Chapter 2: DataWindow Expression Functions

Bitmap

Description

Displays the specified bitmap.

For computed fields only You can use the Bitmap function only in a computed field.

Syntax

Bitmap ( string )

Argument	Description
string	A column containing bitmap files, a string containing the name of an image file (a BMP, GIF, or JPEG file), or an expression that evaluates to a string containing the name of an image file

Returns

The special datatype bitmap, which cannot be used in any other function.

Usage

Use Bitmap to dynamically display a bitmap in a computed field. When string is a column containing bitmap files, a different bitmap can display for each row.

Examples

Example 1

These examples are all expressions for a computed field.

This expression dynamically displays the bitmap file contained in the column named employees:

Bitmap(employees)

Example 2

If the employees column is column 3, this next expression gives the same result as the expression above:

Bitmap(#3)

Example 3

This expression displays the bitmap TOOLS.BMP:

Bitmap("TOOLS.BMP")

Example 4

This expression tests the value in the column named password and then uses the value to determine which bitmap to display:

Bitmap(If(password = "y", "yes.bmp", "no.bmp"))