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constant values changes in visual basic .net important for those who are upgrading from VB6

constant values changes in visual basic .net important for those who are upgrading from VB6

API Declarations


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CONSTANT CHANGES IN VISUAL BASIC. NET

WindowState Constant Changes in Visual Basic .NET
Visual Basic6.0	Visual Basic .NET Equivalent
vbNormal (0)	System.Windows.Forms.FormWindowState.Normal
vbMinimized (1)	System.Windows.Forms.FormWindowState.Minimized
vbMaximized (2)	System.Windows.Forms.FormWindowState.Maximized
Align Constant Changes in Visual Basic .NET
Visual Basic 6.0	Visual Basic .NET Equivalent
VbAlignNone (0)	System.Windows.Forms.DockStyle.None
VbAlignTop (1)	System.Windows.Forms.DockStyle.Top
VbAlignBottom (2)	System.Windows.Forms.DockStyle.Bottom
VbAlignLeft (3)	System.Windows.Forms.DockStyle.Left
VbAlignRight (4)	System.Windows.Forms.DockStyle.Right

Alignment Constant Changes in Visual Basic .NET
CheckBox and OptionButton Alignment Constants

Visual Basic 6.0	Visual Basic .NET Equivalent
VbLeftJustify (0)	System.Drawing.ContentAlignment.MiddleLeft
VbRightJustify (1)	System.Drawing.ContentAlignment.MiddleRight

TextBox Alignment Constants

Visual Basic 6.0	Visual Basic .NET Equivalent
VbLeftJustify (0)	System.Windows.Forms.HorizontalAlignment.Left
VbRightJustify (1)	System.Windows.Forms.HorizontalAlignment.Right
VbCenter (2)	System.Windows.Forms.HorizontalAlignment.Center

Label Alignment Constants

Visual Basic 6.0	Visual Basic .NET Equivalent
VbLeftJustify (0)	System.Drawing.ContentAlignment.TopLeft
VbRightJustify (1)	System.Drawing.ContentAlignment.TopRight
VbCenter (2)	System.Drawing.ContentAlignment.TopCenter

Arrange Constant Changes in Visual Basic .NET
Visual Basic 6.0	Visual Basic .NET Equivalent
VbCascade (0)	System.Windows.Forms.MDILayout.Cascade
VbTileHorizontal(1)	System.Windows.Forms.MDILayout.TileHorizontal
VbTileVertical (2)	System.Windows.Forms.MDILayout.TileVertical
VbArrangeIcons (3)	System.Windows.Forms.MDILayout.ArrangeIcons
BorderStyle Constant Changes in Visual Basic .NET
Visual Basic 6.0	Visual Basic .NET Equivalent
VbBSNone (0)	System.Windows.Forms.FormBorderStyle.None
VbFixedSingle (1)	System.Windows.Forms.FormBorderStyle.FixedSingle
VbSizable (2)	System.Windows.Forms.FormBorderStyle.Sizable
VbFixedDialog (3)	System.Windows.Forms.FormBorderStyle.FixedDialog
VbFixedToolWindow (4)	System.Windows.Forms.FormBorderStyle.FixedToolWindow
VbSizableToolWindow(5)	System.Windows.Forms.FormBorderStyle.SizableToolWindow
CheckBox Constant Changes in Visual Basic .NET
Visual Basic 6.0	Visual Basic .NET Equivalent
vbUnchecked (0)	System.Windows.Forms.CheckState.Unchecked
vbChecked (1)	System.Windows.Forms.CheckState.Checked
vbGrayed (2)	System.Windows.Forms.CheckState.Indeterminate
Color Changes in Visual Basic .NET
Visual Basic 6.0	Visual Basic .NET Equivalent
VbBlack	System.Drawing.Color.Black
VbRed	System.Drawing.Color.Red
VbGreen	System.Drawing.Color.Lime
vbYellow	System.Drawing.Color.Yellow
VbBlue	System.Drawing.Color.Blue
vbMagenta	System.Drawing.Color.Magenta
VbCyan	System.Drawing.Color.Cyan
VbWhite	System.Drawing.Color.White

System Color Constant Equivalents

Visual Basic 6.0	Visual Basic .NET Equivalent
vb3DDKShadow	System.Drawing.SystemColors.ControlDarkDark
vb3DFace	System.Drawing.SystemColors.Control
vb3DHighlight	System.Drawing.SystemColors.ControlLightLight
vb3DLight	System.Drawing.SystemColors.ControlLight
vb3DShadow	System.Drawing.SystemColors.ControlDark
vbActiveBorder	System.Drawing.SystemColors.ActiveBorder
vbActiveTitleBar	System.Drawing.SystemColors.ActiveCaption
vbActiveTitleBarText	System.Drawing.SystemColors.ActiveCaptionText
vbApplicationWorkspace	System.Drawing.SystemColors.AppWorkspace
vbButtonFace	System.Drawing.SystemColors.Control
vbButtonShadow	System.Drawing.SystemColors.ControlDark
vbButtonText	System.Drawing.SystemColors.ControlText
vbDesktop	System.Drawing.SystemColors.Desktop
vbGrayText	System.Drawing.SystemColors.GrayText
vbHighlight	System.Drawing.SystemColors.Highlight
vbHighlightText	System.Drawing.SystemColors.HighlightText
vbInactiveBorder	System.Drawing.SystemColors.InactiveBorder
vbInactiveCaptionText	System.Drawing.SystemColors.InactiveCaptionText
vbInactiveTitleBar	System.Drawing.SystemColors.InactiveCaption
vbInactiveTitleBarText	System.Drawing.SystemColors.InactiveCaptionText
vbInfoBackground	System.Drawing.SystemColors.Info
vbInfoText	System.Drawing.SystemColors.InfoText
vbMenuBar	System.Drawing.SystemColors.Menu
vbMenuText	System.Drawing.SystemColors.MenuText
vbScrollBars	System.Drawing.SystemColors.Scrollbar
vbTitleBarText	System.Drawing.SystemColors.ActiveCaptionText
vbWindowBackground	System.Drawing.SystemColors.Window
vbWindowFrame	System.Drawing.SystemColors.WindowFrame
vbWindowText	System.Drawing.SystemColors.WindowText
Translating Colors

To find an equivalent value for a Visual Basic 6.0 color that is not covered by the color constants, you can use the System.Drawing.ColorTranslator class.
The following example sets the BackColor property of a TextBox control to match the lightest green (&H00C0FFC0) from the Visual Basic 6.0 color picker:
' Visual Basic .NET 
textBox1.BackColor = System.Drawing.ColorTranslator.FromOle(&H00C0FFC0)
Compare Method Constant Changes in Visual Basic .NET
Note   For backward compatibility, the Visual Basic 6.0 Compare constants may also be used in Visual Basic .NET.

Visual Basic 6.0	Visual Basic .NET Equivalent
vbBinaryCompare	CompareMethod.Binary
vbTextCompare	CompareMethod.Text
vbDatabaseCompare	No equivalent
Date Format Constant Changes in Visual Basic .NET
Note   For backward compatibility, the Visual Basic 6.0 Date Format constants may also be used in Visual Basic .NET.
Visual Basic 6.0	Visual Basic .NET Equivalent
vbGeneralDate	DateFormat.GeneralDate
vbLongDate	DateFormat.LongDate
vbShortDate	DateFormat.ShortDate
vbLongTime	DateFormat.LongTime
vbShortTime	DateFormat.ShortTime
DayOfWeek Constant Changes in Visual Basic .NET
Note   For backward compatibility, the Visual Basic 6.0 DayOfWeek constants may also be used in Visual Basic .NET.
Visual Basic 6.0	Visual Basic .NET Equivalent
VbUseSystemDayOfWeek	FirstDayOfWeek.System
vbSunday	FirstDayOfWeek.Sunday
vbMonday	FirstDayOfWeek.Monday
vbTuesday	FirstDayOfWeek.Tuesday
vbWednesday	FirstDayOfWeek.Wednesday
vbThursday	FirstDayOfWeek.Thursday
vbFriday	FirstDayOfWeek.Friday
vbSaturday	FirstDayOfWeek.Saturday
File Attribute Constant Changes in Visual Basic .NET
Visual Basic 6.0	Visual Basic .NET Equivalent
vbNormal	FileAttribute.Normal
vbReadOnly	FileAttribute.ReadOnly
vbHidden	FileAttribute.Hidden
vbSystem	FileAttribute.System
vbVolume	FileAttribute.Volume
vbDirectory	FileAttribute.Directory
vbArchive	FileAttribute.Archive
vbAlias	No equivalent
Key Code Constant Changes in Visual Basic .NET
Visual Basic 6.0	Visual Basic .NET Equivalent
vbKeyLButton (1)	System.Windows.Forms.Keys.LButton
vbKeyRButton (2)	System.Windows.Forms.Keys.RButton
vbKeyCancel (3)	System.Windows.Forms.Keys.Cancel
vbKeyMButton (4)	System.Windows.Forms.Keys.MButton
vbKeyBack (8)	System.Windows.Forms.Keys.Back
vbKeyTab (9)	System.Windows.Forms.Keys.Tab
vbKeyClear (12)	System.Windows.Forms.Keys.Clear
vbKeyReturn (13)	System.Windows.Forms.Keys.Return
vbKeyShift (16)	System.Windows.Forms.Keys.ShiftKey
vbKeyControl (17)	System.Windows.Forms.Keys.ControlKey
vbKeyMenu (18)	System.Windows.Forms.Keys.Menu
vbKeyPause (19)	System.Windows.Forms.Keys.Pause
vbKeyCapital (20)	System.Windows.Forms.Keys.Capital
vbKeyEscape (27)	System.Windows.Forms.Keys.Escape
vbKeySpace (32)	System.Windows.Forms.Keys.Space
vbKeyPageUp (33)	System.Windows.Forms.Keys.PageUp
vbKeyPageDown (34)	System.Windows.Forms.Keys.PageDown
vbKeyEnd (35)	System.Windows.Forms.Keys.End
vbKeyHome (36)	System.Windows.Forms.Keys.Home
vbKeyLeft (37)	System.Windows.Forms.Keys.Left
vbKeyUp (38)	System.Windows.Forms.Keys.Up
vbKeyRight (39)	System.Windows.Forms.Keys.Right
vbKeyDown (40)	System.Windows.Forms.Keys.Down
vbKeySelect (41)	System.Windows.Forms.Keys.Select
vbKeyPrint (42)	System.Windows.Forms.Keys.Print
vbKeyExecute (43)	System.Windows.Forms.Keys.Execute
vbKeySnapshot (44)	System.Windows.Forms.Keys.Snapshot
vbKeyInsert (45)	System.Windows.Forms.Keys.Insert
vbKeyDelete (46)	System.Windows.Forms.Keys.Delete
vbKeyHelp (47)	System.Windows.Forms.Keys.Help
vbKeyNumlock (144)	System.Windows.Forms.Keys.Numlock
vbKeyScrollLock (145)	System.Windows.Forms.Keys.Scroll

Alphabetic Key Code Constants

Visual Basic 6.0	Visual Basic .NET Equivalent
VbKeyA (65)	System.Windows.Forms.Keys.A
VbKeyB (66)	System.Windows.Forms.Keys.B
VbKeyC (67)	System.Windows.Forms.Keys.C
VbKeyD (68)	System.Windows.Forms.Keys.D
VbKeyE (69)	System.Windows.Forms.Keys.E
VbKeyF (70)	System.Windows.Forms.Keys.F
VbKeyG (71)	System.Windows.Forms.Keys.G
VbKeyH (72)	System.Windows.Forms.Keys.H
VbKeyI (73)	System.Windows.Forms.Keys.I
VbKeyJ (74)	System.Windows.Forms.Keys.J
VbKeyK (75)	System.Windows.Forms.Keys.K
VbKeyL( 76)	System.Windows.Forms.Keys.L
vbKeyM (77)	System.Windows.Forms.Keys.M
VbKeyN (78)	System.Windows.Forms.Keys.N
VbKeyO (79)	System.Windows.Forms.Keys.O
VbKeyP( 80)	System.Windows.Forms.Keys.P
VbKeyQ (81)	System.Windows.Forms.Keys.Q
VbKeyR (82)	System.Windows.Forms.Keys.R
VbKeyS (83)	System.Windows.Forms.Keys.S
VbKeyT (84)	System.Windows.Forms.Keys.T
VbKeyU (85)	System.Windows.Forms.Keys.U
VbKeyV (86)	System.Windows.Forms.Keys.V
VbKeyW (87)	System.Windows.Forms.Keys.W
VbKeyX (88)	System.Windows.Forms.Keys.X
VbKeyY (89)	System.Windows.Forms.Keys.Y
VbKeyZ (90)	System.Windows.Forms.Keys.Z

Numeric Key Constants

Visual Basic 6.0	Visual Basic .NET Equivalent
vbKey0 (48)	System.Windows.Forms.Keys.D0
vbKey1 (49)	System.Windows.Forms.Keys.D1
vbKey2 (50)	System.Windows.Forms.Keys.D2
vbKey3 (51)	System.Windows.Forms.Keys.D3
vbKey4 (52)	System.Windows.Forms.Keys.D4
vbKey5 (53)	System.Windows.Forms.Keys.D5
vbKey6 (54)	System.Windows.Forms.Keys.D6
vbKey7 (55)	System.Windows.Forms.Keys.D7
vbKey8 (56)	System.Windows.Forms.Keys.D8
vbKey9 (57)	System.Windows.Forms.Keys.D9

Numeric Keypad Key Constants

Visual Basic 6.0	Visual Basic .NET Equivalent
vbKeyNumpad0 (96)	System.Windows.Forms.Keys.NumPad0
vbKeyNumpad1 (97)	System.Windows.Forms.Keys.NumPad1
vbKeyNumpad2 (98)	System.Windows.Forms.Keys.NumPad2
vbKeyNumpad3 (99)	System.Windows.Forms.Keys.NumPad3
vbKeyNumpad4 (100)	System.Windows.Forms.Keys.NumPad4
vbKeyNumpad5 (101)	System.Windows.Forms.Keys.NumPad5
vbKeyNumpad6 (102)	System.Windows.Forms.Keys.NumPad6
vbKeyNumpad7 (103)	System.Windows.Forms.Keys.NumPad7
vbKeyNumpad8 (104)	System.Windows.Forms.Keys.NumPad8
vbKeyNumpad9 (105)	System.Windows.Forms.Keys.NumPad9
VbKeyMultiply (106)	System.Windows.Forms.Keys.Multiply
VbKeyAdd (107)	System.Windows.Forms.Keys.Add
VbKeySeparator (108)	System.Windows.Forms.Keys.Separator
VbKeySubtract (109)	System.Windows.Forms.Keys.Subtract
VbKeyDecimal (110)	System.Windows.Forms.Keys.Decimal
VbKeyDivide (111)	System.Windows.Forms.Keys.Divide


Function Key Constants

Visual Basic 6.0	Visual Basic .NET Equivalent
vbKeyF1 (112)	System.Windows.Forms.Keys.F1
vbKeyF2 (113)	System.Windows.Forms.Keys.F2
vbKeyF3 (114)	System.Windows.Forms.Keys.F3
vbKeyF4 (115)	System.Windows.Forms.Keys.F4
vbKeyF5 (116)	System.Windows.Forms.Keys.F5
vbKeyF6 (117)	System.Windows.Forms.Keys.F6
vbKeyF7 (118)	System.Windows.Forms.Keys.F7
vbKeyF8 (119)	System.Windows.Forms.Keys.F8
vbKeyF9 (120)	System.Windows.Forms.Keys.F9
vbKeyF10 (121)	System.Windows.Forms.Keys.F10
vbKeyF11 (122)	System.Windows.Forms.Keys.F11
vbKeyF12 (123)	System.Windows.Forms.Keys.F12
vbKeyF13 (124)	System.Windows.Forms.Keys.F13
vbKeyF14 (125)	System.Windows.Forms.Keys.F14
vbKeyF15 (126)	System.Windows.Forms.Keys.F15
vbKeyF16 (127)	System.Windows.Forms.Keys.F16
MultiSelect Constant Changes in Visual Basic .NET
Visual Basic 6.0	Visual Basic .NET Equivalent
vbMultiSelectNone (0)	System.Windows.Forms.SelectionMode.One
vbMultiSelectSimple (1)	System.Windows.Forms.SelectionMode.MultiSimple
VbvbMultiSelectExtended(2)	System.Windows.Forms.SelectionMode.MultiExtended
Mouse Pointer Constant Changes in Visual Basic .NET
Visual Basic 6.0	Visual Basic .NET Equivalent
VbDefault (0)	Windows.Forms.Cursors.Default
VbArrow (1)	Windows.Forms.Cursors.Arrow
VbCrosshair (2)	Windows.Forms.Cursors.Cross
VbIbeam (3)	Windows.Forms.Cursors.Ibeam
VbIconPointer (4)	Obsolete — replaced by System.Windows.Forms.Cursors.Default
VbSizePointer (5)	Windows.Forms.Cursors.SizeAll
VbSizeNESW (6)	Windows.Forms.Cursors.SizeNESW
VbSizeNS (7)	Windows.Forms.Cursors.SizeNS
VbSizeNWSE (8)	Windows.Forms.Cursors.SizeNWSE
VbSizeWE (9)	Windows.Forms.Cursors.SizeWE
VbUpArrow (10)	Windows.Forms.Cursors.UpArrow
VbHourglass (11)	Windows.Forms.Cursors.WaitCursor
VbNoDrop (12)	System.Drawing.Cursurs.NoDrop
VbArrowHourglass (13)	Windows.Forms.Cursors.AppStarting
VbArrowQuestion (14)	Windows.Forms.Cursors.Help
VbSizeAll (15)	Windows.Forms.Cursors.SizeAll
VbCustom (99)	No equivalent — 
MsgBox Result Constant Changes in Visual Basic .NET
Note   For backward compatibility, the Visual Basic 6.0 MsgBox Result constants may also be used in Visual Basic .NET.
Visual Basic 6.0	Visual Basic .NET Equivalent
VbOK	MsgBoxResult.OK
VbCancel	MsgBoxResult.Cancel
VbAbort	MsgBoxResult.Abort
VbRetry	MsgBoxResult.Retry
VbIgnore	MsgBoxResult.Ignore
VbYes	MsgBoxResult.Yes
vbNo	MsgBoxResult.No


MsgBox Style Constant Changes in Visual Basic .NET
Visual Basic 6.0	Visual Basic .NET Equivalent
vbOKOnly	MsgBoxStyle.OKOnly
vbOKCancel	MsgBoxStyle.OKCancel
vbAbortRetryIgnore	MsgBoxStyle.AbortRetryIgnore
vbYesNoCancel	MsgBoxStyle.YesNoCancel
vbYesNo	MsgBoxStyle.YesNo
vbRetryCancel	MsgBoxStyle.RetryCancel
vbCritical	MsgBoxStyle.Critical
vbQuestion	MsgBoxStyle.Question
vbExclamation	MsgBoxStyle.Exclamation
vbInformation	MsgBoxStyle.Information
vbDefaultButton1	MsgBoxStyle.DefaultButton1
vbDefaultButton2	MsgBoxStyle.DefaultButton2
vbDefaultButton3	MsgBoxStyle.DefaultButton3
vbDefaultButton4	No equivalent
vbApplicationModal	MsgBoxStyle.ApplicationModal
vbSystemModal	MsgBoxStyle.SystemModal
vbMsgBoxHelpButton	MsgBoxStyle.MsgBoxHelp
vbMsgBoxRight	MsgBoxStyle.MsgBoxRight
vbMsgBoxRtlReading	MsgBoxStyle.MsgBoxRtlReading
vbMsgBoxSetForeground	MsgBoxStyle.MsgBoxSetForeground
OLEDropEffect Constant Changes in Visual Basic .NET
Visual Basic 6.0	Visual Basic .NET Equivalent
VbDropEffectNone (0)	System.Windows.Forms.DragDropEffects.None
VbDropEffectCopy (1)	System.Windows.Forms.DragDropEffects.Copy
VbDropEffectMove (2)	System.Windows.Forms.DragDropEffects.Move
VbDropEffectScroll (&H80000000)	System.Windows.Forms.DragDropEffects.Scroll
ScrollBar Constant Changes in Visual Basic .NET
Visual Basic 6.0	Visual Basic .NET Equivalent
vbSBNone (0)	System.Windows.Forms.ScrollBars.None
vbHorizontal (1)	System.Windows.Forms.ScrollBars.Horizontal
vbVertical (2)	System.Windows.Forms.ScrollBars.Vertical
vbBoth (3)	System.Windows.Forms.ScrollBars.Both
StrConv Constant Changes in Visual Basic .NET
Visual Basic 6.0	Visual Basic .NET Equivalent
vbUpperCase	VbStrConv.UpperCase
vbLowerCase	VbStrConv.LowerCase
vbProperCase	VbStrConv.ProperCase
vbWide	VbStrConv.Wide
vbNarrow	VbStrConv.Narrow
vbKatakana	VbStrConv.Katakana
vbHiragana	VbStrConv.Hiragana
vbUnicode	No equivalent
vbFromUnicode	No equivalent
VarType Constant Changes in Visual Basic .NET
Visual Basic 6.0	Visual Basic .NET Equivalent
VbEmpty	VariantType.Empty
VbNull	VariantType.Null
VbInteger	VariantType.Short
VbLong	VariantType.Integer
VbSingle	VariantType.Single
VbDouble	VariantType.Double
VbCurrency	VariantType.Decimal
VbDate	VariantType.Date
VbString	VariantType.String
VbObject	VariantType.Object
VbError	VariantType.Error
VbBoolean	VariantType.Boolean
VbVariant	VariantType.Variant
VbDataObject	VariantType.DataObject
VbDecimal	VariantType.Decimal
VbByte	VariantType.Byte
vbUserDefinedType	VariantType.UserDefinedType
VbArray	VariantType.Array
VBA Constant Changes in Visual Basic .NET
Visual Basic 6.0	Visual Basic .NET Equivalent
VbBack	ControlChars.Back
VbCr	ControlChars.Cr
VbCrLf	ControlChars.CrLf
vbFormFeed	ControlChars.FormFeed
vbLf	ControlChars.Lf
vbNewLine	ControlChars.NewLine
vbNullChar	ControlChars.NullChar
vbNullString	Nothing keyword
vbObjectError	VbObjectError
vbTab	ControlChars.Tab
WeekOfYear Constant Changes in Visual Basic .NET
Visual Basic 6.0	Visual Basic .NET Equivalent
VbUseSystem	FirstWeekOfYear.System
VbFirstJan1	FirstWeekOfYear.Jan1
vbFirstFourDays	FirstWeekOfYear.FirstFourDays
vbFirstFullWeek	FirstWeekOfYear.FirstFullWeek
WindowStyle Constant Changes in Visual Basic .NET
Visual Basic 6.0	Visual Basic .NET Equivalent
vbHide	AppWinStyle.Hide
vbNormalFocus	AppWinStyle.NormalFocus
vbMinimizedFocus	AppWinStyle.MinimizedFocus
vbMaximizedFocus	AppWinStyle.MaximizedFocus
vbNormalNoFocus	AppWinStyle.NormalNoFocus
vbMinimizedNoFocus	AppWinStyle.MinimizedNoFocus
Style Constant Changes in Visual Basic .NET
ComboBox Style Constants

Visual Basic 6.0	Visual Basic .NET Equivalent
vbComboDropdown (0)	System.Windows.Forms.ComboBoxStyle.DropDown
vbComboSimple (1)	System.Windows.Forms.ComboBoxStyle.Simple
vbComboDropdownList(2)	System.Windows.Forms.ComboBoxStyle.DropDownList
	

CheckBox and OptionButton Style Constants

Visual Basic 6.0	Visual Basic .NET Equivalent
VbButtonStandard (0)	System.Windows.Forms.Appearance.Normal
VbButtonGraphical (1)	System.Windows.Forms.Appearance.Button
	


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