MATLAB SIMULINK 7 - GRAPHICAL USER INTERFACE Manual do Utilizador descarregar pdf (Página 292)

12 Examples of GUIs Created Programmatically

12-14

Note If you specify the Units property, then the Position property, and any

other properties that depend on the value of the

Units property, should follow

the Units property specification.

See the Axes Properties reference page for information about axes properties

and their default values.

The Pop-Up Menu

The following statement creates the pop-up menu.

hPlotsPopupmenu = uicontrol(... % List of available types of plot

'Parent', hMainFigure, ...

'Units','normalized',...

'Position',[0.11 0.85 0.45 0.1],...

'HandleVisibility','callback', ...

'String',mPlotTypes(:,1),...

'Style','popupmenu');

• The uicontrol function creates various user interface controls based on the

value of the

Style property. Here the Style property is set to popupmenu.

• For a pop-up menu, the

String property defines the list of items in the menu.

Here it is defined as a 5-by-1 cell array of strings derived from the cell array

mPlotTypes.

See the Uicontrol Properties reference page for information about properties of

uicontrol objects and their default values.

The Update Push Button

This statement creates the Update push button as a uicontrol object.

hUpdateButton = uicontrol(... % Button for updating selected plot

'Parent', hMainFigure, ...

'Units','normalized',...

'HandleVisibility','callback', ...

'Position',[0.6 0.85 0.3 0.1],...

'String','Update',...

'Callback', @hUpdateButtonCallback);

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MATLAB SIMULINK 7 - GRAPHICAL USER INTERFACE Manual do Utilizador Página 292