Network programming in C#, Network Programming in VB.NET, Network Programming in .NET
Available now!
Buy at Amazon US or
Buy at Amazon UK


» Windows API reference
» Webcam streaming in VB.NET
» Remoting with firewalls
» RSA from first principles
» Key & MouseLogger in .NET
» Networking Resource Kit for .NET
» Migrating VB6 Winsock to VB.NET
» Migrating C++ sockets to C#
» RFC Reference guide
» COM Reference guide
» WMI Reference guide
» SQL stored procedures
» TCP & UDP port reference
» NET Framework reference
» Ethernet Type codes
» MAC address assignments
» DLL entry point reference
» Boost SQL performance
» Free SMS UK
» Free SMS Ireland
» Free SMS South Africa
» Internet Explorer

Contact us

EnumChildWindows Reference in C#, VB.NET and VB6


Visual Basic 6 definition
Declare Function EnumChildWindows Lib "user32.dll" (ByVal hWndParent As Long, ByVal lpEnumFunc As Long, ByVal lParam As Long) As Long

Visual Basic .NET definition
Declare Function EnumChildWindows Lib "user32" (ByVal hwndParent As Integer, ByVal lpEnumFunc As Integer, ByVal lParam As Integer) As Integer

C# definition
[DllImport("user32")] public static extern int EnumChildWindows(int hwndParent, int lpEnumFunc, int lParam)


EnumChildWindows enumerates and provides handles to all of the child windows of a given window. This function will also enumerate any children of the child windows. Each time a child window is located, the function passes that handle to a program-defined callback function. The function continues doing so until all child windows have been enumerated, or until the process has been aborted. EnumChildWindows Enumerates the child windows that belong to the specified parent window. System.Windows.Forms.Form.Controls

Return Value

If an error occured, the function returns 0 (use GetLastError to get the error code). If successful, the function returns a non-zero value.


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



Copyright 2015 Open Merchant Account Ltd.