@msdn=http://search.microsoft.com/search/results.aspx?qu=$$$ @pinvoke=http://pinvoke.net/$$$.htm Summary: The SetWindowText API !!!!C# Signature: /// <summary> /// Changes the text of the specified window's title bar (if it has one). If the specified window is a control, the /// text of the control is changed. However, SetWindowText cannot change the text of a control in another application. /// <para> /// Go to https://msdn.microsoft.com/en-us/library/windows/desktop/ms633546%28v=vs.85%29.aspx for more /// information /// </para> /// </summary> /// <param name="hwnd">C++ ( hWnd [in]. Type: HWND )<br />A handle to the window or control whose text is to be changed.</param> /// <param name="lpString">C++ ( lpString [in, optional]. Type: LPCTSTR )<br />The new title or control text.</param> /// <returns> /// If the function succeeds, the return value is nonzero. If the function fails, the return value is zero.<br /> /// To get extended error information, call GetLastError. /// </returns> /// <remarks> /// If the target window is owned by the current process, <see cref="SetWindowText" /> causes a WM_SETTEXT message to /// be sent to the specified window or control. If the control is a list box control created with the WS_CAPTION style, /// however, <see cref="SetWindowText" /> sets the text for the control, not for the list box entries.<br />To set the /// text of a control in another process, send the WM_SETTEXT message directly instead of calling /// <see cref="SetWindowText" />. The <see cref="SetWindowText" /> function does not expand tab characters (ASCII code /// 0x09). Tab characters are displayed as vertical bar(|) characters.<br />For an example go to /// <see cref="!:https://msdn.microsoft.com/en-us/library/windows/desktop/ms644928%28v=vs.85%29.aspx#sending"> /// Sending a /// Message. /// </see> /// </remarks> [DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Auto)] public static extern bool SetWindowText(IntPtr hwnd, String lpString); !!!!VB.Net Signature: <DllImport("user32.dll", SetLastError:=True, CharSet:=CharSet.Auto)> _ Private Shared Function SetWindowText(ByVal hwnd As IntPtr, ByVal lpString As String) As Boolean End Function !!!!VB Signature: Declare Auto Function SetWindowText Lib "user32" (ByVal hWnd As IntPtr, ByVal lpstring As String) As Boolean !!!!User-Defined Types: None. !!!!Notes: The handle used cannot be used to make a Form from Form.FromHandle() or from Control.FromHandle(). !!!!Tips & Tricks: Please add some! !!!!C# Sample Code: SetWindowText(Process.GetCurrentProcess().MainWindowHandle, "Amazing!"); !!!!Alternative Managed API: Do you know one? Please contribute it! Documentation: SetWindowText@msdn on MSDN Note: This SetWindowText will set text to the controls(textbox for example) in the same process. If they exist in other processes, use SendMessage instead... - jp
Edit user32.setwindowtext
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