DrawItemEventArgs.BackColor プロパティ

定義

描画されている項目の背景色を取得します。Gets the background color of the item that is being drawn.

public:
 property System::Drawing::Color BackColor { System::Drawing::Color get(); };
public System.Drawing.Color BackColor { get; }
member this.BackColor : System.Drawing.Color
Public ReadOnly Property BackColor As Color

プロパティ値

Color

描画されている項目の背景色を示す ColorThe background Color of the item that is being drawn.

このメンバーの使用例を次のコード例に示します。The following code example demonstrates the use of this member. この例では、イベントハンドラーがイベントの発生を報告し ListBox.DrawItem ます。In the example, an event handler reports on the occurrence of the ListBox.DrawItem event. このレポートは、イベントがいつ発生し、デバッグに役立つかを理解するのに役立ちます。This report helps you learn when the event occurs and can assist you in debugging.

コード例を実行するには、という名前の型のインスタンスを含むプロジェクトに貼り付け ListBox ListBox1 ます。To run the example code, paste it into a project that contains an instance of type ListBox that is named ListBox1. 次に、イベントハンドラーがイベントに関連付けられていることを確認し ListBox.DrawItem ます。Then make sure that the event handler is associated with the ListBox.DrawItem event.

private void ListBox1_DrawItem(Object sender, DrawItemEventArgs e) {

System.Text.StringBuilder messageBoxCS = new System.Text.StringBuilder();
messageBoxCS.AppendFormat("{0} = {1}", "BackColor", e.BackColor );
messageBoxCS.AppendLine();
messageBoxCS.AppendFormat("{0} = {1}", "Bounds", e.Bounds );
messageBoxCS.AppendLine();
messageBoxCS.AppendFormat("{0} = {1}", "Font", e.Font );
messageBoxCS.AppendLine();
messageBoxCS.AppendFormat("{0} = {1}", "ForeColor", e.ForeColor );
messageBoxCS.AppendLine();
messageBoxCS.AppendFormat("{0} = {1}", "Graphics", e.Graphics );
messageBoxCS.AppendLine();
messageBoxCS.AppendFormat("{0} = {1}", "Index", e.Index );
messageBoxCS.AppendLine();
messageBoxCS.AppendFormat("{0} = {1}", "State", e.State );
messageBoxCS.AppendLine();
MessageBox.Show(messageBoxCS.ToString(), "DrawItem Event" );
}
Private Sub ListBox1_DrawItem(sender as Object, e as DrawItemEventArgs) _ 
     Handles ListBox1.DrawItem

    Dim messageBoxVB as New System.Text.StringBuilder()
    messageBoxVB.AppendFormat("{0} = {1}", "BackColor", e.BackColor)
    messageBoxVB.AppendLine()
    messageBoxVB.AppendFormat("{0} = {1}", "Bounds", e.Bounds)
    messageBoxVB.AppendLine()
    messageBoxVB.AppendFormat("{0} = {1}", "Font", e.Font)
    messageBoxVB.AppendLine()
    messageBoxVB.AppendFormat("{0} = {1}", "ForeColor", e.ForeColor)
    messageBoxVB.AppendLine()
    messageBoxVB.AppendFormat("{0} = {1}", "Graphics", e.Graphics)
    messageBoxVB.AppendLine()
    messageBoxVB.AppendFormat("{0} = {1}", "Index", e.Index)
    messageBoxVB.AppendLine()
    messageBoxVB.AppendFormat("{0} = {1}", "State", e.State)
    messageBoxVB.AppendLine()
    MessageBox.Show(messageBoxVB.ToString(),"DrawItem Event")

End Sub

注釈

項目の状態がの場合 DrawItemState.SelectedBackColor はに設定され SystemColors.HighlightText ます。If the item's state is DrawItemState.Selected, the BackColor is set to SystemColors.HighlightText. 項目の状態がでない場合 SelectedBackColor プロパティはに設定され SystemColors.Window ます。If the item's state is not Selected, the BackColor property is set to SystemColors.Window.

適用対象

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