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VB.NET DesignerGlyph.CanBeActivated屬性代碼示例

本文整理匯總了VB.NET中System.Workflow.ComponentModel.Design.DesignerGlyph.CanBeActivated屬性的典型用法代碼示例。如果您正苦於以下問題:VB.NET DesignerGlyph.CanBeActivated屬性的具體用法?VB.NET DesignerGlyph.CanBeActivated怎麽用?VB.NET DesignerGlyph.CanBeActivated使用的例子?那麽, 這裏精選的屬性代碼示例或許可以為您提供幫助。您也可以進一步了解該屬性所在System.Workflow.ComponentModel.Design.DesignerGlyph的用法示例。


在下文中一共展示了DesignerGlyph.CanBeActivated屬性的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的VB.NET代碼示例。

示例1: New

' This glyph shows that the activity's track point is not correctly configured
Friend NotInheritable Class ErrorActivityGlyph
    Inherits DesignerGlyph

    Shared image As Bitmap = Resources.errorIcon
    Dim errorMessage As String

    Friend Sub New(ByVal errorMessage As String)
        Me.errorMessage = errorMessage
    End Sub

    Public Overrides ReadOnly Property CanBeActivated() As Boolean
        Get
            Return True
        End Get
    End Property

    ' Display an error message when this glyph is clicked
    Protected Overrides Sub OnActivate(ByVal designer As ActivityDesigner)
        MessageBox.Show(errorMessage)
    End Sub

    Public Overrides Function GetBounds(ByVal designer As ActivityDesigner, ByVal activated As Boolean) As Rectangle
        Dim imageBounds As New Rectangle()
        If image IsNot Nothing Then
            imageBounds.Size = image.Size
            imageBounds.Location = New Point(designer.Bounds.Right - imageBounds.Size.Width / 4, designer.Bounds.Top - imageBounds.Size.Height / 2)
        End If
        Return imageBounds
    End Function


    Protected Overrides Sub OnPaint(ByVal graphics As Graphics, ByVal activated As Boolean, ByVal ambientTheme As AmbientTheme, ByVal designer As ActivityDesigner)
        image.MakeTransparent(Color.FromArgb(255, 255, 255))
        If image IsNot Nothing Then
            graphics.DrawImage(image, GetBounds(designer, activated), New Rectangle(Point.Empty, image.Size), GraphicsUnit.Pixel)
        End If
    End Sub
End Class
開發者ID:VB.NET開發者,項目名稱:System.Workflow.ComponentModel.Design,代碼行數:39,代碼來源:DesignerGlyph.CanBeActivated


注:本文中的System.Workflow.ComponentModel.Design.DesignerGlyph.CanBeActivated屬性示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台,相關代碼片段篩選自各路編程大神貢獻的開源項目,源碼版權歸原作者所有,傳播和使用請參考對應項目的License;未經允許,請勿轉載。