SetupDesignGuide.pdf - Firmware Encoding Index
SetupDesignGuide.pdf - Firmware Encoding Index
SetupDesignGuide.pdf - Firmware Encoding Index
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Setup Design Guide<br />
DRAFT<br />
7.1.12 EFI_HII_PROTOCOL.UpdateForm()<br />
Summary<br />
This function allows the caller to update a form or form package that has previously been registered<br />
with the EFI HII database.<br />
Prototype<br />
EFI_STATUS<br />
(EFIAPI *EFI_HII_UPDATE_FORM) {<br />
IN EFI_HII_PROTOCOL *This,<br />
IN EFI_HII_HANDLE Handle,<br />
IN EFI_FORM_LABEL Label,<br />
IN UINT16<br />
BufferLength,<br />
IN UINT8<br />
*Buffer<br />
};<br />
Parameters<br />
This<br />
Handle<br />
Label<br />
BufferLength<br />
Buffer<br />
A pointer to the EFI_HII_PROTOCOL instance.<br />
Handle of the package where the form to be updated resides.<br />
The label inside the form package where the update is to take place.<br />
The length of the Buffer.<br />
The buffer containing the new tags to insert before Label.<br />
Description<br />
This function allows a program to update a form at runtime. The form must have been built expecting<br />
the update, as a labÄel tag is required. The tags in Buffer are inserted into the form just prior to the<br />
label tag.<br />
Status Codes Returned<br />
EFI_SUCCESS<br />
EFI_INVALID_PARAMETER<br />
EFI_NOT_FOUND<br />
The Form was updated with the new tags.<br />
The buffer for the buffer length does not contain an integral<br />
number of tags.<br />
The Handle, Label, or FormId was not found.<br />
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