本文整理汇总了VB.NET中System.Windows.Ink.StrokeCollection.Draw方法的典型用法代码示例。如果您正苦于以下问题:VB.NET StrokeCollection.Draw方法的具体用法?VB.NET StrokeCollection.Draw怎么用?VB.NET StrokeCollection.Draw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.Windows.Ink.StrokeCollection
的用法示例。
在下文中一共展示了StrokeCollection.Draw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: InkThumbnail
Public Class InkThumbnail
Inherits FrameworkElement
Private sourceInkCanvas As InkCanvas = Nothing
' Get the InkCanvas that the user draws on.
Public Property Source() As InkCanvas
Get
Return sourceInkCanvas
End Get
Set(ByVal Value As InkCanvas)
If Not sourceInkCanvas Is Nothing Then
' Detach the event handler from the former InkCanvas.
RemoveHandler sourceInkCanvas.StrokeCollected, AddressOf SourceChanged
End If
sourceInkCanvas = Value
If Not sourceInkCanvas Is Nothing Then
' Attach the even handler to the InkCannvas
AddHandler sourceInkCanvas.StrokeCollected, AddressOf SourceChanged
End If
End Set
End Property
' Handle the StrokeCollection event of the InkCanvas.
Private Sub SourceChanged(ByVal sender As Object, ByVal e As InkCanvasStrokeCollectedEventArgs)
' Cause the thumbnail to be redrawn.
Me.InvalidateVisual()
End Sub
Protected Overrides Sub OnRender(ByVal drawingContext As DrawingContext)
MyBase.OnRender(drawingContext)
' Draw the strokes from the InkCanvas at 1/4 of their size.
drawingContext.PushTransform(New ScaleTransform(0.25, 0.25))
If Not sourceInkCanvas Is Nothing Then
sourceInkCanvas.Strokes.Draw(drawingContext)
End If
End Sub
End Class