这两种不同的添加方法——结果有何不同？

如下为第一种：

这种方式添加成员变量以后，并会添加flexgrid相关的类。

如下为第二种：

这种方式添加以后，也会添加FlexGrid相关的类。

 

上述两种结果有何不同？

结论 ：

按照添加成员变量的方式时 头文件中多了

enum
{
    flexOLEDragManual = 0,
    flexOLEDragAutomatic = 1
}OLEDragConstants;
enum
{
    flexOLEDropNone = 0,
    flexOLEDropManual = 1
}OLEDropConstants;
enum
{
    flexEnter = 0,
    flexLeave = 1,
    flexOver = 2
}DragOverConstants;
enum
{
    flexCFText = 1,
    flexCFBitmap = 2,
    flexCFMetafile = 3,
    flexCFDIB = 8,
    flexCFPalette = 9,
    flexCFEMetafile = 14,
    flexCFFiles = 15,
    flexCFRTF = -16639
}ClipBoardConstants;
enum
{
    flexOLEDropEffectNone = 0,
    flexOLEDropEffectCopy = 1,
    flexOLEDropEffectMove = 2,
    flexOLEDropEffectScroll = -2147483648
}OLEDropEffectConstants;
enum
{
    flexerrIllegaFunctionCall = 5,
    flexerrObjIllegalUse = 425,
    flexerrClipInvalidFormat = 461,
    flexerrDataObjectLocked = 672,
    flexerrExpectedAnArgument = 673,
    flexerrRecursiveOLEDrag = 674,
    flexerrUserFormatNotBinArray = 675,
    flexerrDataNotSetForFormat = 676,
    flexerrUnknownError = 600,
    flexerrSubscript = 381,
    flexerrBadValue = 380,
    flexerrGetNotSupported = 394,
    flexerrSetNotPermitted = 387,
    flexerrOutOfMemory = 7,
    flexerrVB30000 = 30000,
    flexerrVB30001 = 30001,
    flexerrVB30002 = 30002,
    flexerrVB30004 = 30004,
    flexerrVB30005 = 30005,
    flexerrVB30006 = 30006,
    flexerrVB30008 = 30008,
    flexerrVB30009 = 30009,
    flexerrVB30010 = 30010,
    flexerrVB30011 = 30011,
    flexerrVB30013 = 30013,
    flexerrVB30014 = 30014,
    flexerrVB30015 = 30015,
    flexerrVB30016 = 30016,
    flexerrVB30017 = 30017
}ErrorConstants;
enum
{
    flexFlat = 0,
    flex3D = 1
}AppearanceSettings;
enum
{
    flexBorderNone = 0,
    flexBorderSingle = 1
}BorderStyleSettings;
enum
{
    flexFocusNone = 0,
    flexFocusLight = 1,
    flexFocusHeavy = 2
}FocusRectSettings;
enum
{
    flexHighlightNever = 0,
    flexHighlightAlways = 1,
    flexHighlightWithFocus = 2
}HighLightSettings;
enum
{
    flexScrollBarNone = 0,
    flexScrollBarHorizontal = 1,
    flexScrollBarVertical = 2,
    flexScrollBarBoth = 3
}ScrollBarsSettings;
enum
{
    flexTextFlat = 0,
    flexTextRaised = 1,
    flexTextInset = 2,
    flexTextRaisedLight = 3,
    flexTextInsetLight = 4
}TextStyleSettings;
enum
{
    flexFillSingle = 0,
    flexFillRepeat = 1
}FillStyleSettings;
enum
{
    flexGridNone = 0,
    flexGridFlat = 1,
    flexGridInset = 2,
    flexGridRaised = 3
}GridLineSettings;
enum
{
    flexSelectionFree = 0,
    flexSelectionByRow = 1,
    flexSelectionByColumn = 2
}SelectionModeSettings;
enum
{
    flexMergeNever = 0,
    flexMergeFree = 1,
    flexMergeRestrictRows = 2,
    flexMergeRestrictColumns = 3,
    flexMergeRestrictAll = 4
}MergeCellsSettings;
enum
{
    flexPictureColor = 0,
    flexPictureMonochrome = 1
}PictureTypeSettings;
enum
{
    flexResizeNone = 0,
    flexResizeColumns = 1,
    flexResizeRows = 2,
    flexResizeBoth = 3
}AllowUserResizeSettings;
enum
{
    flexDefault = 0,
    flexArrow = 1,
    flexCross = 2,
    flexIBeam = 3,
    flexIcon = 4,
    flexSize = 5,
    flexSizeNESW = 6,
    flexSizeNS = 7,
    flexSizeNWSE = 8,
    flexSizeEW = 9,
    flexUpArrow = 10,
    flexHourglass = 11,
    flexNoDrop = 12,
    flexArrowHourGlass = 13,
    flexArrowQuestion = 14,
    flexSizeAll = 15,
    flexCustom = 99
}MousePointerSettings;
enum
{
    flexSortNone = 0,
    flexSortGenericAscending = 1,
    flexSortGenericDescending = 2,
    flexSortNumericAscending = 3,
    flexSortNumericDescending = 4,
    flexSortStringNoCaseAscending = 5,
    flexSortStringNoCaseDescending = 6,
    flexSortStringAscending = 7,
    flexSortStringDescending = 8
}SortSettings;
enum
{
    flexAlignLeftTop = 0,
    flexAlignLeftCenter = 1,
    flexAlignLeftBottom = 2,
    flexAlignCenterTop = 3,
    flexAlignCenterCenter = 4,
    flexAlignCenterBottom = 5,
    flexAlignRightTop = 6,
    flexAlignRightCenter = 7,
    flexAlignRightBottom = 8,
    flexAlignGeneral = 9
}AlignmentSettings;

其他地方 包括 cpp文件都完全一样 。