UpDownBase.PreferredHeight プロパティ
アセンブリ: System.Windows.Forms (system.windows.forms.dll 内)



派生クラス NumericUpDown を使用して、UpDownBase から派生したこのクラスのプロパティの一部を設定するコード例を次に示します。このコードは、NumericUpDown コントロール、2 つの ComboBox コントロール、および 3 つの CheckBox コントロールがフォーム上で作成されていることを前提にしています。ComboBox コントロールの BorderStyle および TextAlign にラベルを付けます。CheckBox コントロールの InterceptArrowKeys、ReadOnly、および UpDownAlign にラベルを付けます。このコードを使用すると、実行時にプロパティ値を変更したり、それぞれの変更がスピン ボックスの外観と動作にどのように影響するかを確認したりできます。BorderStyle というラベルのコンボ ボックスに、None、Fixed3D、FixedSingle の各項目を追加します。TextAlign というラベルのコンボ ボックスに、Left、Right、Center の各項目を追加します。
Private Sub comboBox1_SelectedIndexChanged(sender As Object, e As EventArgs) ' Set the BorderStyle property. Select Case comboBox1.Text Case "Fixed3D" numericUpDown1.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D Case "None" numericUpDown1.BorderStyle = System.Windows.Forms.BorderStyle.None Case "FixedSingle" numericUpDown1.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle End Select End Sub Private Sub comboBox2_SelectedIndexChanged(sender As Object, e As EventArgs) ' Set the TextAlign property. Select Case comboBox2.Text Case "Right" numericUpDown1.TextAlign = HorizontalAlignment.Right Case "Left" numericUpDown1.TextAlign = HorizontalAlignment.Left Case "Center" numericUpDown1.TextAlign = HorizontalAlignment.Center End Select End Sub Private Sub checkBox1_Click(sender As Object, e As EventArgs) ' Evaluate and toggle the ReadOnly property. If numericUpDown1.ReadOnly Then numericUpDown1.ReadOnly = False Else numericUpDown1.ReadOnly = True End If End Sub Private Sub checkBox2_Click(sender As Object, e As EventArgs) ' Evaluate and toggle the InterceptArrowKeys property. If numericUpDown1.InterceptArrowKeys Then numericUpDown1.InterceptArrowKeys = False Else numericUpDown1.InterceptArrowKeys = True End If End Sub Private Sub checkBox3_Click(sender As Object, e As EventArgs) ' Evaluate and toggle the UpDownAlign property. If numericUpDown1.UpDownAlign = LeftRightAlignment.Left Then numericUpDown1.UpDownAlign = LeftRightAlignment.Right Else numericUpDown1.UpDownAlign = LeftRightAlignment.Left End If End Sub
private void comboBox1_SelectedIndexChanged(Object sender, EventArgs e) { // Set the BorderStyle property. switch(comboBox1.Text) { case "Fixed3D": numericUpDown1.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D; break; case "None": numericUpDown1.BorderStyle = System.Windows.Forms.BorderStyle.None; break; case "FixedSingle": numericUpDown1.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle; break; } } private void comboBox2_SelectedIndexChanged(Object sender, EventArgs e) { // Set the TextAlign property. switch (comboBox2.Text) { case "Right": numericUpDown1.TextAlign = HorizontalAlignment.Right; break; case "Left": numericUpDown1.TextAlign = HorizontalAlignment.Left; break; case "Center": numericUpDown1.TextAlign = HorizontalAlignment.Center; break; } } private void checkBox1_Click(Object sender, EventArgs e) { // Evaluate and toggle the ReadOnly property. if (numericUpDown1.ReadOnly) { numericUpDown1.ReadOnly = false; } else { numericUpDown1.ReadOnly = true; } } private void checkBox2_Click(Object sender, EventArgs e) { // Evaluate and toggle the InterceptArrowKeys property. if (numericUpDown1.InterceptArrowKeys) { numericUpDown1.InterceptArrowKeys = false; } else { numericUpDown1.InterceptArrowKeys = true; } } private void checkBox3_Click(Object sender, EventArgs e) { // Evaluate and toggle the UpDownAlign property. if (numericUpDown1.UpDownAlign == LeftRightAlignment.Left) { numericUpDown1.UpDownAlign = LeftRightAlignment.Right; } else { numericUpDown1.UpDownAlign = LeftRightAlignment.Left; } }
void comboBox1_SelectedIndexChanged( Object^ /*sender*/, EventArgs^ /*e*/ ) { // Set the BorderStyle property. if ( comboBox1->Text->Equals( "Fixed3D" ) ) numericUpDown1->BorderStyle = System::Windows::Forms::BorderStyle::Fixed3D; else if ( comboBox1->Text->Equals( "None" ) ) numericUpDown1->BorderStyle = System::Windows::Forms::BorderStyle::None; else if ( comboBox1->Text->Equals( "FixedSingle" ) ) numericUpDown1->BorderStyle = System::Windows::Forms::BorderStyle::FixedSingle; } void comboBox2_SelectedIndexChanged( Object^ /*sender*/, EventArgs^ /*e*/ ) { // Set the TextAlign property. if ( comboBox2->Text->Equals( "Right" ) ) numericUpDown1->TextAlign = HorizontalAlignment::Right; if ( comboBox2->Text->Equals( "Left" ) ) numericUpDown1->TextAlign = HorizontalAlignment::Left; if ( comboBox2->Text->Equals( "Center" ) ) numericUpDown1->TextAlign = HorizontalAlignment::Center; } void checkBox1_Click( Object^ /*sender*/, EventArgs^ /*e*/ ) { // Evaluate and toggle the ReadOnly property. if ( numericUpDown1->ReadOnly ) { numericUpDown1->ReadOnly = false; } else { numericUpDown1->ReadOnly = true; } } void checkBox2_Click( Object^ /*sender*/, EventArgs^ /*e*/ ) { // Evaluate and toggle the InterceptArrowKeys property. if ( numericUpDown1->InterceptArrowKeys ) { numericUpDown1->InterceptArrowKeys = false; } else { numericUpDown1->InterceptArrowKeys = true; } } void checkBox3_Click( Object^ /*sender*/, EventArgs^ /*e*/ ) { // Evaluate and toggle the UpDownAlign property. if ( numericUpDown1->UpDownAlign == LeftRightAlignment::Left ) { numericUpDown1->UpDownAlign = LeftRightAlignment::Right; } else { numericUpDown1->UpDownAlign = LeftRightAlignment::Left; } }
private void comboBox1_SelectedIndexChanged(Object sender, EventArgs e) { // Set the BorderStyle property. if (comboBox1.get_Text().Equals("Fixed3D")) { numericUpDown1.set_BorderStyle( System.Windows.Forms.BorderStyle.Fixed3D); } else { if (comboBox1.get_Text().Equals("None")) { numericUpDown1.set_BorderStyle( System.Windows.Forms.BorderStyle.None); } else { if (comboBox1.get_Text().Equals("FixedSingle")) { numericUpDown1.set_BorderStyle( System.Windows.Forms.BorderStyle.FixedSingle); } } } } //comboBox1_SelectedIndexChanged private void comboBox2_SelectedIndexChanged(Object sender, EventArgs e) { if (comboBox2.get_Text().Equals("Right")) { numericUpDown1.set_TextAlign(HorizontalAlignment.Right); } else { if (comboBox2.get_Text().Equals("Left")) { numericUpDown1.set_TextAlign(HorizontalAlignment.Left); } else { if (comboBox2.get_Text().Equals("Center")) { numericUpDown1.set_TextAlign(HorizontalAlignment.Center); } } } } //comboBox2_SelectedIndexChanged private void checkBox1_Click(Object sender, EventArgs e) { // Evaluate and toggle the ReadOnly property. if (numericUpDown1.get_ReadOnly()) { numericUpDown1.set_ReadOnly(false); } else { numericUpDown1.set_ReadOnly(true); } } //checkBox1_Click private void checkBox2_Click(Object sender, EventArgs e) { // Evaluate and toggle the InterceptArrowKeys property. if (numericUpDown1.get_InterceptArrowKeys()) { numericUpDown1.set_InterceptArrowKeys(false); } else { numericUpDown1.set_InterceptArrowKeys(true); } } //checkBox2_Click private void checkBox3_Click(Object sender, EventArgs e) { // Evaluate and toggle the UpDownAlign property. if (numericUpDown1.get_UpDownAlign().Equals(LeftRightAlignment.Left)) { numericUpDown1.set_UpDownAlign(LeftRightAlignment.Right); } else { numericUpDown1.set_UpDownAlign(LeftRightAlignment.Left); } } //checkBox3_Click

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