BarcodeTools.com
Professional BarCode Software
Home
Barcode ActiveX
DataMatrix ActiveX
PDF417 ActiveX
MaxiCode ActiveX
QRCode ActiveX
Barcode .NET
DataMatrix .NET
PDF417 .NET
Barcode ASP.NET
DataMatrix ASP.NET
PDF417 ASP.NET
ISAPI
CGI
LabelBar(Pro)
Console Apps
Barcode Recognition
Order
FAQs
Flash Tutorials
Support
Barcode Types
OnLine Barcode
Our barcode software compatible with Windows XP, 7, 8, 10

Home arrow Barcode ASP.NET arrow More Info arrow Methods
Methods Print E-mail


Barcodes.Barcode Namespace

BarcodeWebControl Class
Barcodes.BarcodeWeb.dll assembly
 
SaveToImageFile Method
Saves the image of the barcode to a file.

Syntax
ErrorCodes SaveToImageFile(double cx, double cy, string sFileName, 
    int lRes, Dimensions dm)
Parameters
cxA double that defines the barcode picture width.
cyA double that defines the barcode picture height.
sFileNameA string expression defining the file name.
lResA integer value that sets the picture resolution.
dmThe Dimensions value. This value defines the units that should be used to specify cx and cy. See remarks.
Return Value
ErrorCodes
Remarks
The format the file will be saved in depends on the extension of the file name For example, if you specify sFileName as "img1.jpg", the barcode will be saved as JPEG.
The following extensions can be used - "bmp", "jpg", "jpeg", "gif", "tiff", "png", "wmf" and "emf".

If the size of an image (cx, cy) is not specified in pixels, its actual size will be calculated using the specified picture resolution - lRes.
Examples
/* 1.
Save the image to a file of the JPEG format. The size of the image will be 200x100 pixels with the resolution of 96 dpi.*/

barcodeControl1.SaveToImageFile( 300, 100, "c:\\barcode.jpg", 0, Barcodes.Barcode.Dimensions.dmPixels );

/* 2.
Save the image to a file of the JPEG format. The size of the image will be 50x25 millimeters with the resolution of 300 dpi.*/

barcodeControl1.SaveToImageFile( 50, 25, "c:\\barcode.jpg", 300, Barcodes.Barcode.Dimensions.dmMM ) ;

/* 3.
Calculate the required barcode width. See GetBarcodeWidth method.*/

double barWidth;
barcodeControl1.GetBarcodeWidth( 3, 96, 96, Dimensions.dmPixels, Dimensions.dmPixels, out barWidth );
// Save the image to a file of the JPEG format. The barcode will have the x-dimension of 3 pixels and the height of 100 pixels.
barcodeControl1.SaveToImageFile( barWidth, 100, "c:\\barcode.jpg", 96, Dimensions.dmPixels ) ;



WriteToBinaryStream Method
This method is similar to SaveToImageFile, but instead of saving the image to a file it represents it as a byte array.

Syntax
ErrorCodes WriteToBinaryStream(System.IO.Stream stream, int width, int height, System.Drawing.Imaging.ImageFormat fmt)

Parameters

streamSpecifies an image stream.
widthAn integer that defines the barcode width.
heightAn integer that defines the barcode height.
fmtSpecifies an image format.

Return Value

ErrorCodes



DrawBarcodeToSize Method
Draws the barcode in the device context or Graphics object. You can use either printer or screen.

Syntax
ErrorCodes DrawBarcodeToSize(double x, double y, double cx, double cy, Dimensions dm, IntPtr hDC)

ErrorCodes DrawBarcodeToSize(double x, double y, double cx, double cy, Dimensions dm, Graphics gr)

Parameters

XA double value that defines the X coordinate of the barcode.
YA double value that defines the Y coordinate of the barcode.
CXA double that defines the barcode width.
CYA double that defines the barcode height.
dmA Dimensions value. This value defines the units that should be used to specify cx and cy.
hDCThe handle of the device context where the barcode will be drawn.
grA Graphics object.

Return Value

ErrorCodes



GetBarcodeWidth Method
This method calculate the width that the barcode must have in order to get the necessary x-dimension.

require a barcode width

Syntax
ErrorCodes GetBarcodeWidth(double lModule, int xRes, int yRes, Dimensions dmIn, Dimensions dmOut, out double width)

Parameters

lModuleThis double value that defines the necessary x-dimension.
xResA long value that defines the resolution (in dpi) along x axis.
yResA long value that defines the resolution (in dpi) along y axis.
dmInA Dimensions value. This value defines the units that should be used to specify lModule.
dmOutA Dimensions value. This value defines the units that should be used to specify the width.

Return Value

ErrorCodes
Example
double wMM;
barcodeControl1.GetBarcodeWidth( 0.5, (int)ev.Graphics.DpiX, (int)ev.Graphics.DpiY, Dimensions.dmMM, Dimensions.dmMM, out wMM );



About Method
Returns an about information.

Syntax
string About()
Return Value
String that specifies an about information.



 

  Home   Order   FAQs   Support   Reader

Copyright © 1999-2016, RKD Software & RKD System Inc., All rights reserved.
All trademarks mentioned are the property of their respective owners.