EN_SELCHANGE code from rich text edit

[jj2007]

when can i use the register itself as an argument.

You can use regs if they don't get "destroyed" by some other invoke

I know this is specific to the macro engine of masm, normally one would push the arguments onto the stack in reverse order and use the call instruction to invoke a function.

invoke puts args into the right order and checks their type and number, too.

[rc]

invoke puts args into the right order and checks their type and number, too.

Ah ok, yes that makes sense, since i get usefull "compile" errors like: type mismatch but didn't realised that there isn't usually such thing in plain assembly. Good to know.

What comes into my mind: what is the difference between invoke and fn? Seen this in the generated code.

[jj2007]

What comes into my mind: what is the difference between invoke and fn? Seen this in the generated code.

invoke is a built-in Masm macro, fn is a Masm32 macro.
invoke is Microsoft, fn is Hutch - check \Masm32\Help\HLHELP.chm for details.

More interesting than fn is the rv() macro: mov TheHandle, rv(CreateWindowEx, WS_EX_CLIENTEDGE, "edit", ....)

[rc]

Interesting! I will study the help files then. :)
Thanks a lot for helping, awesome forum and community! :)

[daydreamer]

welcome to forum

[rc]

welcome to forum

Thanks daydreamer :).