Make a button invisible to allow a static image to be seen and "clicked"

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C++

Hello all,

I'm porting an old application...

I'm interested on improving the methods used before (which are cumbersome and not good at all).

PREVIOUS NOTES:
I have a dialog based application.
On top right of that dialog I have a bitmap (CStatic that loads a resource bitmap) that must be clickable in specific places.
In the dialog OnSize handler I'm moving the controls to fit any display size.
I'm using and old class named ControlPos which handles all the movement for all the controls in the dialog based on my specifications.

QUESTION:
What I would like to do is to create a button for each position that must be clickable.
Then add this button to the ControlPos class and let it move along with the static bitmap (background).
These buttons should be invisible but should process the normal OnClick to allow me to continue processing the click events and react.

Which would be the easiest way to do that?

PS: in the old project that was solved by using an old class taken from CP CButtonST which worked really well, but it was not handling correctly the transparent effect...

Thank you in advance! :thumbsup: