[VBA] IE Automation - wait for the download to complete

Kestis

New Member
Joined
Jan 25, 2015
Messages
22
Hello all,
I am trying to automate some tasks which are being done through Internet explorer, which include downloading a file and then copying it to a different directory and renaming it.
I was more or less successful in finding the information on how to do this, the code is working, but it has exceptions, therefore I would be grateful if someone could help me to improve this code.

There are two things I would like to do:
  1. Insert a loop, so that the script would wait for certain elements to appear and only then would proceed with execution. I have found something on this page https://stackoverflow.com/questions/12822749/logic-to-loop-until-web-page-element-is-not-nothing, however, I also would like to built in a maximum wait time, like it is suggested there.
  2. As the code is downloading a file, it should also wait for the download to be finished, and only then proceed. Currently I am using "wait" command, but the download times may vary and the script will stop in that case. I have also found a solution to this, by waiting till the button "Open folder" appears, but I am not sure how to implement it in my code. Here is the code that i have found: https://stackoverflow.com/questions...-wait-until-file-download-from-ie-is-complete

Also, maybe there is another solution, not to save file in a default download location, but do a "Save as" instead and then defining the directory and file name in that way?

Thank you in advance!

Below is my source code, that I am using right now. As an example, I am using Microsoft page with sample file download.

Code:
Option Explicit
[URL="https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=If"]#If[/URL]  VBA7 Then
    Declare PtrSafe Sub Sleep Lib "kernel32" (ByVal dwMilliseconds As LongPtr)
    
    Private Declare PtrSafe Function FindWindowEx Lib "user32" Alias "FindWindowExA" _
  (ByVal hWnd1 As LongPtr, ByVal hWnd2 As LongPtr, ByVal lpsz1 As String, _
  ByVal lpsz2 As String) As LongPtr
    
[URL="https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=Else"]#Else[/URL] 
    Public Declare Sub Sleep Lib "kernel32" (ByVal dwMilliseconds As Long)


    Private Declare Function FindWindowEx Lib "user32" Alias "FindWindowExA" _
(ByVal hWnd1 As Long, ByVal hWnd2 As Long, ByVal lpsz1 As String, _
ByVal lpsz2 As String) As Long
[URL="https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=End"]#End[/URL]  If


Sub MyIEauto()


    Dim ieApp As InternetExplorer
    Dim ieDoc As Object


    Set ieApp = New InternetExplorer


    ieApp.Visible = True
    ieApp.navigate "https://docs.microsoft.com/en-us/power-bi/sample-financial-download"
    Do While ieApp.Busy: DoEvents: Loop
    Do Until ieApp.readyState = READYSTATE_COMPLETE: DoEvents: Loop


    ieApp.navigate "http://go.microsoft.com/fwlink/?LinkID=521962"
    Do While ieApp.Busy: DoEvents: Loop
    Do Until ieApp.readyState = READYSTATE_COMPLETE: DoEvents: Loop


    Dim AutomationObj As IUIAutomation
    Dim WindowElement As IUIAutomationElement
    Dim Button As IUIAutomationElement
    Dim hWnd As LongPtr
     
    Set AutomationObj = New CUIAutomation
     
    Do While ieApp.Busy Or ieApp.readyState <> 4: DoEvents: Loop
    Application.Wait (Now + TimeValue("0:00:05"))
    hWnd = ieApp.hWnd
    hWnd = FindWindowEx(hWnd, 0, "Frame Notification Bar", vbNullString)
    If hWnd = 0 Then Exit Sub
 
    Set WindowElement = AutomationObj.ElementFromHandle(ByVal hWnd)
    Dim iCnd As IUIAutomationCondition
    Set iCnd = AutomationObj.CreatePropertyCondition(UIA_NamePropertyId, "Save")
 
    Set Button = WindowElement.FindFirst(TreeScope_Subtree, iCnd)
    Dim InvokePattern As IUIAutomationInvokePattern
    Set InvokePattern = Button.GetCurrentPattern(UIA_InvokePatternId)
    InvokePattern.Invoke
    Application.Wait (Now + TimeValue("0:00:05"))
    
    FileCopy "C:\Users\Name\Downloads\Financial Sample.xlsx", "C:\Users\Name\Desktop\Financial Sample.xlsx"
    Name "C:\Users\Name\Desktop\Financial Sample.xlsx" As "C:\Users\Name\Desktop\Hello.xlsx"
    
    
End Sub
 
Last edited:

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