UltraCurrencyEditor コントロールは、コントロールによって認められる値の範囲を制限する機能を提供します。これは、MaxValue プロパティとMinValueプロパティを設定することによって行います。
MinValue および MaxValue プロパティで決定された範囲外にある値でコントロールがフォーカスを失うと、UltraNumericEditorBase.ValidationError イベントが発生します。
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load Me.UltraCurrencyEditor1.MaxValue = 10000 Me.UltraCurrencyEditor1.MinValue = 0 End Sub Private Sub UltraCurrencyEditor1_ValidationError(ByVal sender As Object, ByVal e As Infragistics.Win.UltraWinEditors.ValidationErrorEventArgs) Handles UltraCurrencyEditor1.ValidationError e.Beep = True ' We want to get the value currently being edited. ' To do that we must get the embeddableUIElement. Dim embeddableEditorUI As Infragistics.Win.EmbeddableUIElementBase = Me.UltraCurrencyEditor1.UIElement.GetDescendant(GetType(Infragistics.Win.EmbeddableUIElementBase)) If Not embeddableEditorUI Is Nothing Then ' Now that we have embeddable element, get current edit text. Dim editText As String = embeddableEditorUI.Editor.CurrentEditText Dim editValue As Decimal = 0 Try ' In order to do comparison we want to get this text ' into a decimal. ' Strip out the prompt chars, spaces, currency and group symbols. editText = editText.Replace(Me.UltraCurrencyEditor1.PromptChar.ToString(), "") editText = editText.Replace(" ", "") editText = editText.Replace(System.Globalization.NumberFormatInfo.CurrentInfo.CurrencySymbol, "") editText = editText.Replace(System.Globalization.NumberFormatInfo.CurrentInfo.CurrencyGroupSeparator, "") editValue = Decimal.Parse(editText) Dim over As Boolean = editValue > Me.UltraCurrencyEditor1.MaxValue Dim errorText As String If (over) Then errorText = "The current value is greater than the maximum value" Else errorText = "The current value is less than the minimum value" End If MessageBox.Show(Me, errorText, "Value does not fit " Catch End Try End If End Sub
private void Form1_Load(object sender, System.EventArgs e) { this.ultraCurrencyEditor1.MaxValue = 10000; this.ultraCurrencyEditor1.MinValue = 0; } private void ultraCurrencyEditor1_ValidationError(object sender, Infragistics.Win.UltraWinEditors.ValidationErrorEventArgs e) { e.Beep = true; // We want to get the value currently being edited. // To do that we must get the embeddableUIElement. Infragistics.Win.EmbeddableUIElementBase embeddableEditorUI = this.ultraCurrencyEditor1.UIElement.GetDescendant(typeof(Infragistics.Win.EmbeddableUIElementBase)) as Infragistics.Win.EmbeddableUIElementBase; if(null != embeddableEditorUI) { // Now that we have embeddable element, get current edit text. string editText = embeddableEditorUI.Editor.CurrentEditText ; decimal editValue = 0m; try { // In order to do comparison we want to get this text // into a decimal. // Strip out the prompt chars, spaces, currency and group symbols. editText = editText.Replace(this.ultraCurrencyEditor1.PromptChar.ToString(),""); editText = editText.Replace(" ",""); editText = editText.Replace(System.Globalization.NumberFormatInfo.CurrentInfo.CurrencySymbol,""); editText = editText.Replace(System.Globalization.NumberFormatInfo.CurrentInfo.CurrencyGroupSeparator,""); editValue = decimal.Parse(editText); bool over = editValue > this.ultraCurrencyEditor1.MaxValue; string errorText; if(over) errorText = "The current value is greater than the maximum value"; else errorText = "The current value is less than the minimum value"; MessageBox.Show(this,errorText,"Value does not fit "); } catch {} } }