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How do I set up a dL4 printer file in Windows?

A dL4 program accesses printers by opening a pipe to an external program, usually a batch file, and then outputting to that pipe.
Please refer to dL4 Installation & Configuration Guide for Windows 95/NT for details.

Related Article: Configuring a Printer in dL4 Windows

How do I have dL4 for UNIX clear the screen when a user exits?

The CLOSE macro in the user's Terminal Definition File (TDF) can be defined to output any string of characters when dL4 exits.

How do I print bright colors in a protected field?

Protected fields are printed in dimmed mode. If, however, the characters are already in a dark color, the driver will display the field in a bright color to contrast protected with unprotected characters. Therefore, a protected field appears in a bright color if a dark color is used in the protected field.

How do I use the FONTCOLOR and BACKCOLOR mnemonics in dL4?

The FONTCOLOR and the BACKCOLOR mnemonics set the foreground text and background colors, respectively. They take RGB color values to set appropriate color. The following statements provide examples for both FONTCOLOR and BACKCOLOR.

How do I change the color of the border of a dL4 window?

The following program sets the background and foreground borders and default colors to blue and yellow, respectively.

How does 'Begin Protect' work in dL4?

In dL4, by default, the BP/EP operations take effect only when format mode is enabled by the 'FM' mnemonic. As in IRIS, the preferred way of using protected mode is to output all protected fields with format mode off ('FX'), and then output 'FM' when finished.

Where do I find more information about Printer Definition Files?

A detailed description can be found in a white paper on Terminal Definition Files. You may download a copy from our Web Site by visiting our Download Center.

What is a Printer Definition File (PDF)?

A Printer Definition File is similar to a Terminal Definition File and it is used for translating printer output. A detailed description can be found in a white paper on Terminal Definition Files. You may download a copy from our Web site by visiting our Download Center.

Where do I find more information about Terminal Definition Files?

A detailed description can be found in a white paper on Terminal Definition Files. You may download a copy from our Web Site by visiting our Download Center.

What is a Terminal Definition File (TDF)?

A Terminal Definition File (TDF) is similar in function to a UniBasic term.xxx file. It is used to define action keys, mnemonics, function keys, and I/O translation. A detailed description can be found in a white paper on Terminal Definition Files. You may download a copy from our Web Site by visiting our Download Center.