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FindWindowEx Reference in C#, VB.NET and VB6

Library:user32.dll

Visual Basic 6 definition
Declare Function FindWindowEx Lib "user32.dll" Alias "FindWindowExA" (ByVal hwndParent As Long, ByVal hwndChildAfter As Long, ByVal lpszClass As String, ByVal lpszWindow As String) As Long

Visual Basic .NET definition
Declare Function FindWindowEx Lib "user32" Alias "FindWindowExA" (ByVal hWnd1 As Integer, ByVal hWnd2 As Integer, ByVal lpsz1 As String, ByVal lpsz2 As String) As Integer

C# definition
[DllImport("user32", EntryPoint="FindWindowEx")] public static extern int FindWindowExA(int hWnd1, int hWnd2, string lpsz1, string lpsz2)

Description

FindWindowEx searches for a window matching a specified window class name and/or window name. The function searches all of the child windows of a given window (if desired), beginning with the windows below a specified child window. To ignore the window's class and/or title, pass a null string for those parameters.

Return Value

If successful, the function returns a handle to the found window. If no matching window could be found, or if an error occured, the function returns zero (use GetLastError to get the error code.

Parameters

Further Information:

For further information on Windows API functions such as these, and how to use these API's in your C# and VB.NET applications, please refer to the book 'Network programming in .NET' (Buy at Amazon UK) (Buy at Amazon US)

Visual Basic 6 example source code

Visual Basic .NET example source code

C# example source code

Provide a code example

C#
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