BytesFromFile( String )

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Basic and Crystal Syntax

Description:

Reads a file from the specified path or URL and returns its binary data. This function may be very helpful to load images from a file or an URL. If you have create a formula with a return type of binary then you can drag and drop the formula in the report to show it as dynamic picture.

Usage:

BytesFromFile( String )

Parameters:

Returns:

Binary

Examples:

BytesFromFile("C:/test.jpg");	// Returns the image in c:/test.jpg as a byte array.

BytesFromFile("http://myserver.com/images/logo.gif")
//returns the image which can be found at the URL http://myserver.com/images.logo.gif

• relative path to the location of the report
  Sample: ./myimage.png
• absolute file path
  Sample: /opt/var/images/myimage.png
• URL
  Sample: http://myserver.com/images/myimage.png

The supported picture formats are:

• Gif
• Jpg, Jpeg
• Png
• Bmp
• Wmf, Emf

See also:

• Additional functions
• TextFromFile

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