Both these scripts are available for any destination table The source objects

Both these scripts are available for any destination

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Both these scripts are available for any destination table. The source objects for a particular script can be from any table, so the script must examine the table using src.agtable before it can access any fields. Each attachment in database can store textual information (columns COMMENTSTR and SOURCE in table BT_DOCGROUPLINK). This text can be entered in a dialog box, which is, by default, shown for every attachment. The PRE_ADD_ATTACHMENT script can suppress the dialog box by setting myvar.opendestdlg to 0. (Note that this variable has a different meaning here than in the drag-and-drop scripts : despite the word “dest” in the variable name, the data edited in the dialog box is stored in the link table, not in the destination table.) The form of the dialog box depends on the source table; for example, with CM_IMAGE sources there are fields both for the caption and the image source, and default values for these are taken from certain metadata fields in the source object. The script cannot alter the dialog appearance or the default value logic. However, if the script modifies those src.xxx fields where the default values are taken from, then these modified values are used as default instead of the original database values. The src and dest objects passed to PRE_ADD_ATTACHMENT are primarily meant for testing the object types and metadata values and thereby deciding whether the attachment is allowed or not. Changes done by PRE_ADD_ATTACHMENT to src or dest are not saved in database. Normally an option is provided to skip the dialog box for the remaining source documents if several documents are being attached at a time. If the user selects that option, no further dialog boxes are shown regardless of what the PRE_ADD_ATTACHMENT script returns in myvar.opendestdlg. However, by setting myvar.opendestdlg to 2 the script can remove the skipping option from every dialog box and thereby force the dialog box to appear for every source document. If the user is attaching several documents at a time, PRE_ADD_ATTACHMENT and the attachment dialog box are first run for every source document in turn, the dialog box being skipped if the user chose the skipping option or if the script set myvar.opendestdlg to 0. After processing all sources in this way, the attachment operations are executed in a single database transaction using the data obtained from the dialog boxes. During this phase ADD_ATTACHMENT_SCRIPT is called once for each source document that remains from the initial processing. Of the sources that the user originally tried, only part may remain in this phase if PRE_ADD_ATTACHMENT set myvar.result to 0 for some source or if the user pressed Cancel in some dialog box. For PRE_ADD_ATTACHMENT and ADD_ATTACHMENT_SCRIPT the dest object is the same for each script invocation when several attachments are done at a time, so if the script changes the dest fields, the changes are cumulative. The src and dest objects in ADD_ATTACHMENT_SCRIPT
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Anygraaf Neo System Configuration Guide Scripting
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