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在处理大图像(大小约为48 MB,TIFF文件有175页时)时,我正面临一个奇怪的问题。现在,当我试图将Imagefile转换为位图并执行一些操作时,随机系统会抛出“内存异常异常”在.NET中使用图像时出现内存不足异常(VB.Net 2008)
下面是我的代码片段。我在线上获取错误(随机)“pages =新位图(lorigionalFile)”,其中LoriginalFile是ImageType,Page是Bitmap。
因此,请指导我如何消除此类错误或停止内存泄漏。
Dim lorigionalFile As System.Drawing.Image
Dim SaveEncodeParam As EncoderParameter 'Encoder parameter to create multi page image
Dim EncoderParams As EncoderParameters = New EncoderParameters(1) 'Encoder parameter Array
Dim pages As Bitmap 'Used to save image page
Dim NextPage As Bitmap 'Used to save next image page
Dim PageNumber As Integer
Lfr = File.Open(FileName, FileMode.Open, FileAccess.ReadWrite)
lorigionalFile = System.Drawing.Image.FromStream(Lfr)
''Get number of page count in image
PageNumber = getPageNumber(lorigionalFile)
'set first page as active frame
cintPagenumber = PageNumber
'loop to every page of attached document
For i As Integer = 0 To PageNumber - 1
'set active from as per loop variable
lorigionalFile.SelectActiveFrame(FrameDimension.Page, i)
'Will get errow in below line(randomly), when there are other programs running in background
pages = New Bitmap(lorigionalFile)
'image store in Image
CalImageContainer.Add(pages)
'make a copy on image container
CalImageContainerCopy.Add(pages)
Next
Lfr.Close()
End Try
感谢
PRATIK vohera