VB Code:
  1. Private Declare Function GetSystemMetrics Lib "user32.dll" (ByVal nIndex As Long) As Long
  2. Const SM_CXSCREEN = 0
  3. Const SM_CYSCREEN = 1
  4.  
  5. Private Sub Form_Load()
  6.  
  7.     MsgBox "Current Screen Resolution is " & GetSystemMetrics(SM_CXSCREEN) & " x " & GetSystemMetrics(SM_CYSCREEN)
  8.  
  9. End Sub