Windows Presentation Foundation
A part of the .NET Framework that provides a unified programming model for building line-of-business desktop applications on Windows.
2,710 questions
2 answers
One of the answers was accepted by the question author.
Adding encrypted file into a database and retrieving them
Hi, I'm trying to write an encrypted XML file into a database table and also read from it. I use Microsoft SQL server management studio 18 and have a very basic database with a table containing XML digital signature file in one of its columns as…
asked 2020-07-22T01:29:27.87+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(83.2, 20%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EEM%3C/text%3E%3C/svg%3E)
Enkhbold Munkhbold
136
Reputation points
accepted 2020-07-28T03:01:54.197+00:00
Enkhbold Munkhbold
136
Reputation points
0 answers
WPF - C# Desktop App - DateGrid - IValueConverter
Hello, The converter is pretty powerful and I can do a lot with it. Perhaps this mechanism is an advantage over WinForms. When and why do I need this line? That would be the question of this thread. [ValueConversion(typeof(string),…
asked 2020-07-26T15:36:32.44+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(316.8, 38%, 40%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMF%3C/text%3E%3C/svg%3E)
Markus Freitag
3,786
Reputation points
commented 2020-07-27T07:38:33.88+00:00
DaisyTian-1203
11,621
Reputation points
3 answers
One of the answers was accepted by the question author.
WPF - C# Desktop App - DateGrid - TextAlignment Center for the cells
Hello, <DataGrid Grid.Column="1" ItemsSource="{Binding View2}" IsReadOnly="True" AutoGenerateColumns="False" Margin="54,669,429,22"…
asked 2020-07-25T19:32:32.653+00:00
Markus Freitag
3,786
Reputation points
commented 2020-07-27T06:21:55.41+00:00
Markus Freitag
3,786
Reputation points
2 answers
One of the answers was accepted by the question author.
How to set DataGrid styles when using DataTable as data resources
Hi, guys. When I use ObservableCollection<T> as the data resource for DataGrid, I need to bind each column with a field and can set styles for the column as well. However, when use DataTable as the data resource for DataGrid, I just need to bind…
asked 2020-07-24T03:31:07.807+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(76.8, 94%, 17%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EFK%3C/text%3E%3C/svg%3E)
Fanhua Kong
241
Reputation points
commented 2020-07-27T04:20:18.427+00:00
Peter Fleischer (former MVP)
19,316
Reputation points
1 answer
One of the answers was accepted by the question author.
wpf RadioButton control
hello, I have a ****.png picture. I want to turn the content into pictures. Who can help me.... thanks c# code : <RadioButton GroupName="Group_1" Name="Option_1" Content="Test" Visibility="Visible"…
![](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)
6 answers
One of the answers was accepted by the question author.
WPF - C# Desktop App - Ellipse - background depend from state
Hello, <Ellipse Grid.Column="1" Fill="#FFF4F4F5" HorizontalAlignment="Left" Height="100" Margin="926,664,0,0" Stroke="Black" VerticalAlignment="Top" Width="100"/> I…
asked 2020-07-25T19:37:22.457+00:00
Markus Freitag
3,786
Reputation points
accepted 2020-07-26T18:30:12.13+00:00
Markus Freitag
3,786
Reputation points
7 answers
One of the answers was accepted by the question author.
Log Assembly for C#
Hello, I need a tool that creates log files for me without blocking the application should be done in parallel. Furthermore I need to be able to store the log file in this format. <NameOfApplication><YYYY-MM-dd>.log If the size…
asked 2020-07-09T09:41:58.343+00:00
Markus Freitag
3,786
Reputation points
commented 2020-07-25T14:31:34.013+00:00
Peter Fleischer (former MVP)
19,316
Reputation points
2 answers
WPF binding with List of object but index as row and columns
Hallo Ok we are new to WPF and realised the old DataTable with link as datasource to a datagridView is not possible. So populated our data in a List of Objects but the objects can be variable based on data we recieve from SQL, the dataGrid needs…
asked 2020-07-23T07:08:26.813+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, 3%, 21%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJL%3C/text%3E%3C/svg%3E)
jacques labuschagne
1
Reputation point
answered 2020-07-24T09:29:37.973+00:00
Peter Fleischer (former MVP)
19,316
Reputation points
2 answers
One of the answers was accepted by the question author.
AxMSComctlib and MSComctlLib Evolution
Hello, thanks for reading! I am upgrading a old app from Vb6 to VB.net (WPF application), and I would like to know what became the AxMSComctllib and MScomctlLib, did they had an upgrade and changed name? did they got integrated in another wider…
asked 2020-07-22T13:57:27.407+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(83.2, 83%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ETO%3C/text%3E%3C/svg%3E)
Théo Bainée
21
Reputation points
accepted 2020-07-23T06:51:17.73+00:00
Théo Bainée
21
Reputation points
1 answer
How to make WPF TabControl‘s first TabItem on the left and others on the right?
How to make WPF TabControl‘s first TabItem on the left and others on the right?
asked 2020-07-23T02:35:44.617+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, 34%, 31%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EZ%3C/text%3E%3C/svg%3E)
ZCShou
1
Reputation point
answered 2020-07-23T06:51:00.237+00:00
DaisyTian-1203
11,621
Reputation points
2 answers
One of the answers was accepted by the question author.
Ensuring Windows Server 2016/2019 Is Properly Configured to Accept Requests from an FTP Client
I have a C# program that makes it easy to transfer files using the ftp protocol. It works fine on Server A. But on Server B it throws an exception after the data channel is "connected," at the point where it tries to "connect" the…
asked 2020-07-20T12:14:54.41+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, 32%, 28%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMR%3C/text%3E%3C/svg%3E)
Mark Rockman
131
Reputation points
commented 2020-07-21T13:57:04.093+00:00
TimCerling(ret)
1,156
Reputation points
3 answers
One of the answers was accepted by the question author.
Binding MVVM backcolor textbox
Hello, I need this feature. Is the textbox empty the backcolor should be 'light red' Is the textbox string length > 0 empty the backcolor should be 'light green' Please help me, how I can solve it. Thanks a lot.
asked 2020-07-17T06:07:00.027+00:00
Markus Freitag
3,786
Reputation points
accepted 2020-07-18T14:57:06.31+00:00
Markus Freitag
3,786
Reputation points
3 answers
One of the answers was accepted by the question author.
C# WPF Access from ViewModel to MainWindow
Hello, I have this. public class ViewModel : INotifyPropertyChanged { The goal is to get access from ViewModel to MainWindow. So I can change the color and so one. public partial class MainWindow : Window { public MainWindow() …
asked 2020-07-16T12:48:30.113+00:00
Markus Freitag
3,786
Reputation points
accepted 2020-07-18T14:04:10.063+00:00
Markus Freitag
3,786
Reputation points
1 answer
One of the answers was accepted by the question author.
How I can call a Init() function from my ViewModel?
Hello, How I can call a Init() function from my ViewModel? <Grid DataContext="{StaticResource vm}"> What is different with StaticResource and without? I need without static, then the list works not. public partial…
asked 2020-07-14T10:13:10.147+00:00
Markus Freitag
3,786
Reputation points
accepted 2020-07-18T13:59:57.497+00:00
Markus Freitag
3,786
Reputation points
0 answers
How I can insert the Window Close Event in my ViewModel?
Hello, How I can insert the Close Event in my ViewModel? How I can access for all classes for my own Logger? public partial class MainWindow : Window { //public Logger Log; public MainWindow() { …
asked 2020-07-15T12:41:55.56+00:00
Markus Freitag
3,786
Reputation points
commented 2020-07-17T07:57:37.653+00:00
Peter Fleischer (former MVP)
19,316
Reputation points
1 answer
Convert Wpf form to Pdf report
Dear Sirs: We have a WPF application which display a complex form for a medical data record. User can also click a button to convert the form into the Pdf format for further reading. The current implementation is a two steps conversion which is to to…
![](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(233.6, 59%, 32%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJW%3C/text%3E%3C/svg%3E)
1 answer
C# WPF ViewModel change background color for textbox
<TextBox Name="txtSlot" Text="{Binding Path=GebindeSlot, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" Height="33" Margin="22,376,183,232" Grid.Column="3" /> Hello, How can I…
asked 2020-07-16T09:50:49.357+00:00
Markus Freitag
3,786
Reputation points
answered 2020-07-17T03:45:28.89+00:00
DaisyTian-1203
11,621
Reputation points
2 answers
One of the answers was accepted by the question author.
How to customize the appearance of TextBox to underline？
How to customize the appearance of TextBox to underline？
asked 2020-07-04T07:41:02.6+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(140.8, 21%, 23%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EQ%3C/text%3E%3C/svg%3E)
qwecskcnjff1
41
Reputation points
accepted 2020-07-17T00:00:10.873+00:00
qwecskcnjff1
41
Reputation points
0 answers
Own ViewModel - Threads - Dispatcher
Hello, I use my own ViewModel with properties that display the data via binding. If the properties are set by a thread (Socket Client). Can this lead to problems? Would I have to use Dispatchers, if so, how do I do it correctly? Thanks for response. …
asked 2020-07-14T18:54:38.987+00:00
Markus Freitag
3,786
Reputation points
commented 2020-07-16T06:05:55.387+00:00
DaisyTian-1203
11,621
Reputation points
0 answers
Adorner in textbox
I have created an adornerlayer over wpf textbox. This code block will return the bounds of the text in textbox, i have written this block in onrender method of a adorner class. Rect startPosition =…
asked 2020-07-13T10:03:03.173+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, 60%, 20%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ENK%3C/text%3E%3C/svg%3E)
Naveen kumar
1
Reputation point
commented 2020-07-15T17:06:53.2+00:00
Naveen kumar
1
Reputation point