List.HasValue

Checks whether a list contains a given value.

Parameters

Parameter	Description	Example
List	The list to process.	"Hello" ¶ "" ¶ "World"
Value	The value to check.	"Hello"

Result

Returns 1, 0 or error.

Description

Examples

Check if value is in list:

MBS( "List.HasValue"; "1¶2¶3"; "2" )

Print what user selected:

# Show dialog to select something
Set Variable [$r; Value:MBS("ListDialog.ClearList")]
Set Variable [$r; Value:MBS("ListDialog.SetPrompt"; "Please select items to print:")]
# We use tags as the visible titles may be localized.
Set Variable [$r; Value:MBS("ListDialog.AddItemToList"; "Werbung¶Angebot¶Rechnung¶Erinnerung"; "Flyer¶Offer¶Invoice¶Reminder")]
Set Variable [$r; Value:MBS("ListDialog.SetAllowMultipleSelection"; 1)]
Set Variable [$r; Value:MBS("ListDialog.SetSelectedTitle"; "Offer")]
# Show dialog
Set Variable [$r; Value:MBS("ListDialog.ShowDialog")]
# now do things
Set Variable [$selected; Value:MBS("ListDialog.GetSelectedTag")]
If [MBS("List.HasValue"; $selected; "Flyer")]
    # print flyer
End If
If [MBS("List.HasValue"; $selected; "Invoice")]
    # print invoice
End If
If [MBS("List.HasValue"; $selected; "Offer")]
    # print offer
End If
If [MBS("List.HasValue"; $selected; "Reminder")]
    # print reminder
End If

See also

• List.AddValue
• List.SetValue
• ListDialog.AddItemToList
• ListDialog.ClearList
• ListDialog.GetSelectedTag
• ListDialog.SetAllowMultipleSelection
• ListDialog.SetPrompt
• ListDialog.SetSelectedTitle
• QuickList.HasValue
• QuickList.HasValues

Release notes

• Version 14.2
  • Added QuickList.HasValues and Dictionary.HasKeys functions.

Blog Entries

• MBS FileMaker Plugin, version 6.4pr8

This function checks for a license.

Created 16th September 2016, last changed 16th September 2016

List.HasDuplicateItems - List.IndexOfFirstValueMatching