VB6.0 and VB. Net functions.

VB6.0 and VB. Net functions.

Comparison between VB6.0 and VB. Net
VB6.0	VB. NET
AddItem Object name. AddItem	Object Name. Items. Add ListBox1.Items. Add ComboBox1.Items. Add
Abs Functions	System. Math. Abs Method
API function relationships	Microsoft Win32 and Microsoft. NET Framework APIs
App. Path, etc.	1. System. Reflection. Assembly. GetExecutingAssembly. Location 2. Application. StartupPath 3. Application. ExecutablePath 4. System. AppDomain. CurrentDomain. BaseDirectory
App. PrevInstance	Process. GetProcessesByName (pn). GetUpperBound (0)> 0
As Any keyword	Visual Basic. NET is not supported. Reference Method (SendMessage)
AscB Functions	Microsoft. VisualBasic. Strings. Asc Function
Atn Function	System. Math. Atan Method
AutoRedraw attributes	No same project.
Beep	Microsoft. VisualBasic. Beep ()
Caption attributes	Text attributes
CBool Functions	CBool Functions
CByte Functions	CByte Functions
CDate Function	CDate Function
CDbl Functions	CDbl Functions
CDec Function	CDec Function
ChDir statement	Microsoft. VisualBasic. FileSystem. ChDir function System. IO. Directory. SetCurrentDirectory Method
ChDrive statement	Microsoft. VisualBasic. FileSystem. ChDrive Function
Chr $ function, ChrB Function	Microsoft. VisualBasic. Strings. Chr Function
CInt Function	CInt Function
Circle Method	System. Drawing. Graphics. DrawEllipse Method
CLong Function	CLong Function
Close statement	Microsoft. VisualBasic. FileSystem. FileClose function System. IO. StreamReader. Close Method
Clipboard object	System. Windows. Forms. Clipboard namespace
ClipControls attributes	No same project.
Cls Method	System. Drawing. Graphics. Clear Method
Color QBColor vbBlack RGB ()	System. Drawing. Color. Black
Command	System. Environment. GetCommandLineArgs
Combo1.AddItem	ComboBox1.Items. Add
Cos Functions	System. Math. Cos Method
CSng Function	CSng Function
CStr Function	CStr Function
CurDir Function	System. IO. Directory. GetCurrentDirectory () method
Currency type	Decimal type
CurrentX Property	X parameters of various graph-related methods. For example, DrawRectangle (pen, x, y, width, height)
CurrentY Property	Y parameters of various graph-related methods. For example, DrawRectangle (pen, x, y, width, height)
Date functions and Date statements	System. DateTime. Now System. DateTime. Today. ToString
Date $ Function	Microsoft. VisualBasic. DateAndTime. DateString
DateAdd Function	System. DateTime. AddYears method AddMonths AddDays
DateDiff Function	Microsoft. VisualBasic. DateDiff Function
DateValue Function	System. DateTime. Parse method CDate Function
DatePart Functions	Microsoft. VisualBasic. DatePart Function
Day function	System. DateTime. Day attribute
Debug. Print	Debug. WriteLine
DeleteSetting statement	Microsoft. VisualBasic. Interaction. DeleteSetting
DoEvents Function	System. Windows. Forms. Application. DoEvents Method
DrawMode attribute	System. Drawing. Pen. Color Attribute
DrawStyle attributes	System. Drawing. Pen. PenType attributes
DrawWidth attributes	System. Drawing. Pen. Width attribute
Environ	Microsoft. VisualBasic. Interaction. Environ System. Environment. GetFolderPath
Exp Function	System. Math. Exp Method
FillColor attributes	System. Drawing. SolidBrush. Color Attribute
FileCopy statement	Microsoft. VisualBasic. FileSystem. FileCopy function System. IO. File. Copy method
FileLen Function	System. IO. FileInfo. Length attribute Microsoft. VisualBasic. FileSystem. FileLen
FillStyle attributes	System. Drawing. Pen. Brush attributes
Get statement	Microsoft. VisualBasic. FileSystem. FileGet Function
GetAttr	System. IO. File. GetAttributes
GotFocus event	Enter event
GetSetting statement	Microsoft. VisualBasic. Interaction. GetSetting
FileDateTime Function	System. IO. File. GetCreationTime Method
HasDC attributes	No same project.
HDC attributes	No same project.
Height attribute	Control. Size attribute
Hour Function	System. DateTime. Hour attribute
Hwnd Form1.hwnd	The Form1.Handle definition is also ByVal hWnd As IntPtr.
Image attributes	Image attributes
Input # statement	Microsoft. VisualBasic. FileSystem. Input Function
InStr Functions	System. String. IndexOf Microsoft. VisualBasic. Strings. InStr Function
InStrB Function	Microsoft. VisualBasic. Strings. InStr Function
Limit rev Function	System. String. LastIndexOf method Microsoft. VisualBasic. Strings. Limit rev Function
Int Function	System. Math. Floor method System. Math. Ceiling method Microsoft. VisualBasic. Int Function
Integer type Long	Change Dim y As Integer to Dim x As Short Dim y As Long to Dim y As Integer.
IsEmpty Function	Microsoft. VisualBasic. Information. IsNothing Function
IsDate Function	Microsoft. VisualBasic. IsDate Function
IsNull Function	Microsoft. VisualBasic. Information. IsDBNull Function
IsObject Functions	Microsoft. VisualBasic. Information. IsReference Function
Join Function	System. String. Join Method
KeyAscii	E. KeyChar attributes
Kill statement	Microsoft. VisualBasic. FileSystem. Kill function System. IO namespace FileInfo. Delete Method
LBound UBound	System. Array. GetLowerBound System. Array. GetUpperBound
LCase $ Function	String. ToLower method Microsoft. VisualBasic. Strings. LCase Function
Left attribute	Control. Location Property
Left $, LeftB, LeftB $	System. String. SubString Microsoft. VisualBasic. Strings. Left Function
Len	System. String. Length Microsoft. VisualBasic. Strings. Len
LenB	System. text. encoding. getEncoding ("gb2312 "). getByteCount (str1) System. text. encoding. unicode. getByteCount ("123 size") 'result 12 System. text. encoding. default. getByteCount ("123 large") 'result 9
Line Method	System. Drawing. Graphics. DrawLine Method
Line Input # statement	Microsoft. VisualBasic. FileSystem. LineInput Function
List1.AddItem	ListBox1.Items. Add
LoadPicture Function	System. Drawing. Image. FromFile ("...test.bmp ")
Lock statement	Microsoft. VisualBasic. FileSystem. Lock function
Log Functions	System. Math. Log Method
Long Integer type	Change Dim y As Integer to Dim x As Short Dim y As Long to Dim y As Integer.
LostFocus event	Leave event
LTrim $ Function	System. String. TrimStart Microsoft. VisualBasic. Strings. LTrim Function
Mid Function	System. String. SubString Microsoft. VisualBasic. Strings. Mid Function
MidB Functions	Microsoft. VisualBasic. Strings. Mid Function
Minute Function	System. DateTime. Minute attribute
MkDir statement	Microsoft. VisualBasic. FileSystem. MkDir function System. IO. Directory. CreateDirectory Method
MousePointer = 11 Screen. MousePointer	System. Windows. Forms. Cursors. WaitCursor () System. Windows. Forms. Cursor. Current = Cursors. WaitCursor
Mod Operator	Math. IEEERemainder method Debug. writeLine (Math. IEEERemainder (10, 3) 'result 1 System. math. divRem (10, 3, intResult) 'result 3 (10 3) Debug. writeLine (intResult) 'result 1 (10 Mod 3)
Month Function	System. DateTime. Month attribute
MsgBox	System. Windows. Forms. MessageBox. Show ("Hello, world! ") Microsoft. VisualBasic. MsgBox
Name statement	Microsoft. VisualBasic. FileSystem. Rename Function
Now Function	System. DateTime. Now Microsoft. VisualBasic. Now
Open statement	Microsoft. VisualBasic. FileSystem. FileOpen Function
Option Base statement	Visual Basic. NET is not supported.
Option Private	Visual Basic. NET is not supported.
PaintPicture Method	System. Drawing. Graphics. DrawImage Method
Point Method	The same Form and control does not exist. Use the System. Drawing. Bitmap. GetPixel method when using Bitmap.
Print Method	System. Drawing. Graphics. DrawString Method
PrintForm	Visual Basic. NET is not supported.
Print # statement	Microsoft. VisualBasic. FileSystem. Print function
Private statement Public statement	Private Public Friend Protected Friend
Pset Method	The same Form and control does not exist. Use the System. Drawing. Bitmap. SetPixel method when using Bitmap.
Put statement	Microsoft. VisualBasic. FileSystem. FilePut Function
Replace Function	Microsoft. VisualBasic. Strings. Replace Function
Right $ function, RightB Function	System. String. SubString Microsoft. VisualBasic. Strings. Right function
ReDim statement	ReDim MyArray (5) ReDim Preserve MyArray (15) Statement
RmDir statement	Microsoft. VisualBasic. FileSystem. RmDir function System. IO. Directory. Delete () method
Round Function	System. Math. Round Method
RTrim $ Function	System. String. TrimEnd Microsoft. VisualBasic. Strings. RTrim
SaveSetting statement	Microsoft. VisualBasic. Interaction. SaveSetting Function
Scale Method	Visual Basic. NET is not supported.
Screen. ActiveControl Screen. ActiveForm Screen. Fonts Screen. Height Screen. MousePointer Screen. Width other Screen objects	System. windows. forms. application. activeForm. activeControl System. windows. forms. application. activeForm System. drawing. fontFamilies System. windows. forms. screen. primaryScreen. bounds. height System. drawing. cursor. current System. windows. forms. screen. primaryScreen. bounds. other Width
Second Function	System. DateTime. Second attribute
SendKeys statement	System. Windows. Forms. SendKeys. Send ("^ C ")
SetAttr	System. IO. File. SetAttributes
Sgn Function	System. Math. Sign Function
Shell	Microsoft. VisualBasic. Shell
Sin Function	System. Math. Sin Function
Space Function	Microsoft. VisualBasic. Strings. Space Function
Sqr Functions	System. Math. Sqrt Function
StrComp Function	Microsoft. VisualBasic. Strings. StrComp Function
StrConv Function	Microsoft. VisualBasic. Strings. StrConv Function
String $ (256, Chr (0 ))	Buf = New String (CChar (""), 256) Microsoft. VisualBasic. Strings. StrDup Function
StrReverse Function	Microsoft. VisualBasic. Strings. StrReverse Function
Tan Function	System. Math. Tan Method
TextHeight attributes	System. Drawing. Font. Height attribute
TextWidth attributes	System. Drawing. Graphics. MeasureString Method
Time $ Function	Microsoft. VisualBasic. DateAndTime. Timer attribute System. DateTime. Now. TimeOfDay
TimeValue Function	System. DateTime. Parse method CDate Function
Top attributes	Control. Location Property
Trim $ Function	Microsoft. VisualBasic. Strings. Trim function System. String. Trim
Type statement	Structure statement
UCase $ Function	String. ToUpper method: Microsoft. VisualBasic. Strings. UCase Function
Unlock statement	Microsoft. VisualBasic. FileSystem. Unlock Function
Unload event	Closed event Me. Close ()
Variant Type	Change Dim x As Variant to Dim x As Object
VarPtr, StrPtr, ObjPtr	Dim MyGCHandle As GCHandle = GCHandle. Alloc (o, GCHandleType. Pinned) Dim Address As Integer = CInt (MyGCHandle. AddrOfPinnedObject () MyGCHandle. Free () 'allows the object instance to move.
VbCrLf	Microsoft. VisualBasic. Constants. vbCrLf Microsoft. VisualBasic. vbCrLf
Weekday	Microsoft. VisualBasic. Weekday System. DateTime. DayOfWeek
WeekdayName	Microsoft. VisualBasic. WeekdayName (the System. DateTime constructor does not have the same project)
Width attribute	Control. Size attribute
Write # statement	Microsoft. VisualBasic. FileSystem. Write function
Year Function	System. DateTime. Year attribute