Trap Mouse Click Events and Position VBA Code Example

Mouse

Very first step to trap a mouse pointer on the screen is grab the control over mouse position, once we get control over mouse position we can trigger mouse events. Without talking too much lets sum this article by putting VBA code where we will trap Mouse event and its position. I have mentioned both version APIs below which supports 64bit and 32 bit platform.

APIs and Constants

Following APIs must be placed in a General declaration section in a VBA standard module:

'Crsor Position
#If Win64 Then
    Public Declare PtrSafe Function SetCursorPos Lib "user32" (ByVal x As LongPtr, ByVal y As LongPtr) As LongPtr
#Else
    Public Declare Function SetCursorPos Lib "user32" (ByVal x As Long, ByVal y As Long) As Long
#End If

'Mouse Event
#If Win64 Then
    Public Declare PtrSafe Sub mouse_event Lib "user32" (ByVal dwFlags As LongPtr, ByVal dx As LongPtr, ByVal dy As LongPtr, ByVal cButtons As LongPtr, ByVal dwExtraInfo As LongPtr)
#Else
    Public Declare Sub mouse_event Lib "user32" (ByVal dwFlags As Long, ByVal dx As Long, ByVal dy As Long, ByVal cButtons As Long, ByVal dwExtraInfo As Long)
#End If
'Constants
Public Const MOUSEEVENTF_LEFTDOWN = &H2
Public Const MOUSEEVENTF_LEFTUP = &H4
Public Const MOUSEEVENTF_RIGHTDOWN As Long = &H8
Public Const MOUSEEVENTF_RIGHTUP As Long = &H10

Set Mouse Position

Public Sub SetCursorPosition()
    'Reset mouse event
    mouse_event MOUSEEVENTF_LEFTDOWN, 0, 0, 0, 0
    
    'Set cursor position constants
    Dim oLeft As Long
    oLeft = 10
    
    Dim oTop As Long
    oTop = 700
    
    'Set cursor position to left bottom of the screen
    SetCursorPos oLeft, oTop
    
    'Reset mouse event
    mouse_event MOUSEEVENTF_LEFTDOWN, 0, 0, 0, 0
End Sub

Output

This method will set cursor pointer position at bottom left corner on the screen

Single Click

Public Sub SingleMouseClick()
    'Set cursor position constants
    Dim oLeft As Long
    oLeft = 70
    
    Dim oTop As Long
    oTop = 395
    
    'Set cursor position to left bottom of the screen
    SetCursorPos oLeft, oTop
    
    'Execute click
    mouse_event MOUSEEVENTF_LEFTDOWN, 0, 0, 0, 0
    mouse_event MOUSEEVENTF_LEFTUP, 0, 0, 0, 0
End Sub

Output

It will perform single click on the screen on given position

Double Click

Private Sub MouseDoubleClick()
  'Set cursor position constants
    Dim oLeft As Long
    oLeft = 70
    
    Dim oTop As Long
    oTop = 395
    
    'Set cursor position to left bottom of the screen
    SetCursorPos oLeft, oTop
  
    'Execute double click
    mouse_event MOUSEEVENTF_LEFTDOWN, 0, 0, 0, 0
    mouse_event MOUSEEVENTF_LEFTUP, 0, 0, 0, 0
    mouse_event MOUSEEVENTF_LEFTDOWN, 0, 0, 0, 0
    mouse_event MOUSEEVENTF_LEFTUP, 0, 0, 0, 0
End Sub

Output

It will double click on the screen on given position

Right Click

Private Sub MouseRightClick()
    'Set cursor position constants
    Dim oLeft As Long
    oLeft = 120
    
    Dim oTop As Long
    oTop = 400
    
    'Set cursor position to left bottom of the screen
    SetCursorPos oLeft, oTop
    
    'Execute Cursor
    mouse_event MOUSEEVENTF_RIGHTDOWN, 0, 0, 0, 0
    mouse_event MOUSEEVENTF_RIGHTUP, 0, 0, 0, 0
End Sub

Output

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Trap Mouse Click Events and Position VBA Code Example

Mouse

APIs and Constants

Set Mouse Position

Output

Single Click

Output

Double Click

Output

Right Click

Output

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