ISPF DIALOG DEVELOPER GUIDE AND REFERENCE PDF

You can track this item individually or track all items by product. Notify me when this APAR changes. Notify me when an APAR for this component changes. By setting the value to NO, dialogues will continue to operate correctly without code modifications. String is a complete word. Words are delimited by blanks or special characters.

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You need only specify namelist. The optionlist parameter is optional and can be used when you are defining either SAS character variables or SAS numeric variables. The LIST option is not supported. COPY allows the value of the variable that is being defined to be initialized to the value of a dialog variable that has the same name in the function pool, shared pool, or profile pool. If no format or informat is associated with the variable, then the default SAS format or informat is used.

Character Variables In addition to containing strings of printable characters, SAS character variables can actually contain any data value.

ISPF treats the variable accordingly. In order to prevent the data from being overwritten, you must do the following: Create multiple variables whose total length equals or exceeds the length required. The variables are to be initialized with the values from variables of the same name that already exist in the variable pools. If missing values are not appropriate, you can redisplay the panel along with an appropriate error message and prompt the user to re-enter the invalid values correctly.

Null values are valid for ISPF values. The special missing value of underscore distinguishes between an invalid value from an informat which will have a missing value and a value that was not provided. Truncated Values for Numeric Variables To avoid truncating the values of numeric variables, you must either provide a format whose length does not exceed the size of the display field, or you must increase the length of the display field itself.

If no format is associated with a numeric variable, the default format width is 12 characters. Uninitialized Variables When a variable is neither specified with an initial value in a RETAIN statement nor appears on the left side of the equal sign in an assignment statement, the SAS log shows the Note: Variable varname is uninitialized message. To prevent the message from being generated, put the variable in a RETAIN statement with an initial value, or use the variable in an assignment statement.

Instead, an alternate method was provided see Specifying Fixed Binary Parameters. The alternate method is still supported but is not required. This facility provides aids for testing functions, panels, variables, messages, tables, and skeletons.

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Ispf Dialog Developer's Guide and Reference

You can track this item individually or track all items by product. Notify me when this APAR changes. Notify me when an APAR for this component changes. This is not correct. Manual should note that the dslist can contain duplicate dsnames and opt3. The dslist will always be complete ie:no omissions but duplicate entries may be listed The "Data Set List Filter Exit" documented in the "Planning and Customizing" manual allows a site to write code that will remove duplicate dsnames according to any criteria they feel best applies to their installation. The doc on 2.

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Users also should be familiar with the MVS operating system. What Is in This Book? Chapter 1. Introduction to Writing Dialogs, provides introductory information on how to write dialogs using the ISPF services for display, variable, table, file tailoring, and PDF. Panel Definition Statement Guide, provides guide-type information for sections, panel definition statements, and control variables. It explains how to create panels using the panel definition statements. ISPF Help and Tutorial Panels, describes online help and tutorial panels that a developer can include to provide online information for an application user.

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Running ISPF

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