GetMessage() questions

Hi,

I want to write a program that listens for a window action (creates a window or closes a window) and when a window is created i get new window handle in an HWND array and remove it when i close the window.
By now i'm able to retrieve the main window handle and i guess i have to use the GetMessage() function, something like this;

HWND parent = FindWindow(NULL,"Main Window Name");
MSG msg;

while (GetMessage(&msg, parent, 0, 0))
{
if (msg.message == WM_CREATE )
MessageBox(NULL,"new window","Message:",MB_OK);

TranslateMessage(&msg);
DispatchMessage(&msg);
}

Please give me some suggestions or at least point me to some good tutorials.
PS: i'm really new with win32 programming ...

Thank you.

Are you referring to a window action within your application or another process?

I'm referring to a window from another application, i read what i could find on codeguru yesterday and i understand that i have to make it with hooks, which right now look kind of complicated. I understood a bit of how they work, but they are still pretty blurry. Actually my software is intended to click on a button when it appears on some specific windows so i guess that if i find the message that the window sends when the button appears i could intercept this message with a hook and click on the button in the window although it's in background ( i made the function for clicks with PostMessage and it works).
Do you have any suggestions ? Is this possible ?
thank you

i played around with Spy++ over the window that i have to post the click to an i filtered the messages and i came up with this:
00031084 P message: 0x0118 [Unknown] wParam:0000FFF8 lParam:97B03836
after this message has appeared for 4 times in a row, i have to click on the button.
is there any way i can use this ?

Quote:

---

Do you have any suggestions ? Is this possible ?

---

Not with GetMessage. GetMessage is intended to process messages from the message queue belonging to current thread. So, in your case there's nothing left but hooks. :)

yes, i posted that before i found out about hooks ... :)

so for that type of message, what hook procedure could be used ?
the message is : 00031084 P message: 0x0118 [Unknown] wParam:0000FFF8 lParam:97B03836
i'm thinking WH_CALLWNDPROC ... maybe you could direct me to some examples with the exact hook i need ... because all i found is about keyboard hooking

Quote:

---

Originally Posted by rzv

yes, i posted that before i found out about hooks ... :)

so for that type of message, what hook procedure could be used ?
the message is : 00031084 P message: 0x0118 [Unknown] wParam:0000FFF8 lParam:97B03836
i'm thinking WH_CALLWNDPROC ... maybe you could direct me to some examples with the exact hook i need ... because all i found is about keyboard hooking

---

Have you tried searching for "window hooking"?