Use the "Logging in a user" menu item to call up a pate for user log-in. As a rule, log-in must be possible irregardless of the current user level. For this, the "Login" page will be called up.
Call up of the "Login" page was realised as follows:
•Click on this symbol in order to open the dialogue for creating a touch field.
•In the field "Name" field to allocate a name to the touch field object. In the demo-project "Btn_ChangeUser".
•Use the "Access authorization" selection field to select the required password level. In the demo-project "0 = free access".
•The other parameters retain their default values.
•Change to the Graphics list".
•At the top left, beneath the "Graphics library", select the "Project: Graphics\Touchfields" project directory, where the images you need are stored.
•In the selection list, double-click on the "Btn_Circle_UsrMan_r.gif" image to specify the image to be used for the touch field in its un-pressed (normal) state.
•In the selection list, double-click on the "Btn_Circle_UsrMan_p.gif" to specify the image to be used for the touch field in its pressed state.
•Change to the "Functions" register.
•Click on to open the list of functions that can be programmed for the touch field.
•Open the "Page navigation" function group.
•Double-click on the "Selecting a screen page" function.
•On the parameter list, click on "Page name".
•In the "Screen page" selection field, allocate the "Login" page to this button.
•Click on to complete the parameterisation of the touch field and to accept the parameters.