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  1. #1
    siema24 is offline Novice
    Windows 7 64bit Access 2010 32bit
    Join Date
    Jan 2017
    Posts
    22

    Zoom an jpg when clicked

    Hello,
    I've put .jpg image in my form using "include graphic" button on the ribbon. I want to allow user to zoom it (increaing it's dimentions should be just fine) by clicking on it. After another click it should get back to previous dimentions. Could you please let me know how to do it in the simplest way? Thank you in advance!

  2. #2
    ranman256's Avatar
    ranman256 is online now VIP
    Windows Vista Access 2010 32bit
    Join Date
    Apr 2014
    Location
    Kentucky
    Posts
    9,521
    The SIMPLEST way I think would be to store the PATH to the graphic: \\server\folder1\folder2\graphic.jpg
    then use the code to open it in its native application. Be it Viewer.exe, or Paint.exe, BOTH can zoom.
    Then add a button to open the file:
    OpenNativeApp txtBox

    paste this code into a module. (ctl-F11, insert , module)
    Then it will open ANY file via its extension....
    .pdf files will open in acrobat,
    .doc files in word
    etc


    USAGE:
    OpenNativeApp "c:\folder\file.xls"
    'opens in excel
    or
    OpenNativeApp field
    'opens item in field in native app


    Code:
    Option Compare Database
    Option Explicit
    
    
    Private Declare Function ShellExecute Lib "shell32.dll" Alias "ShellExecuteA" (ByVal hwnd As Long, ByVal lpszOp As String, ByVal lpszFile As String, ByVal lpszParams As String, ByVal lpszDir As String, ByVal FsShowCmd As Long) As Long
    Private Declare Function GetDesktopWindow Lib "user32" () As Long
    Const SW_SHOWNORMAL = 1
    Const SE_ERR_FNF = 2&
    Const SE_ERR_PNF = 3&
    Const SE_ERR_ACCESSDENIED = 5&
    Const SE_ERR_OOM = 8&
    Const SE_ERR_DLLNOTFOUND = 32&
    Const SE_ERR_SHARE = 26&
    Const SE_ERR_ASSOCINCOMPLETE = 27&
    Const SE_ERR_DDETIMEOUT = 28&
    Const SE_ERR_DDEFAIL = 29&
    Const SE_ERR_DDEBUSY = 30&
    Const SE_ERR_NOASSOC = 31&
    Const ERROR_BAD_FORMAT = 11&
    
    
    Public Sub OpenNativeApp(ByVal psDocName As String)
    Dim r As Long, msg As String
    
    
    r = StartDoc(psDocName)
    If r <= 32 Then
        'There was an error
        Select Case r
            Case SE_ERR_FNF
                msg = "File not found"
            Case SE_ERR_PNF
                msg = "Path not found"
            Case SE_ERR_ACCESSDENIED
                msg = "Access denied"
            Case SE_ERR_OOM
                msg = "Out of memory"
            Case SE_ERR_DLLNOTFOUND
                msg = "DLL not found"
            Case SE_ERR_SHARE
                msg = "A sharing violation occurred"
            Case SE_ERR_ASSOCINCOMPLETE
                msg = "Incomplete or invalid file association"
            Case SE_ERR_DDETIMEOUT
                msg = "DDE Time out"
            Case SE_ERR_DDEFAIL
                msg = "DDE transaction failed"
            Case SE_ERR_DDEBUSY
                msg = "DDE busy"
            Case SE_ERR_NOASSOC
                msg = "No association for file extension"
            Case ERROR_BAD_FORMAT
                msg = "Invalid EXE file or error in EXE image"
            Case Else
                msg = "Unknown error"
        End Select
    '    MsgBox msg
    End If
    End Sub
    
    
    Private Function StartDoc(psDocName As String) As Long
    Dim Scr_hDC As Long
    
    
    Scr_hDC = GetDesktopWindow()
    StartDoc = ShellExecute(Scr_hDC, "Open", psDocName, "", "C:\", SW_SHOWNORMAL)
    End Function

Please reply to this thread with any new information or opinions.

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