Windows Presentation Foundation
A part of the .NET Framework that provides a unified programming model for building line-of-business desktop applications on Windows.
2,673 questions
0 answers
How do I determine what resolution the camera barcode scanner is setting the camera to?
This link shows the required resolution of the camera to be used with the MS Camera barcode scanner. https://learn.microsoft.com/en-us/windows/uwp/devices-sensors/pos-camerabarcode-system-requirements How do I actually set the resolution of the camera or…
asked 2020-07-06T19:54:39.693+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(150.4, 38%, 24%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EKW%3C/text%3E%3C/svg%3E)
Kerry White
1
Reputation point
commented 2020-07-07T16:08:34.467+00:00
Kerry White
1
Reputation point
2 answers
One of the answers was accepted by the question author.
WPF: How to make two panels share the same vertical scroll bar and each panel owns itself horizontal scroll bar?
We need to a create new WPF tool to compare two files. This compare tool shows the contents of two files line by line and indicates the difference in the same line. First we create two ListViews to display both source file and target file. So each…
asked 2020-07-06T23:55:11.637+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(134.4, 57.00000000000001%, 23%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJC%3C/text%3E%3C/svg%3E)
Jane Chen - Applied BioCode
21
Reputation points
accepted 2020-07-07T15:39:48.547+00:00
Jane Chen - Applied BioCode
21
Reputation points
1 answer
WPF Window size limitation
There seems to be some limit to the size of a WPF window and the monitor resolution I’d like to understand. My application creates a window 4320 x 7680. The computer has a graphics adapter with (4) outputs connected to (4) very large 4K LCD monitors in…
asked 2020-06-23T13:38:15.917+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(179.20000000000002, 6%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EBK%3C/text%3E%3C/svg%3E)
Bruce Kingsley
1
Reputation point
answered 2020-07-07T00:03:19.507+00:00
Bruce Kingsley
1
Reputation point
1 answer
One of the answers was accepted by the question author.
Toolbar wpf
Hi. How do I remove the default separator of the toolbar in WPF? Thank you.
asked 2020-07-02T18:19:38.333+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(281.6, 64%, 37%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDA%3C/text%3E%3C/svg%3E)
Diego Alvarez
101
Reputation points
commented 2020-07-06T12:32:22.057+00:00
Diego Alvarez
101
Reputation points
1 answer
One of the answers was accepted by the question author.
Draw a Arrow WPF
Hi. How to use the Line object to draw an arrow?
asked 2020-07-05T17:02:27.443+00:00
Diego Alvarez
101
Reputation points
commented 2020-07-05T21:09:51+00:00
Diego Alvarez
101
Reputation points
4 answers
One of the answers was accepted by the question author.
Placeholder textbox wpf
Is there a property, tag or element that allows adding placeholders to textboxes in WPF? Thank you.
asked 2020-07-02T18:26:40.217+00:00
Diego Alvarez
101
Reputation points
answered 2020-07-05T16:44:57.077+00:00
Diego Alvarez
101
Reputation points
2 answers
How to let my WPF app respond to default app mode
There is "choose your default app mode" in Win10 setting with two options, "Light" and "Dark". I know an UWP app automatically respond to the setting and change its appearance automatically. Now the Win32 common file open…
asked 2020-07-01T12:55:50.12+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, 95%, 13%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDN%3C/text%3E%3C/svg%3E)
Dorlig Na
1
Reputation point
answered 2020-07-04T11:19:34.367+00:00
Ken Tucker
5,846
Reputation points
2 answers
One of the answers was accepted by the question author.
get the shape after applying geometry
hi i have applied a render tranform to a System.Windows.Shapes.Line and i don't know how to get line X1, Y1, X2, Y2 after transform. any help will be appreciated, thanks in advance.
0 answers
What technologies should be used for a desktop application on remote buildings?
I am used to .net development. I plan to make a WPF application, with an SQL database, ideally with a small public web part and a part in Xamarin. It must therefore be able to transit via the Internet while remaining private, but not always. Take a…
asked 2020-07-02T09:14:58.523+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(19.2, 27%, 11%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ENH%3C/text%3E%3C/svg%3E)
Nicolas HAENEN
1
Reputation point
commented 2020-07-03T07:22:19.61+00:00
DaisyTian-1203
11,616
Reputation points
0 answers
Converting EMF to PNG preserves/displaying Excel cell with No Color data
Hi, We have NT EMF virtual printer, We have Excel sheet (contains each cell data with no color) show that no color cell will not be printed. When we print that Excel sheet to our virtual printer, it will print EMF data to or WPF application. …
asked 2020-06-25T09:47:06.23+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, 5%, 37%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAK%3C/text%3E%3C/svg%3E)
Ashok Kumar
1
Reputation point
commented 2020-07-03T07:08:46.147+00:00
Ashok Kumar
1
Reputation point
1 answer
How to specify using the default style in XAML?
The basic problem is that a WPF application I'm working on makes extensive use of Material Design. The problem I'm running into is that it appears that the DatePicker style makes it very difficult to apply a converter to get its output to look like…
asked 2020-06-30T19:18:10.64+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, 9%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERH%3C/text%3E%3C/svg%3E)
Richard Haggard
6
Reputation points
answered 2020-06-30T22:39:34.017+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
6,591
Reputation points MVP
2 answers
One of the answers was accepted by the question author.
[WPF] Soft Keyboard Shows, Then Hides, in Popup Window
My WPF application is targeting .NET Core 3.1. It runs on Win10 laptops and Surface Pro tablets (in tablet mode). The tablet is running Win10 Update 1909. The app has a popup window for the user to enter a Username and Password. When the user taps on…
![](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(140.8, 69%, 23%)' 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)
2 answers
One of the answers was accepted by the question author.
binding to abstraction collection of abstraction class
hi , i have : public class Tangent { public IPoint2d StartPoint {get; set;} ... } ... public IList<ITangent> Tangents = new ObservableCollection<ITangent>(); Tangents.Add(new Tangent(new Point2d())); ... <ListBox …
6 answers
One of the answers was accepted by the question author.
WPF Foreground Color in a DataGrid, Change via Code (C#)?
Hi, I need to Change a Foreground Color in a DataGrid Line, here ist the XAML Code from the Line in the DataGrid: <DataGridTemplateColumn Header="Nr " Width="38" CanUserSort="True"…
asked 2020-06-28T15:13:24.553+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(28.799999999999997, 37%, 12%)' 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)
Bernd Riemke
41
Reputation points
accepted 2020-06-29T14:30:07.927+00:00
Bernd Riemke
41
Reputation points
1 answer
WPF DataGrid column header mouse events
I have following events with subscriptions in the class, derived from DataGrid: private void SubscribeHeaders(DependencyObject sender = null) { sender = sender ?? this; for (int childIndex = 0; childIndex <…
asked 2020-06-29T06:23:36.72+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, 96%, 38%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAC%3C/text%3E%3C/svg%3E)
Arli Chokoev
1
Reputation point
answered 2020-06-29T08:41:13.04+00:00
DaisyTian-1203
11,616
Reputation points
1 answer
wpf custom control property of type class
hi i'm trying to create a custom control with a public property Boundary of type MovingBoundary(as below), but when i'm trying to use my custom control in a xaml i cant't initialize Boundary property. <custom:MyCustomControl …
asked 2020-06-25T12:42:24.607+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 2020-06-29T07:40:09.767+00:00
DaisyTian-1203
11,616
Reputation points
1 answer
One of the answers was accepted by the question author.
WPF ViewModel DataContext between UserControl Windows
Hi, have anyone a small sample for me like this: Master Window Sub Window In the Sub Window is a UserControl Window How can i send data via datacontext from the Master Window to the UserControl Window? I can set the first data easy from…
asked 2020-06-15T09:26:46.217+00:00
Bernd Riemke
41
Reputation points
commented 2020-06-28T15:16:19.727+00:00
Bernd Riemke
41
Reputation points
0 answers
How know WPF DataGrid ItemsSource bind finish
Datagrid control ItemsSource Attribute bind List, but , I donot know When is the data loaded ?
![](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, 91%, 13%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3E9%3C/text%3E%3C/svg%3E)
1 answer
One of the answers was accepted by the question author.
class property access in parent only
hi, i'm new to c#, i want solve this problem : public class Location { public int X { get; set; } public int Y { get; set; } public Location() : this(0, 0) { } public Location(int x, int y) { X =…
0 answers
MVVM & Microcontrollers
I am creating an application that can control a micro controller. So the GUI allows me to say things like Define if a particular pin is an input pin or output pin. So there is a combo box with [In, Out] values. Integer (or other) text fields that…
asked 2020-06-25T20:55:23.393+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(182.40000000000003, 18%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EH%3C/text%3E%3C/svg%3E)
hfaun
1
Reputation point
commented 2020-06-26T06:23:29.263+00:00
DaisyTian-1203
11,616
Reputation points