SizingWindowSide

C# Definition:

/// <summary>When resizing a window, this is the side of the window being resized.</summary>
protected enum SizingWindowSide : uint
{
    /// <summary>WMSZ_LEFT: Left edge</summary>
    Left = 1,
    /// <summary>WMSZ_RIGHT: Right edge</summary>
    Right = 2,
    /// <summary>WMSZ_TOP: Top edge</summary>
    Top = 3,
    /// <summary>WMSZ_TOPLEFT: Top-left corner</summary>
    TopLeft = 4,
    /// <summary>WMSZ_TOPRIGHT: Top-right corner</summary>
    TopRight = 5,
    /// <summary>WMSZ_BOTTOM: Bottom edge</summary>
    Bottom = 6,
    /// <summary>WMSZ_BOTTOMLEFT: Bottom-left corner</summary>
    BottomLeft = 7,
    /// <summary>WMSZ_BOTTOMRIGHT: Bottom-right corner</summary>
    BottomRight = 8,
}

VB Definition:

Enum SizingWindowSide
   ''' <summary>WMSZ_LEFT: Left edge</summary>
   Left = 1
   ''' <summary>WMSZ_RIGHT: Right edge</summary>
   Right = 2
   ''' <summary>WMSZ_TOP: Top edge</summary>
   Top = 3
   ''' <summary>WMSZ_TOPLEFT: Top-left corner</summary>
   TopLeft = 4
   ''' <summary>WMSZ_TOPRIGHT: Top-right corner</summary>
   TopRight = 5
   ''' <summary>WMSZ_BOTTOM: Bottom edge</summary>
   Bottom = 6
   ''' <summary>WMSZ_BOTTOMLEFT: Bottom-left corner</summary>
   BottomLeft = 7
   ''' <summary>WMSZ_BOTTOMRIGHT: Bottom-right corner</summary>
   BottomRight = 8
End Enum