dlg_client_data_tile
int dlg_client_data_tile (sds_hdlg handle, wchar_t *key, void *data);
Associate data with a dialog box tile.
This function associates user-defined data with a dialog box tile.
The handle argument is the name of the dialog box.
The key argument specifies the tile.
The data argument specifies the data via callbacks.
This function returns RTNORM or an error code.