2,003 questions with Developer technologies | Windows Forms tags

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I used to have 3D buttons but not in 2026

I used to use 3D buttons. These had a kind of drop shaddow effect so they would visualy go up and down. What I have now is just a flat button. On a visual basic forum I was told to Right click on project and select properties In application general, I am…

Developer technologies | Windows Forms
asked 2026-08-06T11:45:56.3433333+00:00
Desmond O'Toole 11 Reputation points
answered 2026-08-07T03:01:05.3+00:00
Taki Ly (WICLOUD CORPORATION) 3,540 Reputation points Microsoft External Staff Moderator
2 answers One of the answers was accepted by the question author.

Can I use both "Designer" and "DesignerAttribute" in a Winforms UserControl?

I am trying to create a Winforms UserControl that will act as a container for other controls AND use its own Designer. I have used the following Microsoft examples: ControlDesigner…

Developer technologies | Windows Forms
asked 2026-07-30T13:27:04.12+00:00
Jeffrey Gaines 80 Reputation points
accepted 2026-08-03T07:39:35.6333333+00:00
Jeffrey Gaines 80 Reputation points
2 answers

"Could not load file or assembly" error in Visual Studio designer.

I am getting a "Could not load file or assembly" error in the Visual Studio designer for a WinForms app, when the file in question (a custom DLL) most definitely exists, and in the directory that it is supposed to be.

Developer technologies | Windows Forms
asked 2026-07-20T23:08:48.16+00:00
McDonald, Gregor 0 Reputation points
commented 2026-07-28T02:08:33.5633333+00:00
Nancy Vo (WICLOUD CORPORATION) 7,985 Reputation points Microsoft External Staff Moderator
1 answer

Overload resolution failed because no accessible 'Image' is most specific for these arguments

My app has a bunch of buttons. The images on the button were added by importing an image to the Resources. I added a TableAdapter through the DataSet Designer. Now when I go to open the Form Designer it fails to load with this error:The designer cannot…

Developer technologies | Windows Forms
asked 2026-07-18T15:41:30.97+00:00
James Buss 136 Reputation points
commented 2026-07-27T09:02:54.4533333+00:00
Jay Pham (WICLOUD CORPORATION) 3,905 Reputation points Microsoft External Staff Moderator
3 answers One of the answers was accepted by the question author.

Sequence contains no elements

I'm using Visual Studio 2026 writing in VBasic. 3 times recently I have received the above error and I don't know what's wrong nor how to fix it. It happens when copying and renaming controls. There's no help, and VS doesn't allow me to do further…

Developer technologies | Windows Forms
asked 2026-07-19T11:17:22.09+00:00
Rob Sandham 25 Reputation points
commented 2026-07-21T10:04:00.2633333+00:00
Danny Nguyen (WICLOUD CORPORATION) 8,020 Reputation points Microsoft External Staff Moderator
2 answers

How to fix f:\recovery\windowsre\winre.wim\system32\logfiles\srt\srttrail.txt

Hello, iv tried watching a bunch of videos and looking all over the internet but i just cant figure out what is wrong with it. i think my windows is installed onto my C: but I'm not even completely sure. the error code is:…

Developer technologies | Windows Forms
asked 2025-10-25T00:22:05.02+00:00
Dale 0 Reputation points
answered 2026-07-17T10:59:34.8+00:00
Josh Moreno 0 Reputation points
2 answers

System.Void may not be used as a type argument

When I attempt to open a form in designer (.Net 2026 c#), I get a "System.Void may not be used as a type argument" error. IF I click on "ignore and Continue" the form opens correctly. Why is this?

Developer technologies | Windows Forms
asked 2026-07-06T19:36:46.4566667+00:00
Al Bourque 5 Reputation points
commented 2026-07-14T02:49:00.1766667+00:00
Nancy Vo (WICLOUD CORPORATION) 7,985 Reputation points Microsoft External Staff Moderator
1 answer

Is there a cleaner way to connect Power BI to Oracle Fusion?

We're using BICC and BI Publisher exports to pull Fusion data into Power BI. It works… sort of. But it’s messy -  lots of manual steps, stale data, and fragile file-based pipelines. I came across a method  that does direct connectivity from Power BI to…

Developer technologies | Windows Forms
asked 2025-08-11T09:22:39.71+00:00
Utkarsh Pandey 0 Reputation points
answered 2026-07-09T06:50:54.77+00:00
Jatin Bhagwat 0 Reputation points
4 answers

How to copy a C# project to another directory and not get an error

When I make a copy of a working C# project and then go and try to open it in VS, I can't get the Form Designer to come up. I get this error: The designer could not be shown for this file because none of the classes within it can be designed. The…

Developer technologies | Windows Forms
asked 2026-06-30T08:54:33.4866667+00:00
MicheleGmail 0 Reputation points
commented 2026-07-07T03:47:17.96+00:00
Nancy Vo (WICLOUD CORPORATION) 7,985 Reputation points Microsoft External Staff Moderator
3 answers

How to sign ClickOnce artifacts when using Google Cloud KMS for code signing?

I've successfully done code signing using Google Cloud KMS and jsign for executable files, but I'm unable to sign ClickOnce manifest files. Current Setup Certificate: Code signing certificate from Sectigo (in .crt format) Private Key: Stored in Google…

Developer technologies | Windows Forms
asked 2025-07-24T16:36:09.0733333+00:00
Darshana Dilhan 0 Reputation points
edited a comment 2026-06-30T13:15:05.24+00:00
Andrew A 0 Reputation points
2 answers

Can the form body / background color be customized in a model-driven app (modern look)?

Environment: Power Platform, model-driven app using the modern/refreshed look (2026 Wave 1). I'm trying to brand a model-driven app to match our corporate colors. Using the modern theme (Custom theme definition XML web resource), I can change the app…

Developer technologies | Windows Forms
asked 2026-06-18T21:26:22.3533333+00:00
Pagidipalli, Tarun 0 Reputation points
commented 2026-06-26T02:23:08.45+00:00
Nancy Vo (WICLOUD CORPORATION) 7,985 Reputation points Microsoft External Staff Moderator
2 answers

design disappear

Could not find type 'DVLD.ctrPersonInformation'. Please make sure that the assembly that contains this type is referenced. If this type is a part of your development project, make sure that the project has been successfully built using settings for your…

Developer technologies | Windows Forms
asked 2026-06-14T07:47:18.3733333+00:00
Raneem kamel 0 Reputation points
commented 2026-06-22T06:37:26.0733333+00:00
Nancy Vo (WICLOUD CORPORATION) 7,985 Reputation points Microsoft External Staff Moderator
2 answers

error in my design

Could not find type 'DVLD.ctrPersonInformation'. Please make sure that the assembly that contains this type is referenced. If this type is a part of your development project, make sure that the project has been successfully built using settings for your…

Developer technologies | Windows Forms
asked 2026-06-12T08:27:58.93+00:00
Raneem kamel 0 Reputation points
commented 2026-06-19T02:29:01.3766667+00:00
Danny Nguyen (WICLOUD CORPORATION) 8,020 Reputation points Microsoft External Staff Moderator
2 answers One of the answers was accepted by the question author.

how to use the font I add to the system?

I am using winforms I copy the font file to Fonts folder in windows server 2022 and I can not use it. var font =new Font("MyFont"); the font is Microsoft sans serif not my font. why? if the name is not right how to get the name ?

Developer technologies | Windows Forms
asked 2026-06-04T14:14:46.45+00:00
mc 7,231 Reputation points
commented 2026-06-08T02:55:00.15+00:00
Nancy Vo (WICLOUD CORPORATION) 7,985 Reputation points Microsoft External Staff Moderator
6 answers One of the answers was accepted by the question author.

how to set the text space in winform?

I am using winform to draw something and how to set the text space? text t e x t

Developer technologies | Windows Forms
asked 2026-05-17T01:52:01.99+00:00
mc 7,231 Reputation points
accepted 2026-06-05T14:21:57.7333333+00:00
mc 7,231 Reputation points
2 answers

Getting “Value of '-2147483648' is not valid for 'RowPosition'” in Visual Studio while building after making changes to design using WinForms designer.

I am running into a persistent and unusual issue while working with the WinForms designer in Visual Studio. Whenever I move or drag any control (such as a TextBox) on a form and then start debugging, Visual Studio throws the following error message three…

Developer technologies | Windows Forms
asked 2026-05-28T11:51:29.5+00:00
Researcher 96 Reputation points
commented 2026-06-05T03:46:39.8266667+00:00
Taki Ly (WICLOUD CORPORATION) 3,540 Reputation points Microsoft External Staff Moderator
2 answers

Using Visual Studio 2026 (18.6.0) designer I keep getting Sequence contains no elements error when I add or change a control.

Using Visual Studio 2026 (18.6.0) designer I keep getting "Sequence contains no elements" error when I add or change a control. It happens frequently and is quite annoying.

Developer technologies | Windows Forms
asked 2026-05-24T14:35:48.0433333+00:00
Doug Hahn 0 Reputation points
commented 2026-05-28T06:15:55.1133333+00:00
Nancy Vo (WICLOUD CORPORATION) 7,985 Reputation points Microsoft External Staff Moderator
2 answers

error in my design

Could not find type 'DVLD.ctrPersonInformation'. Please make sure that the assembly that contains this type is referenced. If this type is a part of your development project, make sure that the project has been successfully built using settings for your…

Developer technologies | Windows Forms
asked 2026-05-18T08:31:29.32+00:00
Raneem kamel 0 Reputation points
commented 2026-05-25T08:59:46.7933333+00:00
Danny Nguyen (WICLOUD CORPORATION) 8,020 Reputation points Microsoft External Staff Moderator
2 answers One of the answers was accepted by the question author.

how to draw blank space in winform?

I am using winform and I want to draw blank space . I create bitmap and Graphics from it and then draw strings. the background is #000000 and the brush color is #ffffff and I draw texts is all right. but I want draw only a blank string. var text="…

Developer technologies | Windows Forms
asked 2026-05-16T11:52:26.9066667+00:00
mc 7,231 Reputation points
accepted 2026-05-20T00:50:03.4366667+00:00
mc 7,231 Reputation points
2 answers One of the answers was accepted by the question author.

How to drawString with text space of pixel?

I am using winform .net 10 (or 9) how to use the Grahpics to Draw a text with pixels space? for example I am drawing :welcome and then I will scale the bitmap to max and the check the pixel among each char above picture demonstrates there is no pixel…

Developer technologies | Windows Forms
asked 2026-05-18T01:12:44.1533333+00:00
mc 7,231 Reputation points
accepted 2026-05-20T00:48:04.55+00:00
mc 7,231 Reputation points