Value プロパティは、DateTime または Null (値がクリアされた場合) を含むオブジェクトを返します。
Value プロパティはデータベースにバインドすることができます。
Imports Infragistics.Win Imports Infragistics.Win.UltraWinEditors Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click ' Set focus to the UltraDateTimeEditor Me.UltraDateTimeEditor1.Focus() ' Set the AlwaysInEditMode property to false Me.UltraDateTimeEditor1.AlwaysInEditMode = False ' Don't allow null values Me.UltraDateTimeEditor1.Nullable = False ' Set the DateTime property to the current date Me.UltraDateTimeEditor1.DateTime = DateTime.Today ' Use the text selection-related properties to clear the edit portion Me.UltraDateTimeEditor1.SelectionStart = 0 Me.UltraDateTimeEditor1.SelectionLength = Me.UltraDateTimeEditor1.Value.ToString().Length Me.UltraDateTimeEditor1.SelectedText = "" End Sub Private Sub UltraDateTimeEditor1_BeforeDropDown(ByVal sender As System.Object, ByVal e As System.ComponentModel.CancelEventArgs) Handles UltraDateTimeEditor1.BeforeDropDown If (Not Me.UltraDateTimeEditor1.IsDateValid) Then e.Cancel = True MessageBox.Show("Please type a valid date.", "BeforeDropDown", MessageBoxButtons.OK) End If End Sub
using System.Diagnostics; using Infragistics.Win; using Infragistics.Win.UltraWinEditors; private void button1_Click(object sender, System.EventArgs e) { // Set focus to the UltraDateTimeEditor this.ultraDateTimeEditor1.Focus(); // Set the AlwaysInEditMode property to false this.ultraDateTimeEditor1.AlwaysInEditMode = false; // Don't allow null values this.ultraDateTimeEditor1.Nullable = false; // Set the DateTime property to the current date this.ultraDateTimeEditor1.DateTime = DateTime.Today; // Use the text selection-related properties to clear the edit portion this.ultraDateTimeEditor1.SelectionStart = 0; this.ultraDateTimeEditor1.SelectionLength = this.ultraDateTimeEditor1.Value.ToString().Length; this.ultraDateTimeEditor1.SelectedText = ""; } private void ultraDateTimeEditor1_BeforeDropDown(object sender, System.ComponentModel.CancelEventArgs e) { if ( ! this.ultraDateTimeEditor1.IsDateValid ) { e.Cancel = true; MessageBox.Show( "Please type a valid date.", "BeforeDropDown", MessageBoxButtons.OK ); } }