label control variables inside the text

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C#

Visual-Studio

Hello All
Just started using and learning visual c# - again , I have a little app I am working on
- an uptime/reboot reminder. I have it working but I want to display the "number of days since the last reboot
variable" in the label text control in the Form.cs.

"This is the text in the label"
This machine has not been restarted since the date above
A Reboot is recommended !

Code for getting the number of days since the last reboot.

// define a select query
            SelectQuery query = 
                new SelectQuery("SELECT LastBootUpTime FROM Win32_OperatingSystem WHERE Primary='true'");
            
            // create a new management object searcher and pass it
            // the select query
            ManagementObjectSearcher searcher = 
                new ManagementObjectSearcher(query);
            // get the datetime value and set the local boot
            // time variable to contain that value
            foreach(ManagementObject mo in searcher.Get())
            {
                BootTime =
                ManagementDateTimeConverter.ToDateTime(mo.Properties["LastBootUpTime"].Value.ToString());
            }
            TimeSpan span = NowTime.Subtract(BootTime);
            if (span.Days > 5)
            {
                Application.Run(new Form1());
            }
            else Application.Exit();

This is in my Program.cs; can I reference the variable (Span.days) in my Form.cs in the label text control- text?


Many thanks - Dene