BackColor プロパティ (GroupItemSettings)

グループボックス項目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

項目の背景色を表す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、すべてのチェックボックス項目に新しい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 CreateMyGcCheckedGroupBoxWithItemSettings()
{
    GcCheckedGroupBox gcCheckedGroupBox = new GcCheckedGroupBox();

    // Set gcRadioGroupBox1's location.
    gcCheckedGroupBox.Location = new Point(10, 10);
    gcCheckedGroupBox.Text = "Button appearance items";

    // Create some radio button items.
    CheckBoxItem[] items = new CheckBoxItem[] 
    {
        new CheckBoxItem("item1"),
        new CheckBoxItem("item2"),
        new CheckBoxItem("item3"),
    };

    // First add some items.
    gcCheckedGroupBox.Items.AddRange(items);

    // Use flat theme to draw gcCheckedGroupBox.
    gcCheckedGroupBox.FlatStyle = GrapeCity.Win.Common.FlatStyleEx.Flat;

    // Set all items as button appearance.
    gcCheckedGroupBox.ItemSettings.Appearance = Appearance.Button;

    gcCheckedGroupBox.ItemSettings.UseVisualStyleBackColor = false;

    // Set all items' background and foreground color.
    gcCheckedGroupBox.ItemSettings.BackColor = Color.AliceBlue;
    gcCheckedGroupBox.ItemSettings.ForeColor = Color.Blue;

    // Set all items' font.
    gcCheckedGroupBox.ItemSettings.Font = new System.Drawing.Font("Arial", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
    
    // Set all items' TextEffect.
    gcCheckedGroupBox.ItemSettings.TextEffect = GrapeCity.Win.Common.TextEffect.Raised;

    // Customize the flat appearance.
    gcCheckedGroupBox.ItemSettings.FlatAppearance.BorderColor = Color.Violet;
    gcCheckedGroupBox.ItemSettings.FlatAppearance.BorderSize = 2;
    gcCheckedGroupBox.ItemSettings.FlatAppearance.CheckedBackColor = Color.Red;
    gcCheckedGroupBox.ItemSettings.FlatAppearance.MouseDownBackColor = Color.RosyBrown;
    gcCheckedGroupBox.ItemSettings.FlatAppearance.MouseOverBackColor = Color.Silver;

    // Customize the layout of items.
    gcCheckedGroupBox.LayoutSettings.LayoutMode = LayoutMode.Flow;
    gcCheckedGroupBox.LayoutSettings.HorizontalSpace = 5;

    // Add gcRadioGroupBox to the form.
    this.Controls.Add(gcCheckedGroupBox);
}

Private Sub CreateMyGcCheckedGroupBoxWithItemSettings()
    Dim gcCheckedGroupBox As New GcCheckedGroupBox()

    ' Set gcRadioGroupBox1's location.
    gcCheckedGroupBox.Location = New Point(10, 10)
    gcCheckedGroupBox.Text = "Button appearance items"

    ' Create some radio button items.
    Dim items As CheckBoxItem() = New CheckBoxItem() {New CheckBoxItem("item1"), New CheckBoxItem("item2"), New CheckBoxItem("item3")}

    ' First add some items.
    gcCheckedGroupBox.Items.AddRange(items)

    ' Use flat theme to draw gcCheckedGroupBox.
    gcCheckedGroupBox.FlatStyle = FlatStyleEx.Flat

    ' Set all items as button appearance.
    gcCheckedGroupBox.ItemSettings.Appearance = Appearance.Button

    gcCheckedGroupBox.ItemSettings.UseVisualStyleBackColor = False

    ' Set all items' background and foreground color.
    gcCheckedGroupBox.ItemSettings.BackColor = Color.AliceBlue
    gcCheckedGroupBox.ItemSettings.ForeColor = Color.Blue

    ' Set all items' font.
    gcCheckedGroupBox.ItemSettings.Font = New System.Drawing.Font("Arial", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))

    ' Set all items' TextEffect.
    gcCheckedGroupBox.ItemSettings.TextEffect = TextEffect.Raised

    ' Customize the flat appearance.
    gcCheckedGroupBox.ItemSettings.FlatAppearance.BorderColor = Color.Violet
    gcCheckedGroupBox.ItemSettings.FlatAppearance.BorderSize = 2
    gcCheckedGroupBox.ItemSettings.FlatAppearance.CheckedBackColor = Color.Red
    gcCheckedGroupBox.ItemSettings.FlatAppearance.MouseDownBackColor = Color.RosyBrown
    gcCheckedGroupBox.ItemSettings.FlatAppearance.MouseOverBackColor = Color.Silver

    ' Customize the layout of items.
    gcCheckedGroupBox.LayoutSettings.LayoutMode = LayoutMode.Flow
    gcCheckedGroupBox.LayoutSettings.HorizontalSpace = 5

    ' Add gcRadioGroupBox to the form.
    Me.Controls.Add(gcCheckedGroupBox)
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

GroupItemSettings クラス
 GroupItemSettings メンバ
 System.Drawing.Color
System.Drawing.Color