本文整理汇总了VB.NET中System.Workflow.ComponentModel.Design.DesignerGlyph.OnActivate方法的典型用法代码示例。如果您正苦于以下问题：VB.NET DesignerGlyph.OnActivate方法的具体用法？VB.NET DesignerGlyph.OnActivate怎么用？VB.NET DesignerGlyph.OnActivate使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Workflow.ComponentModel.Design.DesignerGlyph的用法示例。
在下文中一共展示了DesignerGlyph.OnActivate方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的VB.NET代码示例。
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