本文整理匯總了VB.NET中System.Windows.Forms.TrackBarRenderer.IsSupported屬性的典型用法代碼示例。如果您正苦於以下問題：VB.NET TrackBarRenderer.IsSupported屬性的具體用法？VB.NET TrackBarRenderer.IsSupported怎麽用？VB.NET TrackBarRenderer.IsSupported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類System.Windows.Forms.TrackBarRenderer的用法示例。
在下文中一共展示了TrackBarRenderer.IsSupported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: OnPaint
' Draw the track bar.
Protected Overrides Sub OnPaint(ByVal e As PaintEventArgs)
If Not TrackBarRenderer.IsSupported Then
Me.Parent.Text = "CustomTrackBar Disabled"
Return
End If
Me.Parent.Text = "CustomTrackBar Enabled"
TrackBarRenderer.DrawHorizontalTrack(e.Graphics, _
trackRectangle)
TrackBarRenderer.DrawTopPointingThumb(e.Graphics, _
thumbRectangle, thumbState)
TrackBarRenderer.DrawHorizontalTicks(e.Graphics, _
ticksRectangle, numberTicks, EdgeStyle.Raised)
End Sub
' Determine whether the user has clicked the track bar thumb.
Protected Overrides Sub OnMouseDown(ByVal e As MouseEventArgs)
If Not TrackBarRenderer.IsSupported Then
Return
End If
If Me.thumbRectangle.Contains(e.Location) Then
thumbClicked = True
thumbState = TrackBarThumbState.Pressed
End If
Me.Invalidate()
End Sub