All Questions
79,679
questions
0
votes
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answers
14
views
How to draw a node in some given coordinates
Can`t draw node with specified coordinates on gViewer.
Try to use code from this question Change Node position in MSAGL , but it doesn`t work.
Form form = new ();
GViewer viewer = new (...
- 11
1
vote
1
answer
22
views
How to check for updates in my C# app published on MS Store
I am a Mac developer who has just started building Windows apps. My app will be published to the Windows Store.
Do apps downloaded from the Windows Store have to check for new versions themselves, or ...
- 13
0
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29
views
Cannot load appsettings.json after converting .NET Core 3.1 console application to .NET Core 3.1 WinForms application
There was a console .NET Core 3.1 application for SOAP communication based on IHost / IHostBuilder.
New requirements came and I had to convert the application to the GUI application. I chose WinForms.
...
- 26.3k
0
votes
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answers
15
views
Master detail on devexpress
I have a problem with master detail in Devexpress. I have 3 tables. An intermediate table, one of which is the computer list, the other is the programs, the other is the program computer list.
In this ...
0
votes
1
answer
63
views
Create a control and set in next to another control
Here is the requirement: set a button aside a textbox. So that the button will be located in the right of the textbox.
At first I think it's easy because I can use UserControl, some drop and drag can ...
1
vote
1
answer
57
views
Why does the console output work, but the RichEditBox gets blocked?
I have simple Form Application, this app contain separated socket Task. This Task handles send(string) procedure for sending message to Server. Server sends back message to client, Task receives ...
- 11
0
votes
2
answers
43
views
System.IO.FileNotFoundException: Unable to Load 'System.Data.SqlClient' Assembly in .NET Project [duplicate]
I'm encountering a persistent issue with my .NET project in Visual Studio. Every time I start the program, I get an error stating that the specified version of the System.Data.SqlClient assembly ...
- 1
1
vote
1
answer
67
views
How to digital sign a pdf file using smartcard and iTextSharp?
I'm new in digital signing concept, I'm developing a winform application that allow an user to select a certificate from Windows certificate store, and use the selected certificate to sign to a pdf ...
- 442
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votes
0
answers
10
views
OpenTK render objects outside of Viewport to Framebuffer's texture
I am working on a Windows Form application, I am drawing rectangles onto a GLControl in one tab.
After I'm done drawing the rectangles, I am trying to draw them into another GLControl that is inside ...
0
votes
0
answers
29
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SpreadsheetGear.Windows.Wpf Crashes when an invalid Workbook Name is used in a formula to reference a different Workbook in the WorkbookSet
When an invalid Workbook Name is used in a formula for referencing a different workbook in a WorkbookSet, the "Invalid Formula" message that shows up on WinForms, does not show up on the WPF ...
- 11
0
votes
1
answer
57
views
How to add items to listbox if not exist?
I'm having an issue with my code, I'm trying to add items from a Directory to a ListBox, the issue is that I keep getting the same items (duplicated) over and over again.
here is my code:
String[] ...
-1
votes
1
answer
75
views
Unable to draw proper gradient buttons on Windows Form
I have the following simple code that should draw a gradient button, added as gradbtn.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading....
0
votes
1
answer
52
views
How can I synchronize an online SQL Server database with another offline database in Winforms on .NET Core?
I need to sync a large local SQL Server database to a server database and vice versa. The structure of these two databases is exactly the same. We need to sync data when the user is logged in, or when ...
1
vote
0
answers
37
views
How to get a graph from file *.msagl?
I'm writing application on Winforms C# and using library MSAGL to display graph's.
At now i`m stuck on loading graph's from file *.msagl.
Here is my code for proccessing loaded file:
private void ...
- 11
0
votes
0
answers
56
views
What is wrong with my strategy design MVC code? [closed]
I am seeking the opinion of very experienced coders on what improvements are needed for this code to pass. I am unsure why it failed and would like to expand my knowledge by getting expert feedback.
I ...
