Send clicks to another application
This code demonstrates how to send mouse clicks to another application using the SendInput API, in user32.dll.
First, you'll want to place the following code in a module. This is where you define some constants, and make reference to the API you are going to use.
Public Structure MOUSEINPUT
Public dx As Integer
Public dy As Integer
Public mouseData As Integer
Public dwFlags As Integer
Public dwtime As Integer
Public dwExtraInfo As Integer
End Structure
Public Structure INPUT_TYPE
Public dwType As Integer
Public xi As MOUSEINPUT
End Structure
Private Declare Function SendInput Lib "user32.dll" (ByVal nInputs As Integer, ByRef pInputs As INPUT_TYPE, ByVal cbSize As Integer) As Integer
Private Const INPUT_MOUSE = 0
Private Const INPUT_KEYBOARD = 1
Private Const INPUT_HARDWARE = 2
Const M_MOVE = &H1
Const M_LD = &H2
Const M_LU = &H4
And this is the subroutine that will make the magic happen:
Public Sub ClickTheMouse()
Dim inputEvents(0) As INPUT_TYPE
inputEvents(0).xi.dx = 0
inputEvents(0).xi.dy = 0
inputEvents(0).xi.mouseData = 0
inputEvents(0).xi.dwFlags = M_MOVE + M_LD + M_LU
inputEvents(0).xi.dwtime = 0
inputEvents(0).xi.dwExtraInfo = 0
inputEvents(0).dwType = INPUT_MOUSE
SendInput(1, inputEvents(0), Len(inputEvents(0)))
SetCursorPos(xyC)
End Sub
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