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VB.NET Graphics.AddMetafileComment方法代碼示例

本文整理匯總了VB.NET中System.Drawing.Graphics.AddMetafileComment方法的典型用法代碼示例。如果您正苦於以下問題:VB.NET Graphics.AddMetafileComment方法的具體用法?VB.NET Graphics.AddMetafileComment怎麽用?VB.NET Graphics.AddMetafileComment使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在System.Drawing.Graphics的用法示例。


在下文中一共展示了Graphics.AddMetafileComment方法的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: AddMetafileCommentBytes

Private Sub AddMetafileCommentBytes(ByVal e As PaintEventArgs)

    ' Create temporary graphics object for metafile
    ' creation and get handle to its device context.
    Dim newGraphics As Graphics = Me.CreateGraphics()
    Dim hdc As IntPtr = newGraphics.GetHdc()

    ' Create metafile object to record.
    Dim metaFile1 As New Metafile("SampMeta.emf", hdc)

    ' Create graphics object to record metaFile.
    Dim metaGraphics As Graphics = Graphics.FromImage(metaFile1)

    ' Draw rectangle in metaFile.
    metaGraphics.DrawRectangle(New Pen(Color.Black, 5), 0, 0, 100, 100)

    ' Create comment and add to metaFile.
    Dim metaComment As Byte() = {CByte("T"), CByte("e"), CByte("s"), _
    CByte("t")}
    metaGraphics.AddMetafileComment(metaComment)

    ' Dispose of graphics object.
    metaGraphics.Dispose()

    ' Dispose of metafile.
    metaFile1.Dispose()

    ' Release handle to scratch device context.
    newGraphics.ReleaseHdc(hdc)

    ' Dispose of scratch graphics object.
    newGraphics.Dispose()

    ' Create existing metafile object to draw.
    Dim metaFile2 As New Metafile("SampMeta.emf")

    ' Draw metaFile to screen.
    e.Graphics.DrawImage(metaFile2, New Point(0, 0))

    ' Dispose of metafile.
    metaFile2.Dispose()
End Sub
開發者ID:VB.NET開發者,項目名稱:System.Drawing,代碼行數:42,代碼來源:Graphics.AddMetafileComment


注:本文中的System.Drawing.Graphics.AddMetafileComment方法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。