MATLAB SIMULINK 7 - GRAPHICAL USER INTERFACE Guia do Utilizador descarregar pdf (Página 509)

100

101

Add Components to a Programmatic GUI

String Property

Format

Example

Cell array of strings

{'one' 'two' 'three'}

Padded s tring matrix

['one ';'two ';'three']

String vector separated

by vertical slash (|)

characters

['one|two|three']

If you specify a component width that is too small to accommodate one or

more of the specified strings, MATLAB softw are truncates those strings

with an ellipsis.

The

Value property specifies the item or items that are selected when the

component is created. To select a single item, set

Value to a scalar that

indicates the index of the selected list item, where 1 corresponds to the f irst

item in the list.

To select more than one item, set

Value to a vector of indices of the selected

items. To enable selection of more than one item,

Max - Min must be greater

than 1, as in the following statement:

lbh = uicontrol(fh,'Style','listbo x',...

'String',{'one','two','three','four' },...

'Max',2,'Min',0,'Value',[1 3],,...

'Position',[30 20 130 80]);

If you want no initial selection:

1 Set the Max and Min properties to e nable multiple selection

2 Set the Value property to an empty matrix [].

11-21

1 2 ... 504 505 506 507 508 509 510 511 512 513 514 ... 758 759

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