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Code 93

Code 93 is a linear symbology, designed in 1982 by Intermec to provide a higher density and data security enhancement to Code 39.

Each Code 93 character is divided into nine modules and always has three bars and three spaces. This symbology is primarily used by the Canadian postal office.

Screenshot

A sample of this symbology

An extended implementation of Code 93 is available in Code 93 Extended. That implementation allows for all lower 128 ASCII characters to be encoded based on the core Code 93 concepts.

Symbology Characteristics

The following table gives an overview of the characteristics of the symbology.

Item Details
Implementation Class Code93Symbology
Base Class LinearBarCodeSymbology
Related ValidationRule Class Code93ValidationRule
Encodable Characters Number, uppercase letter, and -$% ./+ characters.
Supports Checksum Yes. This symbology implementation auto-calculates and inserts two check characters.
Has Special Start/Stop Characters Yes. Must start and stop with * characters, but these are automatically appended for you.
Fixed Length Requirements No. The symbology value may be any number of characters.

Important Members

This symbology has these important members:

Member Description
AreStartStopCharactersVisible Property Gets or sets whether the start/stop characters (*) are visible in the displayed value.
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:Code93Symbology Value="ABC-123" />
</barCode:BarCode>