[AttributeUsage(AttributeTargets.Class)]
public sealed class DefaultBindablePropertyAttribute :
    Attribute

<AttributeUsage(AttributeTargets.Class)>
Public NotInheritable Class DefaultBindablePropertyAttribute
    Inherits Attribute

using DevExpress.XtraReports;
using DevExpress.XtraReports.Localization;
using DevExpress.XtraReports.UI;
// ...

// The following line specifies the default property to bind the control 
// to a field dropped from the Field List.
[DefaultBindableProperty("MyCustomProperty")]
public class MyCustomLabel : XRLabel {
    // The following line specifies the Properties window category, 
    // where a custom property is located.
    [SRCategory(ReportStringId.CatAppearance)]
    // When BindableAttribute is applied, the property will appear
    // in the Data category, as well as in the custom category (if specified).
    [System.ComponentModel.Bindable(true)]
    public string MyCustomProperty { get; set; }
}

public class MyCustomPageHeaderBand : PageHeaderBand {
    // When no custom Properties window category is specified, 
    // a property appears in the Misc category.
    public string MyCustomBandProperty { get; set; }
}

Imports DevExpress.XtraReports
Imports DevExpress.XtraReports.Localization
Imports DevExpress.XtraReports.UI
' ...

' The following line specifies the default property to bind the control 
' to a field dropped from the Field List.
<DefaultBindableProperty("MyCustomProperty")> _
Public Class MyCustomLabel
    Inherits XRLabel
    ' The following line specifies the Properties window category, 
    ' where a custom property is located.
    ' When BindableAttribute is applied, the property will appear
    ' in the Data category, as well as in the custom category (if specified).
    <SRCategory(ReportStringId.CatAppearance)> _
     _
    Public Property MyCustomProperty() As String
        Get
            Return m_MyCustomProperty
        End Get
        Set
            m_MyCustomProperty = Value
        End Set
    End Property
    Private m_MyCustomProperty As String
End Class

Public Class MyCustomPageHeaderBand
    Inherits PageHeaderBand
    ' When no custom Properties window category is specified, 
    ' a property appears in the Misc category.
    Public Property MyCustomBandProperty() As String
        Get
            Return m_MyCustomBandProperty
        End Get
        Set
            m_MyCustomBandProperty = Value
        End Set
    End Property
    Private m_MyCustomBandProperty As String
End Class