Visual VB.NET: Convert Document & Images

• Detect the document and image formats
• Support blank/white image, grayscale and color images conversion
• Convert certain range of pages
• Convert in memory for higher speeds
• Detect and convert color space, pixel depth
• Batch conversion support

Requirements

• Windows OS: Windows 7, Windows Vista, and Windows XP, etc
• Windows Server 2003, Windows Server 2008
• .NET Framework 2.0, 3.0, 4.0
• Microsoft Visual Studio 2005, 2008, 2010
• Yiigo.Image for .NET setup

Start to Convert

• Start your Microsoft Visual Studio;
• Choose "Project" in "File-New" from the menu;
• In "New Project" dialog box, choose "Visual Basic Projects";
• Choose "Windows Application" in the "Templates" List and name it "YiigoImagingConversionVBNET";
• In the "Solution Explorer" window from the context menu, right-click on the "References" folder, and select "Add Reference...";
• In the "Add Reference" dialog box, select the ".NET" tab and browse to Yiigo.Imaging.Net.dll library;
• Add it to your VB.NET applications;
• Import Yiigo .NET Image Namespace & copy those following codes:

Imports System.IO
Imports System.Drawing.Printing
Imports Yiigo.Imaging
Imports Yiigo.Imaging.Processing
Imports Yiigo.Imaging.Conversion

' Write conversion function to document image applications
Private Sub Conversion(inFile As String, outFile As String, encoder As ImageEncoder)
    Using src As ImageSource = New FileSystemImageSource(inFile, True)
        Using s As Stream = File.OpenWrite(outFile)
            encoder.Save(s, src, Nothing)
        End Using
    End Using
End Sub

' Convert file formats, for example
Conversion(1.png, 1.gif, New GIFEncoder())


' Batch Conversion, for example
BatchConversion(1.png, 1.gif, New GIFBatchEncoder())
BatchConversion(2.png, 2.gif, New GIFBatchEncoder())
BatchConversion(3.png, 3.gif, New GIFBatchEncoder())
BatchConversion(4.png, 4.gif, New GIFBatchEncoder())