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[vb.net 2005] Sending inputs into minimized window

 
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squrrilslayer
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PostPosted: Tue Mar 10, 2009 3:44 am    Post subject: [vb.net 2005] Sending inputs into minimized window Reply with quote
Hey guys. been a while...

anyway, im trying to make a small bot for the newly released MMORPG "Darkfall" which can be done minimized. Currently im using event args and am trying to play around with postmessage.

I however can't get it to send anything whilst the window is not in focus thus no chance with minimization.

I know there have been some things done in maplestory a LONG time ago, and was hoping that someone could help me out here now.

Thanks.
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kosstr12
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PostPosted: Tue Mar 10, 2009 5:08 pm    Post subject: Reply with quote
Will "DarkFall" Be part of the bot, or are the bot and DarkFall two separate programs?
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squrrilslayer
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PostPosted: Tue Mar 10, 2009 6:14 pm    Post subject: Reply with quote
separate due to the fact i don't not have ANY experience or knowledge with 'injected' bots.
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FullyAwesome
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PostPosted: Wed Mar 11, 2009 12:42 am    Post subject: Reply with quote
show us your code. it would probably be a problem with your hwnd. postmessage should work no matter what state the window's in.
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squrrilslayer
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PostPosted: Wed Mar 11, 2009 1:49 am    Post subject: Reply with quote
I'll post only relevant code:

My declares:
Code:
Private Declare Auto Function SendMessage Lib "user32.dll" Alias "SendMessage" _
    (ByVal hWnd As IntPtr, ByVal Msg As Integer, _
    ByVal wParam As Integer, ByVal lParam As IntPtr) As IntPtr

Const BM_CLICK As Integer = &HF5
    Dim theHandle As IntPtr


what i try to send (tested this into notepad)
Code:
SendMessage(theHandle, BM_CLICK, 0, IntPtr.Zero)
       
SendMessage(theHandle, "Testing", 0, IntPtr.Zero)


(handle was found via winID)
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SXGuy
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PostPosted: Wed Mar 11, 2009 4:05 am    Post subject: Reply with quote
You said you been messing around with postmessage but your source shows your using sendmessage, there two different functions.

You need PostMessage not SendMessage.

BOOL PostMessage( HWND hWnd,
UINT Msg,
WPARAM wParam,
LPARAM lParam
);

SendMessage, sends the message to the window (hense why it doesnt work as its minimized, and PostMessage posts it to the message queue associated with the Handle.
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squrrilslayer
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PostPosted: Wed Mar 11, 2009 4:28 am    Post subject: Reply with quote
whops! Big error on my half >.<;

I'll change that up and see what happens!
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SXGuy
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PostPosted: Wed Mar 11, 2009 4:33 am    Post subject: Reply with quote
thats ok, its only a little mistake, judging by your code, you just need to change the function name lol
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squrrilslayer
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PostPosted: Wed Mar 11, 2009 5:16 am    Post subject: Reply with quote
Code:
Public Class Form1

    Private Declare Auto Function PostMessage Lib "user32.dll" Alias "PostMessage" (ByVal hWnd As IntPtr, ByVal Msg As String, _
    ByVal wParam As Integer, ByVal lParam As IntPtr) As IntPtr

    Dim TheHandle As IntPtr


    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        TheHandle = CType(Integer.Parse(TextBox1.Text, Globalization.NumberStyles.HexNumber), IntPtr)
        PostMessage(Handle, "Testing", 0, 0)
    End Sub
End Class

Well... that doesnt work for me, nothing happens.

How do i find the handle without using WinID?
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SXGuy
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PostPosted: Wed Mar 11, 2009 7:37 am    Post subject: Reply with quote
well im guessing you need to find a handle by process id.

Try this

https://www.planet-source-code.com/vb/scripts/ShowCode.asp?txtCodeId=63954&lngWId=1

BTW im not 100% sure about how you do it in VB, i dont code VB so i can only refer you to the right functions to use, i cant actually code examples sorry Razz
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manc
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PostPosted: Wed Mar 11, 2009 8:05 am    Post subject: Reply with quote
well you'd probly have to declare it and so on....example
this is how you do it in c++


HWND myhWnd = FindWindow ("ClassNameHere" , "WindowNameHere")

then in postmessage..

PostMessage(myhWnd, etc , etc , etc)



just google it you'll probly get tons of results

EDIT: Hot Dam thnx for catching that FullyAwesome, made me lol Very Happy
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Last edited by manc on Thu Mar 12, 2009 12:01 am; edited 1 time in total
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FullyAwesome
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PostPosted: Wed Mar 11, 2009 11:44 pm    Post subject: Reply with quote
for getting the hwnd, like others mentioned, you use FindWindow (watch your spelling manc)

i think this is how you declare it in vb.net:

Code:
Public Declare Auto Function FindWindow Lib "user32" (ByVal lpClassName as string, ByVal lpWindowName as string) As IntPtr


then you can just have an intptr variable to hold the hwnd for you, and use that with postmessage.

so hwnd = FindWindow(...., ....)
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squrrilslayer
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PostPosted: Thu Mar 12, 2009 5:23 am    Post subject: Reply with quote
dam got home late, buggered like hell... im going to try this tomorrow night.
thanks for the help so far though!

ok, i have this:
(commented code have a ' infront of it. eg 'msgbox("hello") is commented code)
Code:

 Public Declare Auto Function FindWindow Lib "user32" (ByVal lpClassName As String, ByVal lpWindowName As String) As IntPtr

    Private Declare Auto Function PostMessage Lib "user32.dll" Alias "PostMessage" (ByVal hWnd As IntPtr, ByVal Msg As Integer, ByVal wParam As IntPtr, _
    ByVal lParam As String) As IntPtr

    Private Declare Auto Function SendMessage Lib "user32.dll" Alias "SendMessage" (ByVal hWnd As IntPtr, ByVal Msg As Integer, ByVal wParam As IntPtr, _
    ByVal lParam As Integer) As IntPtr


    Declare Auto Function mouse_event Lib "user32.dll" (ByVal dwflags As Integer, ByVal dx As Integer, ByVal dy As Integer, ByVal dwData As Integer, ByVal dwExtraInfo As Integer) As Integer
    Const MOUSEEVENTF_LEFTDOWN As Integer = 2
    Const MOUSEEVENTF_LEFTUP As Integer = 4

    Private Declare Auto Function FindWindowEx Lib "user32" _
    (ByVal parentHandle As IntPtr, ByVal childAfter As IntPtr, _
    ByVal ClassName As String, ByVal WindowTitle As String) As IntPtr

    Private Const WM_SETTEXT As Integer = &HC



    Dim TheHandle As IntPtr


    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        'TheHandle = CType(Integer.Parse(TextBox1.Text, Globalization.NumberStyles.HexNumber), IntPtr)
        'TheHandle = FindWindow("Notepad", "Test.txt - Notepad")

        Dim NotepadHandle As IntPtr
        'NotepadHandle = FindWindow("Notepad", "Test.txt - Notepad") 'Works on Test.exe notepad
        NotepadHandle = FindWindow("WindowsForms10.Window.8.app.0.378734a", "Form1")

        Dim EDITChildHandle As IntPtr
        'EDITChildHandle = FindWindowEx(NotepadHandle, IntPtr.Zero, "Edit", String.Empty) 'Works on Test.exe notepad
        EDITChildHandle = FindWindowEx(NotepadHandle, IntPtr.Zero, "WindowsForms10.EDIT.app.0.378734a", String.Empty) 'Works sending into click tester app counterbox
        EDITChildHandle = FindWindowEx(NotepadHandle, IntPtr.Zero, "WindowsForms10.Window.8.app.0.378734a", "4")

        SendMessage(EDITChildHandle, WM_SETTEXT, IntPtr.Zero, MOUSEEVENTF_LEFTDOWN)
        SendMessage(EDITChildHandle, WM_SETTEXT, IntPtr.Zero, MOUSEEVENTF_LEFTUP)

        'PostMessage(EDITChildHandle, WM_SETTEXT, IntPtr.Zero, "Testing")

        PostMessage(EDITChildHandle, MOUSEEVENTF_LEFTDOWN, 0, 0)
        PostMessage(EDITChildHandle, MOUSEEVENTF_LEFTUP, 0, 0)


for some reason, send message works when im sending text, but does not send clicks, and postmessage just does not work. Sad
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Iron
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PostPosted: Tue Mar 31, 2009 1:21 pm    Post subject: Reply with quote
Direct-X input. The various forms of input can be handled differently. Clicking and movement is most likely handled by direct-x input, or whatever it's called.
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