using FCOMMON; using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows.Forms; namespace FPJ0000.Project { public partial class finputcurrency : Form { public double Value = 0; public finputcurrency() { InitializeComponent(); } private void button1_Click(object sender, EventArgs e) { if(double.TryParse(textBox1.Text, out Value) ==false) { return; } DialogResult = DialogResult.OK; } private void finputcurrency_Load(object sender, EventArgs e) { } } }