WinForm Missing MaxButton/MinButton

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Form TitleBar
Mark
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Mark asked on 12 Aug 2022, 11:05 AM

Some how, my inherited form is missing the title bars Max/Min/Close buttons. Also the size of the title bar has shrunk.  This is my abstract class form

 

 

this is my inherited form

 

There are no special setting set on the inherited form.  Out of nowhere, the Min, Max & Close button are now missing.  I am seeing this on other inherited forms since upgrading to the latest Telerik for WinForm release.  Anyone have any idea what I am missing here?

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commented on 12 Aug 2022, 12:24 PM

I think I found something, I was able to repo the issue once in a sample app and I was able to fix the issue as well (clearing out the RootElement.MixSize and RootElement.MaxSize) in the Designer.cs file of all the forms involved.  However, I can't repo it.   Once I figure out the steps with this, I will try to list the steps to repo it.

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Dess | Tech Support Engineer, Principal
Telerik team
answered on 12 Aug 2022, 12:54 PM
Hello, Mark,   

I am really sorry to hear that you are experiencing any difficulties with the titlebar in our RadForm. 

The Designer.cs file is expected to serialize any changes that the developer makes in the designer. Indeed, the RootElement.MixSize and RootElement.MaxSize properties may affect the size and the system buttons. However, it would be greatly appreciated if you can provide the exact steps that led to this behavior. Thus, we would be able to replicate the issue on our end and provide further assistance. 
Thank you in advance for your cooperation.

Regards,
Dess | Tech Support Engineer, Principal
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answered on 12 Aug 2022, 03:12 PM

Attached is a video of how I can repo it.   The theme doesn't matter, as I was able to repo this w/out changing the default theme

 

1. Create new .NetFrameWork Telerik WinForm project

2. Set the MinSize of the RadForm1 to 300, 300

3. Set the MaxDize of the RadForm1 to 600, 600

4. Save the Form

5. Close the form

6. Build the project

7. Add new Telerik form, inherit from RadFrom1 via the Add New Item form and picking Inherited Form (Windows Forms).  When prompted, pick RadForm1.

8. Resize the new form

9. Save and Close the form.

10. Open RadForm1

11. Reset the Max Size

12. Save and Close RadForm1

13. Rebuild the project

14. Open the inherited form

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Dess | Tech Support Engineer, Principal
Telerik team
answered on 15 Aug 2022, 10:58 AM

Hi, Mark,

The provided sample video and detailed steps are greatly appreciated. I was able to observe the problem with the missing title bar buttons. The attached gif file illustrates the steps. 

I have logged it in our feedback portal by creating a public thread on your behalf. You can track its progress, subscribe for status changes and add your comments on the following link - feedback item.

I have also updated your Telerik points.

Currently, the possible solution that I can suggest is instead of adding an Inherited Form, add a Telerik RadForm. Then, change it to inherit from RadForm1:

I hope this information helps. If you need any further assistance please don't hesitate to contact me. 

Regards,
Dess | Tech Support Engineer, Principal
Progress Telerik

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commented on 15 Aug 2022, 11:25 AM

I just tested these steps and the issue still happens.  
Dess | Tech Support Engineer, Principal
Telerik team
commented on 15 Aug 2022, 11:52 AM

Hi, Mark,

Please refer to the attached gif file. Could you please confirm that you are performing exactly the same steps on your end?

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commented on 15 Aug 2022, 12:31 PM

Okay, I missed that step, that seems to take care of the issue.   If I run into this issue again, I will try to repo the steps and add them here. 

 

Thanks

Dess | Tech Support Engineer, Principal
Telerik team
commented on 15 Aug 2022, 12:55 PM

I am glad that the problem you were facing is now resolved with the suggested approach. Please let me know if any other issues occur.
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