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Vb.net 值不能为null。参数名称:stream_Vb.net_Stream - Fatal编程技术网

Vb.net 值不能为null。参数名称:stream

Vb.net 值不能为null。参数名称:stream,vb.net,stream,Vb.net,Stream,值不能为null。参数名称:stream 有人能帮我写代码吗 Me.PictureBox1.Image.Save(memStream, System.Drawing.Imaging.ImageFormat.Jpeg) Dim imSource() As Byte = memStream.GetBuffer Dim imStatus As Integer = publicStream.Read(imSource, 0, streamLength - 1) imSource.GetValue(mem

值不能为null。参数名称:stream 有人能帮我写代码吗

Me.PictureBox1.Image.Save(memStream, System.Drawing.Imaging.ImageFormat.Jpeg)
Dim imSource() As Byte = memStream.GetBuffer
Dim imStatus As Integer = publicStream.Read(imSource, 0, streamLength - 1)
imSource.GetValue(memStream.ReadByte)

您在哪里声明和实例化了
memStream
?您将需要以下内容:

Dim memStream as MemoryStream = new MemoryStream

选择要作为流读取的图像或文件,在属性中,将构建操作更改为嵌入式资源。

以及memStream是如何创建/声明的?