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| Function MemoryStreamToBitmap(ByVal ms As MemoryStream)
Dim Bitmap As Bitmap = Image.FromStream(ms)
Return Bitmap
End Function
Function BitmapToMemoryStream(ByVal Bitmap As Bitmap)
Dim ms As New MemoryStream
Bitmap.Save(ms, Bitmap.RawFormat)
Return ms
End Function
Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
Dim Stream As MemoryStream = BitmapToMemoryStream(PictureBox1.Image)
Dim OriginalString As String = Convert.ToBase64String(Stream.ToArray)
Dim split As Double = OriginalString.Length / 10
Dim NewString As String = Nothing
Dim part As String
For i = 1 To 10
If i = 1 Then
part = SearchByIndex(OriginalString, 0, split)
NewString += part
ElseIf i = 10 Then
part = SearchByIndex(OriginalString, NewString.Length, OriginalString.Length - NewString.Length)
NewString += part
Else
part = SearchByIndex(OriginalString, NewString.Length, split)
NewString += part
End If
Next
Dim bytes() As Byte = Convert.FromBase64String(NewString)
Dim MS As New System.IO.MemoryStream(bytes)
PictureBox2.Image = MemoryStreamToBitmap(MS)
End Sub
Function SearchByIndex(ByVal AllString As String, ByVal StartIndex As Integer, ByVal Length As Integer)
Dim resultat As String = AllString.Substring(StartIndex, Length)
Return resultat
End Function |
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