SOLAR OS - API - GUI - Create Window

Solar OS API - GUI - Functions

Do not call us... We will call-back.

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PROC API_Window_Send_Message STDCALL
	USES	ecx,ebx,esi,edi
	ARG	wnd_handle,call_type
	ARG	msg_type,msg_param1,msg_param2

This function sends a message to one of the destination window callbacks.

Arguments:

Argument	Type	Description
wnd_handle	dword	target window handle
call_type	dword	what kind of window callback to use
msg_type	dword	what kind of message to send
msg_param1	dword	first parameter for sent message
msg_param2	dword	seccond parameter for sent message

Returns

EAX = -1 if the requested callback type is not available
EAX = return of callback otherwise

Possible errors

unknown callback,
unknown message type
wrong message parameters
wrong window handle

Callback types

;----------------------------------
;Known callbacks
;----------------------------------
OS_CALL_BEFORE		EQU	1
OS_CALL_DEFAULT		EQU	2
OS_CALL_AFTER		EQU	3