バージョン

DropDownButtonAlignment プロパティ (UltraComboEditor)

ドロップ ダウン ボタンの配置位置を示す値を取得または設定します。
シンタックス
'宣言
 
Public Property DropDownButtonAlignment As Infragistics.Win.ButtonAlignment
public Infragistics.Win.ButtonAlignment DropDownButtonAlignment {get; set;}
解説

UltraComboEditor コントロールは、コントロールの右側（デフォルト）または左側のいずれかにドロップダウンボタンを配置する機能を提供します。

使用例
Private Sub SwapAlignment()

    Me.UltraComboEditor1.DropDownListWidth = 150

    If Me.UltraComboEditor1.DropDownButtonAlignment = Infragistics.Win.ButtonAlignment.Right Then
        Me.UltraComboEditor1.DropDownButtonAlignment = Infragistics.Win.ButtonAlignment.Left
        Me.UltraComboEditor1.DropDownListAlignment = Infragistics.Win.DropDownListAlignment.Right
    Else
        Me.UltraComboEditor1.DropDownButtonAlignment = Infragistics.Win.ButtonAlignment.Right
        Me.UltraComboEditor1.DropDownListAlignment = Infragistics.Win.DropDownListAlignment.Left
    End If

End Sub
private void SwapAlignment()
{

	this.ultraComboEditor1.DropDownListWidth = 150;

	if(this.ultraComboEditor1.DropDownButtonAlignment == Infragistics.Win.ButtonAlignment.Right)
	{
		this.ultraComboEditor1.DropDownButtonAlignment = Infragistics.Win.ButtonAlignment.Left;
		this.ultraComboEditor1.DropDownListAlignment = Infragistics.Win.DropDownListAlignment.Right  ;
	}
	else
	{
		this.ultraComboEditor1.DropDownButtonAlignment = Infragistics.Win.ButtonAlignment.Right;
		this.ultraComboEditor1.DropDownListAlignment = Infragistics.Win.DropDownListAlignment.Left;
	}																						

}
参照