I use this code to make the readonly edit control white color.

.ELSEIF uMsg == WM_CTLCOLORSTATIC
invoke GetWindowLong,lParam,GWL_ID
.IF eax == IDC_EDIT
invoke GetStockObject,WHITE_BRUSH
ret
.ENDIF

The problem is that other controls displaying text in the dialogbox, gets the white background also.

CONTROL "",IDC_EDIT,"Edit",WS_CHILD|WS_VISIBLE|WS_TABSTOP|ES_READONLY|ES_AUTOHSCROLL,28,38,194,11,WS_EX_CLIENTEDGE

CONTROL "File:",IDC_STATIC,"Static",WS_CHILD|WS_VISIBLE,10,19,16,11

IDC_EDIT equ 3000
IDC_STATIC equ -1

Why?

What does your code do (what value is left in EAX) if the GWL_ID is not equal to IDC_EDIT?

nothing .. goes to the next .ELSEIF uMSg == WM_COMMAND

ok, you give me the key ...

xor eax,eax
ret

it works now, thx