TextBoxBase.ExtentWidth TextBoxBase.ExtentWidth TextBoxBase.ExtentWidth TextBoxBase.ExtentWidth Property

定義

表示されるコンテンツ エリアの横幅を取得します。Gets the horizontal size of the visible content area.

public:
 property double ExtentWidth { double get(); };
public double ExtentWidth { get; }
member this.ExtentWidth : double
Public ReadOnly Property ExtentWidth As Double

プロパティ値

表示されるコンテンツ エリアの横幅をデバイスに依存しない単位 (1 単位は 1/96 インチ)device-independent units (1/96th inch per unit) で指定する浮動小数点値。A floating-point value that specifies the horizontal size of the visible content area, in デバイスに依存しない単位 (1 単位は 1/96 インチ)device-independent units (1/96th inch per unit).

スクロールをサポートするようにテキスト編集コントロールが構成されていない場合、このプロパティの値は 0.0 になります。The value of this property is 0.0 if the text editing control is not configured to support scrolling.

このプロパティには既定値はありません。This property has no default value.

次の例は、 ExtentWidthプロパティの値を読み取る方法を示しています。The following example demonstrates how to read the value of the ExtentWidth property.

private void initValues(object sender, EventArgs e)
{
    myTB1.Text= "ExtentHeight is currently " + myTextBox.ExtentHeight.ToString();
    myTB2.Text= "ExtentWidth is currently " + myTextBox.ExtentWidth.ToString();
    myTB3.Text= "HorizontalOffset is currently " + myTextBox.HorizontalOffset.ToString();
    myTB4.Text= "VerticalOffset is currently " + myTextBox.VerticalOffset.ToString();
    myTB5.Text = "ViewportHeight is currently " + myTextBox.ViewportHeight.ToString();
    myTB6.Text = "ViewportWidth is currently " + myTextBox.ViewportWidth.ToString();
    radiobtn1.IsChecked = true;
}
Private Sub initValues(ByVal sender As Object, ByVal e As EventArgs)
    myTB1.Text = "ExtentHeight is currently " + myTextBox.ExtentHeight.ToString()
    myTB2.Text = "ExtentWidth is currently " + myTextBox.ExtentWidth.ToString()
    myTB3.Text = "HorizontalOffset is currently " + myTextBox.HorizontalOffset.ToString()
    myTB4.Text = "VerticalOffset is currently " + myTextBox.VerticalOffset.ToString()
    myTB5.Text = "ViewportHeight is currently " + myTextBox.ViewportHeight.ToString()
    myTB6.Text = "ViewportWidth is currently " + myTextBox.ViewportWidth.ToString()
    radiobtn1.IsChecked = True

適用対象

こちらもご覧ください