Refreshing image of button

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Posted on by stekbi

Hi everybody,

Today I'm facing a little issue.

In a form, I have a simple Menu Item Button whith an icon from Embedded ressources and text defined.

In active method of the main datasource, I change the text and the icon based on value. This works well.

In addition, when I click on the button itself, the text and icon have to change too. This works too except the first time I click the button after opening the form, the text change well but the icon dont.

I tried lock/unlock, lockWindowUpdate and even redraw methods on form, but it doesn't work. I tried to execute the sequence in debugger but it doesn't help.

Again, the problem occurs only the first time I click on, if I click multiple time, the icon switch well.

Here's my code :

void clicked()
{
    super();
    element.DLZmanageLockedPurchSalesInventButton();
}

public void DLZmanageLockedPurchSalesInventButton()
{
    InventItemInventSetup           inventItemInventSetup;
    InventItemPurchSetup            inventItemPurchSetup;
    InventItemSalesSetup            inventItemSalesSetup;
    
    #define.inventDimIdBlank("AllBlank")
    #define.imgLock("12102")
    #define.imgUnlock("12103")


    select firstOnly inventItemPurchSetup
    where inventItemPurchSetup.ItemId       == InventTable.ItemId   &&
          inventItemPurchSetup.InventDimId  == #inventDimIdBlank;

    if(inventItemPurchSetup.RecId)
    {
        if (inventItemPurchSetup.Stopped)
        {
            DLZItemLockPurch.text("@DLZ1433");
            DLZItemLockPurch.normalImage(#imgUnlock);
        }
        else
        {
            DLZItemLockPurch.text("@DLZ1434");
            DLZItemLockPurch.normalImage(#imgLock);
        }
    }

    select firstOnly inventItemSalesSetup
    where inventItemSalesSetup.ItemId       == InventTable.ItemId   &&
          inventItemSalesSetup.InventDimId  == #inventDimIdBlank;

    if(inventItemSalesSetup.RecId)
    {
        if (inventItemSalesSetup.Stopped)
        {
            DLZItemLockSales.text("@DLZ1435");
            DLZItemLockSales.normalImage(#imgUnlock);
        }
        else
        {
            DLZItemLockSales.text("@DLZ1436");
            DLZItemLockSales.normalImage(#imgLock);
        }
    }

    select firstOnly inventItemInventSetup
    where inventItemInventSetup.ItemId       == InventTable.ItemId   &&
          inventItemInventSetup.InventDimId  == #inventDimIdBlank;

    if(inventItemInventSetup.RecId)
    {
        if (inventItemInventSetup.Stopped)
        {
            DLZItemLockInvent.text("@DLZ1437");
            DLZItemLockInvent.normalImage(#imgUnlock);
        }
        else
        {
            DLZItemLockInvent.text("@DLZ1438");
            DLZItemLockInvent.normalImage(#imgLock);
        }
    }
}

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Answers (1)

nmaenpaa 101,160 Moderator on at

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Did you debug it? I recommend removing all business logic for now and concentrate on changing the image of the button when it's clicked. This way you can investigate only the part that is important for changing the image, and be sure that nothing else is causing unexpected results.

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stekbi 40 on at

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Thank you for helping.

I followed your advice by commenting all code related to this button (active method of DS, etc) and simplified the logic for testing purpose. Here's my simplified logic :

void clicked() { #define.imgLock("12102") #define.imgUnlock("12103") i ; if (i mod 2 == 0) { this.normalImage(#imgUnlock); } else { this.normalImage(#imgLock); } super(); //element.DLZmanageLockedPurchSalesInventButton(); }

My var "i" is declared in classDeclaration of form.

The problem remain the same. On first click, nothing happen, but on next everythink is going well. I debuged and the properties take the good value but the icon dont switch.

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nmaenpaa 101,160 Moderator on at

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Not sure what these two images are, but to me it seems you still have too much logic to really test it. I don't know what is the original image in the button when the form is opened, and what is value of "i" when the form is opened, so there's still too many unknown variables for me.

My assumption is that your if-else conditions are not working as you expect.

So please try this:

void clicked() { #define.imgLock("12102") this.normalImage(#imgLock); super(); }

It should change the button image to #imgLock when the button is clicked (one time).

Does it work?

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stekbi 40 on at

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The original image of button is 12103. I tested the code you suggest and still the same problem. First click -> nothing, second click change image.

In debugger, the property change well from first click.

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Verified answer

stekbi 40 on at

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MMm okay, I desperately tried something :

void clicked() { #define.imgLock("12102") #define.imgUnlock("12103") this.normalImage(#imgLock); this.normalImage(#imgLock); super(); //element.DLZmanageLockedPurchSalesInventButton(); }

And it works.... I'm not satisfied with this.

My ego and curiosity as young developper cannot accept this, I need to understand.

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Sergei Minozhenko 23,093 on at

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Hi Stekbi,

You can try also to force form redraw with element.redraw() method.

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stekbi 40 on at

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Hi Sergei and thank you for answering.

As I said earlier, I already tried this solution without any result.

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