C# Signature:

[DllImport("user32.dll")]
static extern bool GetWindowInfo(IntPtr hwnd, ref WINDOWINFO pwi);

VB Signature:

Public Declare Auto Function GetWindowInfo Lib "user32" _
(ByVal hwnd As IntPtr, ByRef pwi As WINDOWINFO) As Boolean

VB.Net Signature:

<DllImport("User32.dll")> _
Public Function GetWindowInfo(ByVal hwnd As IntPtr, ByRef pwi As WINDOWINFO) As Boolean
End Function

User-Defined Types:

None.

Notes:

You must assign the cbSize parameter prior to calling GetWindowInfo(). For example:

In C#

    WINDOWINFO info = new WINDOWINFO();
    info.cbSize = (uint)Marshal.SizeOf(info);
    GetWindowInfo(Handle, ref info);

In VB

    Dim instance As Process
    Dim info As New WINDOWINFO
    info.cbSize = Convert.ToUInt32(Marshal.SizeOf(info))

To get a WINDOWINFO see http://pinvoke.net/default.aspx/Structures.WINDOWINFO

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Sample Code:

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Alternative Managed API:

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