How can I change the values of edit boxes in a mask?

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Hallo,
I was wondering how to change the values in the edit boxes of simulink block mask. If I understood the following Answer right, this is not possible: https://de.mathworks.com/matlabcentral/answers/98264-why-am-i-unable-to-change-the-default-value-of-a-block-parameter-using-the-set_param-function-in-sim
I would be really happy, if anyone can show me a way to get this done.
Greetings
  4 个评论
Renato SL
Renato SL 2019-9-23
Maybe this reference could help.
I never need to set values of mask parameters programmatically, so I'm not sure what to do.
Perhaps you can give a variable name inside the mask, for example in Cultivator block, you give "value1" as a mask parameter value. Then, in the script, you specify
value1 = 10; %for example
I think that can work, but I don't know if that is what you need.
Malte Otten
Malte Otten 2019-9-23
I took a screenshot from my mask. Maybe this will make it easier. ScreenshotMask.PNG
If I type in the following code, I get the following error message:
>> Simulink.MaskParameter.set(BC,1)
Undefined function or variable 'BC'.

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采纳的回答

Fangjun Jiang
Fangjun Jiang 2019-9-23
Just use
get_param(gcb,'BC')
set_param(gcb,'BC','1');
  8 个评论
Malte Otten
Malte Otten 2019-10-2
编辑:Malte Otten 2019-10-2
I have now applied the changes to the code but I get another problem. If I use more than one of these statements in the initialization script, e.g.
open_system('Testframe_with_Cultivator_mounted');
% Open the mask of the block
blk='Testframe_with_Cultivator_mounted/Cultivator';
% Set values in the edit boxes of the mask
set_param(blk,'BC',num2str(Mdl.implement.Cultivator.BC));
set_param(blk,'h_S1',num2str(Mdl.implement.Cultivator.h_S1));
it will only change the value in box BC. The value in box h_S1 will not be changed when running the script. Both BC and h_S1 are in the same tab and the I have already checked the name of the boxes to ensure that they are right.
Do you have any suggestion on solving this problem?

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