C# Signature:

[DllImport("user32.dll")]
static extern bool AdjustWindowRectEx(ref RECT lpRect, uint dwStyle,
   bool bMenu, uint dwExStyle);

VB.Net Signature:

<DllImport("user32.dll")> _
Public Function AdjustWindowRectEx(<MarshalAs(UnmanagedType.Struct)>byref lpRect As RECT, _
                    <MarshalAs(UnmanagedType.U4)>dwStyle As WindowStyles, _
                    <MarshalAs(UnmanagedType.Bool)>bMenu As Boolean, _
                    <MarshalAs(UnmanagedType.U4)>dwExStyle As WindowStylesEx) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function

VB Signature:

Public Declare Function AdjustWindowRectEx Lib "user32" _
         (lpRect As RECT, _
          ByVal dsStyle As WindowStyles, _
          ByVal bMenu As Long, _
          ByVal dwEsStyle As WindowStylesEx) As Long

User-Defined Types:

RECT

WindowStyles

WindowStylesEx

Notes:

None.

Tips & Tricks:

Please add some!

Sample Code:

     RECT lpRect = new RECT(ClientRectangle);
     AdjustWindowRectEx(ref lpRect, CreateParams.Style, false, CreateParams.ExStyle);  

Use this API in the class from derived Form or Control.

Alternative Managed API:

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