string FirstName = Console.ReadLine();
if (FirstName.Length > 12)
{
Console.WriteLine(".......................................");
}
if(FirstName.Length<3)
{
Console.WriteLine("....................");
}
Console.WriteLine("...................");
string SecondName = Console.ReadLine();
if (SecondName.Length > 12)
{
Console.WriteLine(".............................");
}
if(SecondName.Length<3)
{
如果他们按 Enter 键而不输入值，我想停止程序，该怎么做？？/？
string key = Console.ReadKey().ToString(); //Read what is being pressed
if(key == "") {
Console.WriteLine("User pressed enter!");
return; //stop further execution
}
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