ice-js | small framework | Frontend Framework library

When I press the button to display the task pane, I am seeing the following error message in the console window which I cannot remove or explain ?

So I'm new to Blazor and I've just found out about CascadingValue and their possible use for showing error messages. I am creating an Outlook Add In for saving mails and attachments in Sharepoint, so I'm dynamically retrieving the current Outlook mail using Office-js and JSInterop, such that my Add In always uses the selected mail. But now that I'm trying to implement a cascading component for error messages I've run into problems with StateHasChanged.

Following code is my cascading error component:

I'm currently trying to implement some automations for an Excel Workbook. Part of it is to set a common header for all sheets in that workbook.

The header should look like this: Screenshot of the aimed header style and content

I found here question (52295459) how to access the headers, but i did not manage to format them. The code snippet is attached below. I read the documentation for the footerHeader class and for the references format codes. But I'm stuck.

So, these are my questions:

1. Is it possible to set a header for all sheets in a workbook in a more general way, than accessing each by getItem and their name?
2. How can I change the font color to #5E5E5E? I tried with &5E5E5E,&c5E5E5E, &color5E5E5E, E5E5E,&K5E5E5E, &K"5E5E5E" - but nothing worked. Edit: I want to change the colour of the header section.
3. I only need to adjust the center section of the header and may keep the content of left and right sections. However, if the left and right sections are not empty, whatever I specify in the center section will be attached to the end of the right section (attached string "center" wrongfully to right section). Is there a way to keep the left and right section and only change the center section?
4. If not: How can I insert the logo as an image and maybe format the height/width of it?

The working part of the code so far:

After loading a spreadsheet that contains a cell with a custom function reference, the custom function appears to be loaded twice. Can this be avoided?

To reproduce the issue for Excel Desktop:

1. Create a folder and run yo office --projectType excel-functions --name 'TestAddin' --host excel --js

2. Change to folder TestAddIn and run npm run build, then npm start

3. Allow some time for the plugin to compile and Excel to start, then select a spreadsheet cell and type =CONTOSO.INCREMENT(1) into the Excel formula bar. Press Enter.

4. You should now see the cell showing incrementing values.

5. Save the spreadsheet and close Excel.

6. Re-open the spreadsheet.

Over time, the cell shows:

Is there way to set/change Mailbox.Item (https://docs.microsoft.com/en-us/javascript/api/outlook/office.mailbox?view=outlook-js-1.9#item) icon or anyhow mark Mailbox.Item from Office.Context so it is clearly visible from the overview?

I have searched the internet and found solutions that do not include Office-js at all. Maybe some workaround with setting Messageclass via EWS call and creating FormRegion, but I need it to be done via the Office-js web add-in.

This is the best lead I found Can i add custom icon to "outlook" item?

I want to run a script when I receive a new email in Outlook for Office365. Is there any solution in [office-js]?

Instead of checking to receive new emails, I can read new emails every minute and run the script. In Google Apps Script (GAS), there is the Trigger that you can run a script every minute. Is there a similar feature in [office-js]?

I hope I can get some help on this. I have a Custom outlook addin

When the addin is pinned on both read and compose. One of the instances of the office-js app I'm running takes control of the taskpane and does not relinquish event handling for the keyboard or mouse.

The problem occurs when I have both the compose and read addins pinned.

1. Both the Read and Compose version of the addin are pinned.
2. Click on a read email and the addin loads up the email settings.
3. Click fwd on the email. A new compose window displaces the read window and the addin updates its view to the compose version
4. The compose version of the addin is frozen I cannot interact.
5. click back to the read version and close the pinned addin.
6. go back to the draft previously created and the addin now works.

It seems like they're fighting for control of the webview in the taskpane if both are pinned.

Is there a way to force the taskpane to reload to the active instance of the addin.

Hopefully, I explained it correctly.

I am working upon an outlook add-in and I am trying to get SSO token to call Graph API. I am referring this link to develop my addin Outlook addin SSO. I registered my App in Azure AD (multi-tenant). and followed everything step by step

I added version override to Manifest

I can access Message (mail) and Appointment objects via the office-js library and show the add-in button within these objects to show the pane.

Is there any way how to show the pane in the Task object window?

In Appointment it is possible

Thank you for any hint. I suppose it is not just supported now and I will have to manage Tasks via Graph API. https://docs.microsoft.com/en-us/graph/overview