Dynamic component makes multiple components !!! in qml

qAminzzz

hi, im using pyqt6 and i have a problem.
i used below code to make a component dynamically

    property var dtaComp: Qt.createComponent("Data.qml")
    property var dtaObj: dtaComp.createObject(crt_MainFrame,
                                    {
                                        x: (crt_frmLeft.width < 250) ? 59 : 259,
                                        width: (crt_frmLeft.width < 250) ? 993 : 743,
                                        y: 109,
                                        height: crt_MainFrame.height - 110,
                                    }
                                    )

and in Data.qml :

    Component.onCompleted:
    {
        print("******* CREATED *******")
    }

when i run this i got this message for 4 time:
'' ******* CREATED ******* ''
i don't know why it is happened

i just wanna make Data class and show this dynamically

i don't really know what is wrong i'm confused
thanks for any help

i commented this code and there is no any CREATED message anymore. so we know problem is in that code

solution:

in last god helped me (:
i understood that when crt_frmLeft.width or height changed my object class also will be make again ( i don't know exactly ) so becarefull to don't bind this object properties

can tell me anybody why that is like this? this is sooooo bad ):

GrecKo

Why are you using dynamic creation here?
Wouldn't the following do what you need?

property Data dtaObj: Data {
    x: (crt_frmLeft.width < 250) ? 59 : 259
    width: (crt_frmLeft.width < 250) ? 993 : 743
    y: 109
    height: crt_MainFrame.height - 110
}

As for the original question, it's just how QML and property bindings work. If you are accessing a property in a declarative binding and this property changes, the binding is reevaluated. Here it means calling dtaComp.createObject again. That's what makes QML so good, but you have to think declaratively to make the most use out of it.

qAminzzz

@GrecKo thank you for your answer.
actually i did'nt know this way to make my component dinamically.
i learned this thing about binding and now i know. thanks