DeleteWindowVar ( "hello" )

Delete a global variable previously scoped to the current window with SetWindowVar()

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Jason Wood - Show more from this author
Define Database
https://www.definedatabase.com

Sample input:

DeleteWindowVar ( "hello" )

Sample output:

{"Window name will be here":{}}
//Assuming that the window scoped variable "hello" was previously set with SetWindowVar ( "hello" ; "world" ; JSONString ) and no other variables were set in this or any other window. You can delete all variables scoped to the current window with DeleteWindowVar ( "" ). Sample output assuming no other windows have scoped variables: {}

Function definition: (Copy & paste into FileMaker's Edit Custom Function window)

/*
==================================================================
PURPOSE:
	Delete a var from a JSON object that is scoped to the current window.
       
PARAMETERS:
	keyOrIndexOrPath | string

RETURNS:
	(string) Value of specified keyOrIndexOrPath

NOTES & DEPENDENCIES:
	You can delete all variables scoped to the current window by passing an empty keyOrIndexOrPath

CONTRIBUTORS
	JW / Jason Wood / Define Database / www.definedatabase.com

CHANGELOG
	2021-03-21 JW Created
==================================================================
*/

Let ([
  $$WINDOWVARS = If ( Left ( JSONGetElement ( $$WINDOWVARS ; "xalsdjfaluksdfjlnzvoiysehsz" ) ; 3 ) = "? *" ; "{}" ; $$WINDOWVARS ) ;
  $$WINDOWVARS = JSONDeleteElement ( $$WINDOWVARS ; Get ( WindowName ) & "." &  keyOrIndexOrPath ) 
]; 
$$WINDOWVARS
)

See also: SetWindowVar() and GetWindowVar()

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Note: these functions are not guaranteed or supported by BrianDunning.com. Please contact the individual developer with any questions or problems.

DeleteWindowVar ( "hello" )

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