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If the variable is non-Persistent, then the value assigned from script or command window will be valid only for the current session.įor Persistent system variables, when the value is changed either from the dialog or from script, the new value is stored in the Windows Registry at:Ĭomputer\HKEY_CURRENT_USER\Software\OriginLab\SysVar Then the value is saved for future sessions only if the variable is the Persistent type. The difference does not matter if you set or reset the variable from the Set System Variables dialog as described above.īut if you set the value using Command or Script Window such = 50 All other system variables are non-Persistent. These are marked as Persistent in the table below. Of the several hundred system variables, a small number are of the Persistent type. To simply check the value of a system variable, open the Command or Script Window, preface the variable name with then follow with "=" and press = 20 // the current value of the system variable is returned Persistent versus Non-Persistent Variables Note that if you wish to leave the entry in the table, and simply want to revert to default value, you can change the value in the second column to the default value for that variable. The system variable value will be rolled back to the default value.
Right-click on the row corresponding to the variable, and select Delete from the context menu.To roll back a system variable to the default value, do the following: Note that the value change goes into effect only AFTER you close the dialog. Note that the variable name color indicates if the value is default or has been set by user. Change this value to the desired new value. The dialog will display the default value in 2nd column when you click there.Only type the name of the variable, such as ASC. If the variable is not in the list, scroll to the bottom of the list, then click on the empty row and type in the variable name.If your system variable under consideration is already in the list, simply type in the new/desired value.Note that variable names in column 1 are sorted by alphabetic order. Scan the variable list to see if you had previously set/changed the system variable of interest.Open the Set System Variables dialog from the Preferences: Set System Variables.To change the value of a system variable, do the following: Unless recommended by an FAQ or by technical support, there is usually no need for a user to check or set system variable.Īll system variables have a default value, and a set of supported values. A typical Origin user may need to set only a few of them based on their particular needs. There are several hundred system variables. System Variables are used in Origin to control various behaviors, generally at a much lower level than settings found in Preference: Options. 1.4 Persistent versus Non-Persistent Variables.1.3 Checking the value of a System Variable.
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