public static extern nint CreateWindowEx(uint dwExStyle, string className, string windowName, uint dwStyle, int x, int y, int nWidth, int nHeight, nint hWndParent, nint hMenu, nint hInstance, nint param)

Public Shared Function CreateWindowEx(dwExStyle As UInteger, className As String, windowName As String, dwStyle As UInteger, x As Integer, y As Integer, nWidth As Integer, nHeight As Integer, hWndParent As IntPtr, hMenu As IntPtr, hInstance As IntPtr, param As IntPtr) As IntPtr