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SysUnlinkExtension (Function) In french: SysDissocieExtension Deletes the association between an extension and a command that was created by SysLinkExtension.
// Links the ".txt" extension to the "app.exe" executable
SysLinkExtension(".txt", "C:\Program Files\MyApp\app.exe ""%1""", sysCurrentUser)
...
SysUnlinkExtension(".txt", sysCurrentUser)
Syntax
<Result> = SysUnlinkExtension(<Extension> [, <User>])
<Result>: Boolean - True if the unlink operation was performed,
- False otherwise. ErrorInfo returns more details.
<Extension>: Character string Extension to free. <User>: Optional Integer constant The association between the application and the extension is saved in the registry. Two options are available: | | sysAllUsers
(Default value) | The association will be deleted for all the users of the current computer. Remark: You must have the "Administrator" rights to run this operation. | | sysCurrentUser | The association will be deleted for the current user only. |
Remarks Once the extension is freed, the explorer can temporarily store the association or propose the program that was previously linked (independent data of registries).
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