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 Project.Dialog { public partial class fSelectDay : Form { public DateTime dt { get; set; } public fSelectDay(DateTime dt_) { InitializeComponent(); this.dt = dt_; this.StartPosition = FormStartPosition.CenterScreen; } private void fSelectDay_Load(object sender, EventArgs e) { this.monthCalendar1.SelectionStart = this.dt; this.monthCalendar1.SelectionEnd = this.dt; } private void button1_Click(object sender, EventArgs e) { this.dt = this.monthCalendar1.SelectionStart; DialogResult = DialogResult.OK; } } }