using System;
using System.Collections.Generic;
using System.Linq;
using System.IO;
using System.Security.Cryptography;
using System.Text;
using System.Globalization;
public class Test
{
public static void Main()
{
float num1;
if (float.TryParse("0", out num1) !=true) //使用int.tryparse出來會是布林值
{
Console.WriteLine("Press any key to exit.");
}
}
}
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