How to make a window active in vb.net












-1















So I'm working on a program that types into an open application that has no api. So I need to select that window so my program will type into it. I'm using this code and it can't find the proccess. 



Dim windowHandle As IntPtr = FindWindow("LolClient", "League of Legends (TM) Client")

Private Declare Function SetForegroundWindow Lib "user32" (ByVal hwnd As Long) As IntPtr

SetForegroundWindow(windowHandle)



    SendKeys.SendWait("{TAB}")

    SendKeys.SendWait("{TAB}")

    SendKeys.SendWait("{TAB}")

    SendKeys.SendWait("{TAB}")

    SendKeys.SendWait("{TAB}")

    SendKeys.SendWait("{TAB}")

    SendKeys.SendWait("{TAB}")

    SendKeys.SendWait("{TAB}")

    SendKeys.SendWait(ComboBox1.Text)

    SendKeys.SendWait("{Enter}")





vb.net windows







share|improve this question























  • You should try looking into the Process Class, in many cases it's much easier to work with.

    – tinstaafl
    Jan 10 '14 at 0:24
















-1















So I'm working on a program that types into an open application that has no api. So I need to select that window so my program will type into it. I'm using this code and it can't find the proccess. 



Dim windowHandle As IntPtr = FindWindow("LolClient", "League of Legends (TM) Client")

Private Declare Function SetForegroundWindow Lib "user32" (ByVal hwnd As Long) As IntPtr

SetForegroundWindow(windowHandle)



    SendKeys.SendWait("{TAB}")

    SendKeys.SendWait("{TAB}")

    SendKeys.SendWait("{TAB}")

    SendKeys.SendWait("{TAB}")

    SendKeys.SendWait("{TAB}")

    SendKeys.SendWait("{TAB}")

    SendKeys.SendWait("{TAB}")

    SendKeys.SendWait("{TAB}")

    SendKeys.SendWait(ComboBox1.Text)

    SendKeys.SendWait("{Enter}")





vb.net windows







share|improve this question























  • You should try looking into the Process Class, in many cases it's much easier to work with.

    – tinstaafl
    Jan 10 '14 at 0:24














-1












-1








-1








So I'm working on a program that types into an open application that has no api. So I need to select that window so my program will type into it. I'm using this code and it can't find the proccess. 



Dim windowHandle As IntPtr = FindWindow("LolClient", "League of Legends (TM) Client")

Private Declare Function SetForegroundWindow Lib "user32" (ByVal hwnd As Long) As IntPtr

SetForegroundWindow(windowHandle)



    SendKeys.SendWait("{TAB}")

    SendKeys.SendWait("{TAB}")

    SendKeys.SendWait("{TAB}")

    SendKeys.SendWait("{TAB}")

    SendKeys.SendWait("{TAB}")

    SendKeys.SendWait("{TAB}")

    SendKeys.SendWait("{TAB}")

    SendKeys.SendWait("{TAB}")

    SendKeys.SendWait(ComboBox1.Text)

    SendKeys.SendWait("{Enter}")





vb.net windows







share|improve this question














So I'm working on a program that types into an open application that has no api. So I need to select that window so my program will type into it. I'm using this code and it can't find the proccess. 



Dim windowHandle As IntPtr = FindWindow("LolClient", "League of Legends (TM) Client")

Private Declare Function SetForegroundWindow Lib "user32" (ByVal hwnd As Long) As IntPtr

SetForegroundWindow(windowHandle)



    SendKeys.SendWait("{TAB}")

    SendKeys.SendWait("{TAB}")

    SendKeys.SendWait("{TAB}")

    SendKeys.SendWait("{TAB}")

    SendKeys.SendWait("{TAB}")

    SendKeys.SendWait("{TAB}")

    SendKeys.SendWait("{TAB}")

    SendKeys.SendWait("{TAB}")

    SendKeys.SendWait(ComboBox1.Text)

    SendKeys.SendWait("{Enter}")





vb.net windows




vb.net windows






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked Jan 9 '14 at 23:59









SuicidalCookieSuicidalCookie

1613




1613













  • You should try looking into the Process Class, in many cases it's much easier to work with.

    – tinstaafl
    Jan 10 '14 at 0:24



















  • You should try looking into the Process Class, in many cases it's much easier to work with.

    – tinstaafl
    Jan 10 '14 at 0:24

















You should try looking into the Process Class, in many cases it's much easier to work with.

– tinstaafl
Jan 10 '14 at 0:24





You should try looking into the Process Class, in many cases it's much easier to work with.

– tinstaafl
Jan 10 '14 at 0:24












1 Answer
1






active

oldest

votes


















6














Try this:



Public Declare Function SetForegroundWindow Lib "user32.dll" (ByVal hwnd As Integer) As Integer

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

Public Declare Function IsIconic Lib "user32.dll" (ByVal hwnd As Integer) As Boolean

Public Declare Function ShowWindow Lib "user32.dll" (ByVal hwnd As Integer, ByVal nCmdShow As Integer) As Integer



Public Const SW_RESTORE As Integer = 9

Public Const SW_SHOW As Integer = 5





Sub FocusWindow(ByVal strWindowCaption As String, ByVal strClassName As String)

    Dim hWnd As Integer

    hWnd = FindWindow(strClassName, strWindowCaption)



    If hWnd > 0 Then

        SetForegroundWindow(hWnd)



        If IsIconic(hWnd) Then  'Restore if minimized

            ShowWindow(hWnd, SW_RESTORE)

        Else

            ShowWindow(hWnd, SW_SHOW)

        End If

    End If

End Sub


To show the "Calculator" you can call FocusWindow("Calculator", Nothing) or FocusWindow(Nothing, "CalcFrame")






share|improve this answer
























  • Thank you! This was the missing link for my project.

    – LPChip
    Mar 24 '17 at 14:23











  • How would you select the window by process name rather than by window title?

    – Mark S
    Mar 11 at 14:14












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1 Answer
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1 Answer
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oldest

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oldest

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active

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6














Try this:



Public Declare Function SetForegroundWindow Lib "user32.dll" (ByVal hwnd As Integer) As Integer

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

Public Declare Function IsIconic Lib "user32.dll" (ByVal hwnd As Integer) As Boolean

Public Declare Function ShowWindow Lib "user32.dll" (ByVal hwnd As Integer, ByVal nCmdShow As Integer) As Integer



Public Const SW_RESTORE As Integer = 9

Public Const SW_SHOW As Integer = 5





Sub FocusWindow(ByVal strWindowCaption As String, ByVal strClassName As String)

    Dim hWnd As Integer

    hWnd = FindWindow(strClassName, strWindowCaption)



    If hWnd > 0 Then

        SetForegroundWindow(hWnd)



        If IsIconic(hWnd) Then  'Restore if minimized

            ShowWindow(hWnd, SW_RESTORE)

        Else

            ShowWindow(hWnd, SW_SHOW)

        End If

    End If

End Sub


To show the "Calculator" you can call FocusWindow("Calculator", Nothing) or FocusWindow(Nothing, "CalcFrame")






share|improve this answer
























  • Thank you! This was the missing link for my project.

    – LPChip
    Mar 24 '17 at 14:23











  • How would you select the window by process name rather than by window title?

    – Mark S
    Mar 11 at 14:14
















6














Try this:



Public Declare Function SetForegroundWindow Lib "user32.dll" (ByVal hwnd As Integer) As Integer

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

Public Declare Function IsIconic Lib "user32.dll" (ByVal hwnd As Integer) As Boolean

Public Declare Function ShowWindow Lib "user32.dll" (ByVal hwnd As Integer, ByVal nCmdShow As Integer) As Integer



Public Const SW_RESTORE As Integer = 9

Public Const SW_SHOW As Integer = 5





Sub FocusWindow(ByVal strWindowCaption As String, ByVal strClassName As String)

    Dim hWnd As Integer

    hWnd = FindWindow(strClassName, strWindowCaption)



    If hWnd > 0 Then

        SetForegroundWindow(hWnd)



        If IsIconic(hWnd) Then  'Restore if minimized

            ShowWindow(hWnd, SW_RESTORE)

        Else

            ShowWindow(hWnd, SW_SHOW)

        End If

    End If

End Sub


To show the "Calculator" you can call FocusWindow("Calculator", Nothing) or FocusWindow(Nothing, "CalcFrame")






share|improve this answer
























  • Thank you! This was the missing link for my project.

    – LPChip
    Mar 24 '17 at 14:23











  • How would you select the window by process name rather than by window title?

    – Mark S
    Mar 11 at 14:14














6












6








6







Try this:



Public Declare Function SetForegroundWindow Lib "user32.dll" (ByVal hwnd As Integer) As Integer

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

Public Declare Function IsIconic Lib "user32.dll" (ByVal hwnd As Integer) As Boolean

Public Declare Function ShowWindow Lib "user32.dll" (ByVal hwnd As Integer, ByVal nCmdShow As Integer) As Integer



Public Const SW_RESTORE As Integer = 9

Public Const SW_SHOW As Integer = 5





Sub FocusWindow(ByVal strWindowCaption As String, ByVal strClassName As String)

    Dim hWnd As Integer

    hWnd = FindWindow(strClassName, strWindowCaption)



    If hWnd > 0 Then

        SetForegroundWindow(hWnd)



        If IsIconic(hWnd) Then  'Restore if minimized

            ShowWindow(hWnd, SW_RESTORE)

        Else

            ShowWindow(hWnd, SW_SHOW)

        End If

    End If

End Sub


To show the "Calculator" you can call FocusWindow("Calculator", Nothing) or FocusWindow(Nothing, "CalcFrame")






share|improve this answer













Try this:



Public Declare Function SetForegroundWindow Lib "user32.dll" (ByVal hwnd As Integer) As Integer

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

Public Declare Function IsIconic Lib "user32.dll" (ByVal hwnd As Integer) As Boolean

Public Declare Function ShowWindow Lib "user32.dll" (ByVal hwnd As Integer, ByVal nCmdShow As Integer) As Integer



Public Const SW_RESTORE As Integer = 9

Public Const SW_SHOW As Integer = 5





Sub FocusWindow(ByVal strWindowCaption As String, ByVal strClassName As String)

    Dim hWnd As Integer

    hWnd = FindWindow(strClassName, strWindowCaption)



    If hWnd > 0 Then

        SetForegroundWindow(hWnd)



        If IsIconic(hWnd) Then  'Restore if minimized

            ShowWindow(hWnd, SW_RESTORE)

        Else

            ShowWindow(hWnd, SW_SHOW)

        End If

    End If

End Sub


To show the "Calculator" you can call FocusWindow("Calculator", Nothing) or FocusWindow(Nothing, "CalcFrame")







share|improve this answer












share|improve this answer



share|improve this answer










answered Jan 10 '14 at 0:47









Dan TerkildsenDan Terkildsen

19614




19614













  • Thank you! This was the missing link for my project.

    – LPChip
    Mar 24 '17 at 14:23











  • How would you select the window by process name rather than by window title?

    – Mark S
    Mar 11 at 14:14



















  • Thank you! This was the missing link for my project.

    – LPChip
    Mar 24 '17 at 14:23











  • How would you select the window by process name rather than by window title?

    – Mark S
    Mar 11 at 14:14

















Thank you! This was the missing link for my project.

– LPChip
Mar 24 '17 at 14:23





Thank you! This was the missing link for my project.

– LPChip
Mar 24 '17 at 14:23













How would you select the window by process name rather than by window title?

– Mark S
Mar 11 at 14:14





How would you select the window by process name rather than by window title?

– Mark S
Mar 11 at 14:14




















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