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Imports System.ComponentModel
Namespace PropertyGridEx
Public Class BrowsableTypeConverter
Inherits ExpandableObjectConverter
Public Enum LabelStyle
lsNormal
lsTypeName
lsEllipsis
End Enum
Public Class BrowsableLabelStyleAttribute
Inherits Attribute
Private eLabelStyle As LabelStyle = LabelStyle.lsEllipsis
Public Sub New(ByVal LabelStyle As LabelStyle)
eLabelStyle = LabelStyle
End Sub
Public Property LabelStyle() As LabelStyle
Get
Return eLabelStyle
End Get
Set(ByVal value As LabelStyle)
eLabelStyle = value
End Set
End Property
End Class
Public Overrides Function CanConvertTo(ByVal context As System.ComponentModel.ITypeDescriptorContext, ByVal destinationType As System.Type) As Boolean
Return True
End Function
Public Overrides Function ConvertTo(ByVal context As System.ComponentModel.ITypeDescriptorContext, ByVal culture As System.Globalization.CultureInfo, ByVal value As Object, ByVal destinationType As System.Type) As Object
Dim Style As BrowsableLabelStyleAttribute = context.PropertyDescriptor.Attributes(GetType(BrowsableLabelStyleAttribute))
If Not Style Is Nothing Then
Select Case Style.LabelStyle
Case LabelStyle.lsNormal
Return MyBase.ConvertTo(context, culture, value, destinationType)
Case LabelStyle.lsTypeName
Return "(" & value.GetType.Name & ")"
Case LabelStyle.lsEllipsis
Return "(...)"
End Select
End If
Return MyBase.ConvertTo(context, culture, value, destinationType)
End Function
End Class
End Namespace
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