Re: calling a parent window class method from a child window class

Or even better

CMyParentClass* pParent = dynamic_cast<CMyParentClass*>(this->GetParent());
if(pParent){
    pParent->MyMethod( ... );
}

On Wednesday, July 17, 2024 at 11:39:30 AM UTC+3 Gregory van der Heijden 
wrote:

> Thanks!
> Your solution works perfectly. I'll have a look at generating a custom 
> event and propagating it. It's bound to be handy one day or the other!
>
> On Wed, 17 Jul 2024 at 10:19, Rossano Paris <[email protected]> wrote:
>
>> Hello Gregory
>>
>> Based on my experience it is always better working with events ...
>> Anyway, in your child window .cpp file, you could try to use the code 
>> below 
>>
>> # include "MyParentClass.h"
>>
>> CMyParentClass* pParent = (CMyParentClass*)this->GetParent();
>> pParent->MyMethod( ... );
>>
>> On Wednesday 17 July 2024 at 10:07:41 UTC+2 Gregory van der Heijden wrote:
>>
>>> Hello,
>>>
>>> I am working on a plot/chart display wxWidgets application in which I 
>>> have in my main frame a child wxWindow for drawing the chart and a panel in 
>>> which I have four text controls.
>>> I can set the min and max range for the X and Y axes of my chart with 
>>> the text controls but I have also implemented a mouse drag procedure to 
>>> directly select an area on the chart to zoom into (this procedure uses 
>>> mouse events in the chart window (child)).
>>>
>>> What I would like to do is update the values displayed in the text 
>>> controls when the chart axis ranges are modified by the mouse drag 
>>> procedure. 
>>>
>>> *QUESTION: *Is there anyway for a child window (the class being nested 
>>> within the parent class) to call a parent window method directly?
>>>
>>> it is my understanding that one solution would be to create a custom 
>>> event in the child window that propagates to the parent which then handles 
>>> it. But is there any other (simpler) way of doing this?
>>>
>>> Thanks in advance!
>>>
>> -- 
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>>
>
>
> -- 
> Gregory van der Heijden
>

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