Dropdown in AppDesigner Callingback when Selecting the Same Value

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Bowei Li
Bowei Li 2023 年 2 月 2 日
コメント済み: Bowei Li 2023 年 2 月 5 日
I intend to create a drop down with several options, and with each option being selected corresponding to a pop-up window.
{option1, option2, option3}
triggers respectively
{tab1, tab2, tab3}
I find by using "DropDownValueChanged" function there is a problem that, if I selected option1 last time and then select option1 again, it can't trigger anything. This is reasonable since it got triggered only when value is changed.
However, is there a way that I can repeatedly select option1 to trigger tab1? That is, is there a callback like "value selected/ option pushed" that responses to user everytime when the user selects an item, instead of only when item selected is changed?

採用された回答

Amal Raj
Amal Raj 2023 年 2 月 3 日
Hi Bowei,
These may be some workarounds.
  1. You might use a list box rather than a drop-down menu. The ClickedFcn callback in a list box contains the exact features that you're referring to.
  2. Or, if it's possible, you can  add the option "Select" to your dropdown and reassign the dropdown.value to select every time the valueChanged function is used.

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