SMALL_RECT構造体

Type SMALL_RECT
    Left As Integer            矩形の左上隅のX座標
    Top As Integer             同、Y座標
    Right As Integer           矩形の右下隅のX座標
    Bottom As Integer          同、Y座標
End Type

Structure SMALL_RECT
    Left As Short            矩形の左上隅のX座標
    Top As Short             同、Y座標
    Right As Short           矩形の右下隅のX座標
    Bottom As Short          同、Y座標
End Structure