How can I simulate a button click given the handle to the button's window?

Question

I want to simulate a click on a button located in a dialog box.

I have the handle to that window. This is an Abort/Retry/Ignore kind of window.

I don\'t wan

Answer 1

Find the handle to the button that you want to click (by using FindWindowEx), and just send click message:

SendMessage(hButton, WM_LBUTTONDOWN, MK_LBUTTON, MAKELPARAM(0, 0));
SendMessage(hButton, WM_LBUTTONUP, MK_LBUTTON, MAKELPARAM(0, 0));