Favoritenleiste seitlich in Firefox anzeigen

C#-Keinen Close-Button in Winforms anzeigen

private const int CP_NOCLOSE_BUTTON = 0x200;
protected override CreateParams CreateParams
{
    get
    {
       CreateParams myCp = base.CreateParams;
       myCp.ClassStyle = myCp.ClassStyle | CP_NOCLOSE_BUTTON ;
       return myCp;
    }
}
https://stackoverflow.com/questions/7301825/windows-forms-how-to-hide-close-x-button

C# in der "linkesten" Zeile die Reihennummer anzeigen

row.HeaderCell.Value = String.Format("{0}", row.Index + 1);

C#-Eigene Exceptionklasse schreiben

http://stackoverflow.com/questions/20391287/creating-my-own-exceptions-c-sharp

C#-Assemblyversion anzeigen/ auslesen

Application.ProductVersion

Synology High Availabilty (SHA)

https://www.synology.com/en-uk/knowledgebase/DSM/tutorial/General/How_to_create_a_high_availability_configuration_with_Synology_NAS