How to take screenshot of webpage using VBA?

Question

How to take screenshot of webpage using VBA in Excel? The problem is that screenshots can be taken only by pressing F6 key of keyboard since Screenhunter is used for this pu

Answer 1

This worked for me when I needed to create thumbnail images of several sites.

While not "elegant", it does the job, and I think it's pretty self-explanatory.

Option Explicit
'requires references: "Microsoft HTML Object Library" & "Microsoft Internet Controls"

Private Declare Sub keybd_event Lib "user32" (ByVal bVk As Byte, _
    ByVal bScan As Byte, ByVal dwFlags As Long, ByVal dwExtraInfo As Long)
Private Declare Function ShowWindow Lib "user32" _
    (ByVal hwnd As Long, ByVal nCmdShow As Long) As Long

Sub getSS()
  Const url = "stackoverflow.com" 'page to get screenshot of (http is added below)
  Const fName = "x:\thumb_" & url & ".png" 'output filename (can be png/jpg/bmp/gif)
  Const imgScale = 0.25 'scale to 25% (to create thumbnail)

  Dim ie As InternetExplorer, ws As Worksheet, sz As Long
  Dim img As Picture, oCht As ChartObject
  Set ws = ThisWorkbook.Sheets("Sheet1")
  Set ie = GetIE()
  With ie
    .navigate "http://" & url
    Do: DoEvents: Loop While .busy Or .readyState <> 4 'wait for page load
    ShowWindow .hwnd, 5 'activate IE window
    Call keybd_event(44, 0, 0, 0) '44="VK_SNAPSHOT"
    Pause (0.25) 'pause so clipboard catches up
    With ws
      ShowWindow Application.hwnd, 5 'back to Excel
      .Activate
      .Paste
      Set img = Selection
      With img
        Set oCht = ws.ChartObjects.Add(.Left, .Top, .Left + .Width, .Top + .Height)
        oCht.Width = .Width * imgScale 'scale obj to picture size
        oCht.Height = .Height * imgScale
        oCht.Activate
        ActiveChart.Paste
        ActiveChart.Export fName, Mid(fName, InStrRev(fName, ".") + 1)
        oCht.Delete
        .Delete
      End With
      .Activate
    End With
    .FullScreen = False
    .Quit
  End With
  If Dir(fName) = "" Then Stop 'Something went wrong (file not created)
  sz = FileLen(fName)
  If sz = 0 Then Stop 'Something went wrong! (invalid filename maybe?)
  Debug.Print "Created '" & fName & "' from '" & url & "' (" & sz & " bytes)": Beep
End Sub

Sub Pause(sec As Single)
  Dim t As Single: t = Timer
  Do: DoEvents: Loop Until Timer > t + sec
End Sub

Function GetIE() As Object
'requires references: "Microsoft HTML Object Library" & "Microsoft Internet Controls"
'return an object for the open Internet Explorer window, or create new one
  For Each GetIE In CreateObject("Shell.Application").Windows() 'Loop to find
    If (Not GetIE Is Nothing) And GetIE.Name = "Internet Explorer" Then Exit For 'Found!
  Next GetIE
  If GetIE Is Nothing Then Set GetIE=CreateObject("InternetExplorer.Application") 'Create
  GetIE.Visible = True 'Make IE visible
  GetIE.FullScreen = True
End Function