Clicking mouse by sending messages

Question

I\'m trying to send mouse clicks to a program. As I don\'t want the mouse to move, I don\'t want to use SendInput or mouse_event, and because the window that should receive

Answer 1

You need to pack the coordinates correctly like Chris says, also remember that x and y are client coordinates, call ScreenToClient() to convert screen coordinates.

Answer 2

The problem is with your packing of the x,y coordinates.

1. y should be in the high order word
2. You should use | (bitwise or) to combine the components of the coordinate pair

You should have the following

((y << 0x10) | x)