B4J Question Contextmenu passes mouse right click and activates button being clicked on.

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Tim Chapman

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I am using the contextmenu here:

Contextmenu (SOLVED)

Can anyone give me an example of how to add a contextmenu to a Label. It's probably easy but I cannot get it to work. I have searched the forum but nothing helped. Thanks Dave.
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When I right click on a button to bring up the context menu, the button is activated.
I have found that this is the case only when the sub that catches the normal button click is like this:
Private Sub btnExampleButton_MouseClicked(EventData As MouseEvent).
If the envent handleer is changed to Private Sub btnExampleButton_Click, then the problem goes away.
This prevents the EventData as MouseEvent from being available in the sub that handles the mouse click which can also be a problem.
Is there a better way to fix this problem?

See here for more details:

Context menu for multiple nodes

I am not sure if I am using the correct word "nodes". I want a context menu that has one sub that handles right click events on various buttons, labels, etc (nodes?). The code here does that: https://www.b4x.com/android/forum/threads/contextmenu-solved.146746/ BUT, It doesn't indicate which...
www.b4x.com
 
Last edited:
Solution
A simple solution is to check whether it is the secondary button:
B4X: 
Private Sub Button1_MouseClicked(EventData As MouseEvent) 
    If EventData.SecondaryButtonPressed Then Return
    xui.MsgboxAsync("Hello world!", "B4X")
End Sub

I saw your comment in the code but I'm not sure that I understand it.
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Tim Chapman

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Erel said:
Can you create a small project with this code?
Click to expand...
Hi Erel,
It is attached.
Change line 69. _Clicked won't allow the right click to pass to the button. _MouseClicked(EventData As MouseEvent) will. Please let me know if I can be of further assistance.
 

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  • ContextMenu.zip
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Tim Chapman

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My comment was to say that if you use Button1_MouseClicked(EventData As MouseEvent) , then the right click will pass through and activate the button.
If you use Button1_Click, then it won't. This doesn't allow the EventData to be usable.

Your answer is great because it allows the EventData to be usable as well as the right click.
 
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Tim Chapman

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Erel said:
A simple solution is to check whether it is the secondary button:
Click to expand...
This does not work when right clicking on a combobox. So I am using the code here to try to fix this:

Help. When I click on a combobox I want to run a subroutine

This has to be a question that has been answered, but I can't find a solution. Help. I have 2 comboboxes (B4xComboboxes). I fill them and I can click a "Run" button and get what I want from the boxes. Fine, but when I click on a combobox (I get focus?) I want another sub to run (specifically to...
www.b4x.com
I found that it won't work because I am not using B4XComboBoxes.

Would it make more sense to change the way the right click works so that it is consumed by the context menu?
 
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