, 20%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMW%3C/text%3E%3C/svg%3E)
Mike Whalley
71
Reputation points
commented 2020-05-18T10:54:31.767+00:00
Mike Whalley
71
Reputation points
5 answers
Setup WPF Data Template With Class in Another Mudule
Trying to bind a TreeView to a class that's in a module. I was fortunate to get this fabulous example from Peter Fleischer. In it he uses: xmlns:local="clr-namespace:WpfApp1" Then later: <HierarchicalDataTemplate DataType="{x:Type…
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(25.6, 57.99999999999999%, 12%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EKK%3C/text%3E%3C/svg%3E)
1 answer
Need to move tab focus to the popup element
I have custom control, in which i need to provide keyboard navigation support for all elemenst used in it, but I have failed to move tab focus to popup element on button click. Please find the code for reproducing.I have used move focus method to…
asked 2020-05-15T04:13:34.353+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(38.4, 51%, 13%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMS%3C/text%3E%3C/svg%3E)
Magesh Sankar
36
Reputation points
answered 2020-05-18T02:27:09.077+00:00
Alex Li-MSFT
1,096
Reputation points
1 answer
One of the answers was accepted by the question author.
VB2015 Programming Question Accessing Object Properties
I want to access an objects properties using a string and not the specific object name. Example: Radio Button name is rdb11. Set a string variable strObject = "rdb11" then attempt to change the objects properties using the string…
asked 2020-05-15T15:50:18.68+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(0, 38%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EGC%3C/text%3E%3C/svg%3E)
Glenn Currie
21
Reputation points
commented 2020-05-15T16:41:58.31+00:00
Glenn Currie
21
Reputation points
3 answers
One of the answers was accepted by the question author.
How to do arithmetic with textboxes
I have two textboxes on a wpf window that contain numeric values; call them txt1 and txt2. I want a third textbox (txt3) to show the difference between those two values. I created a Property in code-behind called Diff defined as: Diff =…
asked 2020-04-30T20:24:22.7+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(12.8, 34%, 11%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ER7%3C/text%3E%3C/svg%3E)
RogerSchlueter-7899
1,236
Reputation points
commented 2020-05-14T04:48:17.447+00:00
RogerSchlueter-7899
1,236
Reputation points
1 answer
WPF - Is there a way to get Windows to ignore the manual WindowStartupLocation I'm using for a particular window?
I'm using WindowStartupLocation.Manual to open a window on my app and I wonder if there is a way to tell Windows to ignore that location and do not open the next window after this one (where it is not mentioned a specific location for it) following my…
asked 2020-05-12T08:53:20.903+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(121.6, 77%, 21%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EKC%3C/text%3E%3C/svg%3E)
Karmel Cohen
1
Reputation point
answered 2020-05-14T00:18:40.347+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(288, 37%, 37%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EG%3C/text%3E%3C/svg%3E)
gekka
7,911
Reputation points MVP
1 answer
One of the answers was accepted by the question author.
adding stacked pages in xaml at runtime
hi what is the appropriate way to show pages vertically (something like MS word...) and adding pages at run time? thanks in advance.
1 answer
copging UIElement
hi, i'm trying to copy UIElement, and it always gives me the same error. here method i'm trying: public static UIElement cloneElement(UIElement orig) { if (orig == null) { return…
asked 2020-05-11T08:50:19.76+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(297.6, 56.00000000000001%, 38%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EE%3C/text%3E%3C/svg%3E)
essamce
621
Reputation points
commented 2020-05-13T09:00:36.21+00:00
Alex Li-MSFT
1,096
Reputation points
0 answers
How do I bring my UserControl (or whatever control is suitable) out of the Main Window and drag it around?
Hi, I am working on a project where I need to have a panel which can be dragged around and should not be restricted by the Window bounds. User should be able to drag it right out of the main window and onto a second monitor if he chooses it. When…
asked 2020-05-06T13:27:29.22+00:00
Vijay Kamat
1
Reputation point
commented 2020-05-13T03:11:40.84+00:00
Vijay Kamat
1
Reputation point
1 answer
One of the answers was accepted by the question author.
Using UWP's FileOpenPicker in a WPF app fails.
I'm trying to use UWP's FileOpenPicker with a WPF app but it's not working. It sounds like it should. At first, when I called FileOpenPicker.PickMultipleFilesAsync, it failed with an "invalid window handle". I found some code online that fixes…
asked 2020-05-11T18:35:56.8+00:00
Chuck Bohling
346
Reputation points
accepted 2020-05-13T01:21:45.723+00:00
Chuck Bohling
346
Reputation points
1 answer
One of the answers was accepted by the question author.
ToolBar as usercontrol
hi i'm building kinda large scale wpf (with mvvm) project and i want to define some ToolBars for some different/logically separated views, then collected them in the application mainwindow(main view), here is one of them: <UserControl …
1 answer
One of the answers was accepted by the question author.
Popup sporadically flickers when setting margin (after animation)
I'm creating a drop-down button which consists of a ToggleButton and a ContextMenu. The menu opens when the button is clicked and is aligned with the button using a CustomPopupPlacementCallback. I apply a customized animation to the menu when it…
asked 2020-05-06T16:21:18.013+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(6.4, 99%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMN%3C/text%3E%3C/svg%3E)
mister.nobody
101
Reputation points
accepted 2020-05-11T17:03:18.217+00:00
mister.nobody
101
Reputation points