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Imports System
Imports System.Drawing.Design
Imports System.ComponentModel
Imports System.ComponentModel.Design
Imports System.ComponentModel.Design.CollectionEditor
Imports System.Globalization
Imports System.Collections
Imports System.Drawing
Imports System.Windows.Forms
Imports System.Windows.Forms.Design
Imports System.Text
Public Class ColorWithAlphaCollectionPropertyDescriptor
Inherits PropertyDescriptor
Private _Collection As ColorWithAlphaCollection = Nothing
Private _Index As Integer = -1
Sub New(ByVal Collection As ColorWithAlphaCollection, ByVal Index As Integer)
MyBase.New("#" + Index.ToString(), Nothing)
_Collection = Collection
_Index = Index
End Sub
Public Overrides Function CanResetValue(ByVal component As Object) As Boolean
Return True
End Function
Public Overrides ReadOnly Property ComponentType() As System.Type
Get
Return _Collection.GetType
End Get
End Property
Public Overrides Function GetValue(ByVal component As Object) As Object
Return _Collection(_Index)
End Function
Public Overrides ReadOnly Property IsReadOnly() As Boolean
Get
Return False
End Get
End Property
Public Overrides ReadOnly Property PropertyType() As System.Type
Get
Return _Collection(_Index).GetType()
End Get
End Property
Public Overrides Sub ResetValue(ByVal component As Object)
End Sub
Public Overrides Sub SetValue(ByVal component As Object, ByVal value As Object)
End Sub
Public Overrides Function ShouldSerializeValue(ByVal component As Object) As Boolean
Return True
End Function
Public Overrides ReadOnly Property Attributes() As System.ComponentModel.AttributeCollection
Get
Return New AttributeCollection(Nothing)
End Get
End Property
Public Overrides ReadOnly Property DisplayName() As String
Get
Dim item As ColorWithAlpha = _Collection(_Index)
Return "Color " & _Index
End Get
End Property
Public Overrides ReadOnly Property Description() As String
Get
Return "Defines a color with an alpha level (0-255). 0 being transparent and 255 being full opaque"
End Get
End Property
Public Overrides ReadOnly Property Name() As String
Get
Return "#" + _Index.ToString()
End Get
End Property
End Class
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