UPC-A
UPC-A is a linear symbology, widely used in the United States and Canada for tracking trade items in stores.
This symbology is also known as Universal Product Code version A.
A sample of this symbology
The 13 character value is divided into four parts: system code, manufacturer code, product code, and check digit.
Symbology Characteristics
The following table gives an overview of the characteristics of the symbology.
Item | Details |
---|---|
Implementation Class | UpcASymbology |
Base Class | LinearBarCodeSymbology |
Related ValidationRule Class | UpcAValidationRule |
Encodable Characters | Number characters. |
Supports Checksum | Yes. This symbology implementation auto-calculates and inserts a check digit. |
Has Special Start/Stop Characters | No. |
Fixed Length Requirements | The value must be 11 characters with a 12th character, the check digit, automatically calculated and added by the symbology. |
Important Members
This symbology has these important members:
Member | Description |
---|---|
Background Property | Gets or sets the Brush to use for rendering the background. |
BarHeight Property | Gets or sets the desired height of the bars. |
BarWidthRatio Property | Gets or sets the width ratio of wide lines to narrow lines. |
DisplayName Property | Gets the display name of the symbology. |
DisplayValue Property | Gets or sets the value that is displayed if ValueDisplayStyle is not None . |
Foreground Property | Gets or sets the Brush to use for rendering the foreground. |
MeasureDesiredSize Method | Measures the desired size of the symbology, based on the specified available size. |
MinBarHeightWidthRatio Property | Gets or sets the minimum ratio that the height of the bar code must be in relation to its width. |
QuietZoneThickness Property | Gets or sets the Thickness of the quiet zone. |
Render Method | Renders the symbology to the specified DrawingContext . |
ToBitmap Method | Creates a BitmapSource based on the contents of the symbology. |
ValidateValue Method | Validates that the symbology can parse the specified value. |
Value Property | Gets or sets the value to encode in the bar code. |
ValueDisplayStyle Property | Gets or sets a LinearBarCodeValueDisplayStyle that indicates how the value should rendered. |
ValueIntrusionOffset Property | Gets or sets the distance that the Value text intrudes into the bar code when ValueDisplayStyle is not None . |
Sample XAML
This sample XAML code shows how to create a BarCode using this symbology.
<barCode:BarCode>
<barCode:UpcASymbology Value="03600029145" />
</barCode:BarCode>