Hi Guillaume,
Thank you for contacting Syncfusion Support,
We have created the sample with the NotifyIcon which tries to meet your requirement. In our sample, we have created the NotifyIcon in Button click event, so that you can create multiple NotifyIcon according to your need. Please download the sample from the following location:
Sample:
NotifyIcon_119587Please let us know if you have any other concerns,
Regards,
Vijayalakshmi V.R.