KeyExists

Reports whether a TOML key path exists in the current document.

Clarion class declaration

KeyExists PROCEDURE(STRING pKeyPath,*BYTE pExists),LONG

Reports whether a TOML key path exists in the current document.

Parameter	Type	Description
pKeyPath	STRING	Dotted or indexed TOML key path.
pExists	*BYTE	Receives ProTOML:True or ProTOML:False.

Returns ProTOML:OK on success or a negative ProTOML error code. Call GetLastError for readable details.

Exists  BYTE
RetCode LONG

CODE
RetCode = Toml.KeyExists('application.name',Exists)

The class captures DLL diagnostics immediately and retains them in LastErrorCode and LastErrorText.