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Control Types
Simulink enables you to choose how parameter values are entered or selected. You can create three styles of controls: edit fields, check boxes, and pop-up controls. For example, this figure shows the parameter area of a mask dialog box which uses all three styles of controls (with the pop-up control open):
Defining an Edit Control
An edit field enables the user to enter a parameter value by typing it into a field. This figure shows how the prompt for the sample edit control was defined
freq) is determined by the Assignment type defined for the prompt| Assignment |
Value |
| Evaluate |
The result of evaluating the expression entered in the field. |
| Literal |
The actual string entered in the field. |
Defining a Check Box Control
A check box enables the user to choose between two alternatives by selecting or deselecting a check box. This figure shows how the sample check box control is defined.
label) depends on whether the check box is selected and the Assignment type defined for the prompt.| Check box |
Evaluated Value |
Literal Value |
| Checked |
1 |
'on' |
| Not checked |
0 |
'off' |
Defining a Pop-Up Control
A popup enables the user to choose a parameter value from a list of possible values. You specify the list in the Popup strings field, separating items with a vertical line (|). This figure shows how the sample pop-up control is defined.
color) depends on the item selected from the pop-up list and the Assignment type defined for the prompt.