tagBitmap @ DELPHI ??? What type?
delphi
Solution
The problem is that there are two types named `TBitmap` in the VCL. One defined in the `Windows` unit and one defined in `Graphics` unit. Clearly you are passing `Windows.TBitmap` to a function expecting `Graphics.TBitmap`, or vice versa.
You almost certainly don't want to have anything to do with `Windows.TBitmap`. So the solution is to make sure that all of your units list the `Graphics` unit after the `Windows` unit in the uses clause. This will have the effect of hiding `Windows.TBitmap`.
My psychic debugging suggests that the unit in which `TMyClass` is declared either does not list `Graphics` at all in its `uses` clause, or it lists `Graphics` before `Windows`.
Finally, how would you go about working out something like this yourself? Well, try pressing CTRL+click on the `TBitmap` referenced in `TMyClass`. I'm confident that they will take you to the `TBitmap` declared in `Windows`. That should be enough for you to work out that it's not the type that you meant when you wrote `TBitmap`.
Problem
I get an error : [DCC Error] Unit_TProcessClass.pas(334): E2010 Incompatible Type: 'TBitmap' and 'tagBITMAP' the class is defined as ``` TMyClass = Class private MyBMP : TBitmap; property aBMP : TBitmap read MyBMP write MyBMP; ``` and the code goes like ``` processABitmap(aMyClass.aBMP) ; -> here is the compile error !!! ```