BackColor プロパティ (GroupHeaderSettings)

グループボックスヘッダの背景色を取得または設定します。

構文

Visual Basic (宣言)
C#

Public Property BackColor As Color

public Color BackColor {get; set;}

プロパティ値

ヘッダの背景色を表すSystem.Drawing.Color。デフォルトはColor.Emptyです。

使用例

次のサンプルコードは、GcRadioGroupBox.HeaderSettingsプロパティ上でBackColorプロパティを設定して、ラジオグループボックスコントロールのヘッダに特別な背景色を指定します。このサンプルコードを実行するには、以下のコードをSystem.Windows.Forms.Formプロジェクトに追加し、ここで作成したメソッドをコンストラクターまたはフォーム上の別のメソッドから呼び出します。

C#
Visual Basic

private void CreateGcRadioGroupBoxWithHeaderSettings()
{
    GcRadioGroupBox gcRadioGroupBox1 = new GcRadioGroupBox();

    // Set gcRadioGroupBox1's location.
    gcRadioGroupBox1.Location = new Point(10, 10);
    gcRadioGroupBox1.Size = new Size(130, 100);

    // Set up the group style for this control.
    gcRadioGroupBox1.GroupStyle = GroupStyle.TopLine;

    // Set HeaderType and Header's text.
    gcRadioGroupBox1.HeaderType = HeaderType.ExpanderAndText;
    gcRadioGroupBox1.Text = "All Iems";

    // Create some radio button items.
    RadioButtonItem[] items = new RadioButtonItem[] 
    {
        new RadioButtonItem("item&1"),
        new RadioButtonItem("item&2"),
        new RadioButtonItem("item&3"),
        new RadioButtonItem("item&4"),
        new RadioButtonItem("item&5"),
    };

    // Add some items.
    gcRadioGroupBox1.Items.AddRange(items);

    // Align the header to the center of the top border.
    gcRadioGroupBox1.HeaderSettings.Alignment = HeaderAlignment.Center;

    // Enable the header's  text to ellipsis when it is too long.
    gcRadioGroupBox1.HeaderSettings.AutoEllipsis = true;

    // Set the backgroud and foreground color of the header.
    gcRadioGroupBox1.HeaderSettings.BackColor = Color.GreenYellow;
    gcRadioGroupBox1.HeaderSettings.ForeColor = Color.Tomato;

    // Set a new font to the header.
    gcRadioGroupBox1.HeaderSettings.Font =
        new System.Drawing.Font("Arial", 9.75F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
    
    // Set the effect of the header text.
    gcRadioGroupBox1.HeaderSettings.TextEffect = GrapeCity.Win.Common.TextEffect.Raised;

    // Customize the layout of items through LayoutSettings.
    gcRadioGroupBox1.LayoutSettings.LayoutMode = LayoutMode.Table;
    gcRadioGroupBox1.LayoutSettings.Orientation = System.Windows.Forms.Orientation.Vertical;
    gcRadioGroupBox1.LayoutSettings.RowCount = 3;
    gcRadioGroupBox1.LayoutSettings.HorizontalAdjustment = GrapeCity.Win.Containers.LineAdjustment.Distributed;
    gcRadioGroupBox1.LayoutSettings.VerticalAdjustment = GrapeCity.Win.Containers.LineAdjustment.Average;

    // Add gcRadioGroupBo1 to the form.
    this.Controls.Add(gcRadioGroupBox1);
}

Private Sub CreateGcRadioGroupBoxWithHeaderSettings()
    Dim gcRadioGroupBox1 As New GcRadioGroupBox()

    ' Set gcRadioGroupBox1's location.
    gcRadioGroupBox1.Location = New Point(10, 10)
    gcRadioGroupBox1.Size = New Size(130, 100)

    ' Set up the group style for this control.
    gcRadioGroupBox1.GroupStyle = GroupStyle.TopLine

    ' Set HeaderType and Header's text.
    gcRadioGroupBox1.HeaderType = HeaderType.ExpanderAndText
    gcRadioGroupBox1.Text = "All Iems"

    ' Create some radio button items.
    Dim items As RadioButtonItem() = New RadioButtonItem() {New RadioButtonItem("item&1"), New RadioButtonItem("item&2"), New RadioButtonItem("item&3"), New RadioButtonItem("item&4"), New RadioButtonItem("item&5")}

    ' Add some items.
    gcRadioGroupBox1.Items.AddRange(items)

    ' Align the header to the center of the top border.
    gcRadioGroupBox1.HeaderSettings.Alignment = HeaderAlignment.Center

    ' Enable the header's  text to ellipsis when it is too long.
    gcRadioGroupBox1.HeaderSettings.AutoEllipsis = True

    ' Set the backgroud and foreground color of the header.
    gcRadioGroupBox1.HeaderSettings.BackColor = Color.GreenYellow
    gcRadioGroupBox1.HeaderSettings.ForeColor = Color.Tomato

    ' Set a new font to the header.
    gcRadioGroupBox1.HeaderSettings.Font = New System.Drawing.Font("Arial", 9.75F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte))

    ' Set the effect of the header text.
    gcRadioGroupBox1.HeaderSettings.TextEffect = TextEffect.Raised

    ' Customize the layout of items through LayoutSettings.
    gcRadioGroupBox1.LayoutSettings.LayoutMode = LayoutMode.Table
    gcRadioGroupBox1.LayoutSettings.Orientation = System.Windows.Forms.Orientation.Vertical
    gcRadioGroupBox1.LayoutSettings.RowCount = 3
    gcRadioGroupBox1.LayoutSettings.HorizontalAdjustment = LineAdjustment.Distributed
    gcRadioGroupBox1.LayoutSettings.VerticalAdjustment = LineAdjustment.Average

    ' Add gcRadioGroupBo1 to the form.
    Me.Controls.Add(gcRadioGroupBox1)
End Sub

プラットフォーム

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

参照

GroupHeaderSettings クラス
 GroupHeaderSettings メンバ
 System.Drawing.Color
ForeColor プロパティ
 System.Drawing.Color
ForeColor プロパティ