how to set ActiveX invisible

Question

Fan Sudi 2012-12-18

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/56846-how-to-set-activex-invisible

Hello all,

how to set the ActiveX invisible on figure.

the code :

LEDHandle = actxcontrol( 'MWNUMLED.NumLEDCtrl.1', LEDPos );

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Fan Sudi 2012-12-18

在 MATLAB Online 中打开

K>> a = set(LEDHandle)

a =

               Digits: {}
             Decimals: {}
            BackColor: {}
          BackPicture: {}
           BevelInner: {3x1 cell}
           BevelOuter: {3x1 cell}
              OnColor: {}
             OffColor: {}
                Value: {}
           BevelWidth: {}
          BorderWidth: {}
         LeadingZeros: {}
    SpacingHorizontal: {}
      SpacingVertical: {}
         FixedDecimal: {}
        ItalicsOffset: {}
         SegmentWidth: {}
    SegmentSeparation: {}
      LeadingOneDigit: {}
          DisplayMode: {2x1 cell}
          DecimalSize: {}
      DecimalPosition: {}
     LeadingPlusMinus: {}
         AlphaNumeric: {}
              Outline: {}
         OutlineAlign: {3x1 cell}
         OutlineColor: {}
         OutlineTitle: {}
         OutlineWidth: {}
         SingleBuffer: {}
         FocusOutline: {}
                 hWnd: {}
              Enabled: {}
        Configuration: {}
           AutoRedraw: {}

K>> a.DisplayMode

ans =

    'Numeric'
    'Alpha_Numeric'

K>> b = methods(LEDHandle)

b =

    'AboutBox'
    'Redraw'
    'RedrawStatic'
    'ShowPropertyPage'
    'addproperty'
    'constructorargs'
    'delete'
    'deleteproperty'
    'events'
    'get'
    'interfaces'
    'invoke'
    'load'
    'move'
    'propedit'
    'release'
    'save'
    'send'
    'set'

serial days ago, I deleted it but didn't display again.Now ,there's no Property to hide the LEDHandle.Moved it outside of the screen,but didn't move back.

Walter Roberson 2012-12-18

在 MATLAB Online 中打开

possibly

set(LEDHandle, 'Enabled', {'off'})

Fan Sudi 2012-12-18

Array must be numeric or logical.

this should be: LEDHandle.Enabled = 0 ; or LEDHandle.Enabled = 1 ;

but it didn't work.

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Answer 1

Mark Whirdy 2012-12-18

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https://ww2.mathworks.cn/matlabcentral/answers/56846-how-to-set-activex-invisible#answer_68868

编辑：Mark Whirdy 2012-12-18

在 MATLAB Online 中打开

type

get(LEDHandle)

The link below alludes to an "offcolor" property - does this do anything?

http://j.n.--0613.blog.163.com/blog/static/32176390200710142442458/

Otherwise if the writer of the object didn't create a visible property/method there's not much can be done, I'd suggest a hokey workaround of creating a gui-panel on top of the object and making it visible/invisible to reveal the object underneath.

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Walter Roberson 2012-12-18

I suspect offcolor refers to it being a LED indicator emulator, with one color for "on" and another color for "off". If there is any kind of frame around the indicator, setting offcolor to the surrounding color would leave the frame visible.

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Answer 2

Walter Roberson 2012-12-18

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https://ww2.mathworks.cn/matlabcentral/answers/56846-how-to-set-activex-invisible#answer_68876

Perhaps a MATLAB uicontrol('Style', 'radio') or 'checkbox' would meet your needs? You can set the CData property to draw any rectangular shape where the object would go, and that CData will not change with the Value of the control, so when it was time to change the color of the "LED" you would change its CData.

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how to set ActiveX invisible

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