''' <summary>The RECT structure defines the coordinates of the upper-left and lower-right corners of a rectangle.</summary>
        ''' <remarks>By convention, the right and bottom edges of the rectangle are normally considered exclusive. In other words, the pixel whose coordinates are (right, bottom) lies immediately outside of the the rectangle. For example, when RECT is passed to the FillRect function, the rectangle is filled up to, but not including, the right column and bottom row of pixels. This structure is identical to the RECTL structure.</remarks>
        <StructLayout(LayoutKind.Sequential)> _
        Friend Structure RECT
            ''' <summary>Specifies the x-coordinate of the upper-left corner of the rectangle.</summary>
            Friend Left As Int32
            ''' <summary>Specifies the y-coordinate of the upper-left corner of the rectangle.</summary>
            Friend Top As Int32
            ''' <summary>Specifies the x-coordinate of the lower-right corner of the rectangle.</summary>
            Friend Right As Int32
            ''' <summary>Specifies the y-coordinate of the lower-right corner of the rectangle.</summary>
            Friend Bottom As Int32
            ''' <summary>Initializes <see cref="RECT"/> structure</summary>
            ''' <param name="Left">Specifies the x-coordinate of the upper-left corner of the rectangle.</param>
            ''' <param name="Top">Specifies the y-coordinate of the upper-left corner of the rectangle.</param>
            ''' <param name="Right">Specifies the x-coordinate of the lower-right corner of the rectangle.</param>
            ''' <param name="Bottom">Specifies the y-coordinate of the lower-right corner of the rectangle.</param>
            Friend Sub New(ByVal Left%, ByVal Top%, ByVal Right%, ByVal Bottom%)
                Me.Left = Left : Me.Bottom = Bottom : Me.Right = Right : Me.Top = Top
            End Sub
            ''' <summary>Converts <see cref="Rectangle"/> to <see cref="RECT"/></summary>
            ''' <param name="a">A <see cref="Rectangle"/></param>
            ''' <returns><see cref="RECT"/> equivalent to <paramref name="a"/></returns>
            Public Shared Widening Operator CType(ByVal a As Rectangle) As RECT
                Return New RECT(a.Left, a.Top, a.Right, a.Bottom)
            End Operator
            ''' <summary>Converts <see cref="RECT"/> to <see cref="Rectangle"/></summary>
            ''' <param name="a">A <see cref="RECT"/></param>
            ''' <returns><see cref="Rectangle"/> equivalent to <paramref name="a"/></returns>
            Public Shared Widening Operator CType(ByVal a As RECT) As Rectangle
                Return New Rectangle(a.Left, a.Top, a.Right - a.Left, a.Bottom - a.Top)
            End Operator
        End Structure