====== IOOPTIONS property   ======


 
==== Applies To ====
 
Window.
 
==== Description ====
 
Sets/Gets the file I/O options for the window. File I/O operations, as well as concurrency window locking are tracked here.
 
==== Usage ====
 
//previooptions// = **Set_Property** (//windowname//, **"IOOPTIONS"**, //newiooptions//)

//curriooptions// = **Get_Property** (//windowname//, **"IOOPTIONS"**)
 
==== Parameters ====

IOOPTIONS contains the following fields:
 
^Field^Parameter^
|Field 1|__Value__ - __Description__\\ 0 - Pessimistic locking (currently the only supported option).|
|Field 2|For Pessimistic locking, specifies a lock type.\\ \\ __Value__ - __Description__\\ 0 - Exclusive.\\ 1 - Shared.\\ 2 - No lock.|
|Field 3|Specifies whether file coordinated locking is used.\\ \\ __Value__ - __Description__\\ 0 - Non-file coord locks.\\ 1 - File coord locks.|
|Field 4|__Value__ - __Description__\\ 1 - Self locks OK.|
|Field 5|Not applicable|
|Field 6|Clear form options.\\ \\ __Value__ - __Description__\\ 0 - Clear on write.\\ 1 - Do not clear on write.|
|Field 7|Specifies whether transactions are committed after committing DataSets.\\ \\ __Value__ - __Description__\\ 0 - Commit transaction after committing DataSets.\\ 1 - Do not commit transaction after committing DataSets.|
|Field 8|Specifies whether transactions are rolled back after DataSet commit fails.\\ \\ __Value__ - __Description__\\ 0 - Rollback transaction if DataSet commit fails.\\ 1 - Do not rollback transaction if DataSet commit fails.|
|Field 9|Specifies whether the form will automatically rollback transactions during CLEAR processing.\\ \\ __Value__ - __Description__\\ 0 - Do not roll back transactions during CLEAR processing for DataSet bound forms.\\ 1 - Automatically roll back transactions during CLEAR processing for DataSet bound forms.|
|Field 10|Specifies when required field processing is enforced.\\ \\ __Value__ - __Description__\\ 0 - allow users to tab off of or otherwise leave empty required fields and check all required fields before saving.\\ 1 - Check all required fields only before saving, allowing the user to tab off of or otherwise leave empty required fields.|
|Field 11|Specifies whether QBF events force a Read event.\\ \\ __Value__ - __Description__\\ 0 - Do not force READ event on QBF events.\\ 1 - READ event is triggered by QBF events.|

==== Inputs ====

To set a certain field, issue a Get_Property to get the IOOPTIONS first, replace with the intended modified field and call the Set_Property with the complete @FM-delimited structure.

==== Outputs ====

For Set_Property: It returns the IOOPTIONS for the window when Set_Property was called.

For Get_Property: It returns the current IOOPTIONS for the window.