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This article is to share with you what the VB.NET function has. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

Summary of VB.NET function:

Int (x): find a * integer not greater than the independent variable x

Fix (x): removes the fractional part of a floating point number and retains its integer part

Hex$ (x): converts a decimal number to a hexadecimal number

Oct$ (x): converts a decimal number to octal

Asc (x$): returns the ASCII character of * characters in the string x$

CHR$ (x): converts the value of x to the corresponding ASCII character

Str$ (x): converts the value of x to a string

Cint (x): rounds the fractional portion of x to an integer

Ccur (x): converts the value of x to a currency type value, retains up to 4 decimal places and is automatically rounded

CDbl (x): convert x value to double precision number

CLng (x): converts the fractional portion of x rounded to a long integer

CSng (x): convert x value to single precision number

Cvar (x): convert x values to variant type values

VarPtr (var): gets the pointer to the variable var

Sin (x): returns the sine of the argument x

Cos (x): returns the cosine of the argument x

Tan (x): returns the tangent of the argument x

Atn (x): returns the arc tangent of the argument x

Abs (x): returns the absolute value of the argument x

Sgn (x): returns the symbol of the independent variable x, that is,-1 when x is negative, 0 when x is 0, and 1 when x is positive

Sqr (x): returns the square root of the argument x, which must be greater than or equal to 0

Exp (x): returns the value with e as the base and x as the exponent, that is, to find the x power of e

Day (Now): returns the current date

WeekDay (Now): returns the current week

Month (Now): returns the current month

Year (Now): returns the current year

Hour (Now): returns the hour (0,23)

Minute (Now): returns the score (0,59)

Second (Now): returns seconds (0,59)

Rnd [(x)]: generate a single precision random number between 0 and 1

Randmize [(x)]: the function is the same as above, but better

String function

1. LTrim$ (string): remove the white space character on the left side of the string

2. Rtrim$ (string): remove the white space character on the right side of the string

3. Left$ (string, n): take n characters from the left part of the string

4. Right$ (string, n): take n characters from the right part of the string

5. Mid$ (string, pforce n): take n characters of the string starting from position p

6. Len (string): test the length of the string

7. String$ (n, string): returns a string of n characters

Space$ (n): returns n spaces

InStr (string 1, string 2): find string 2 in string 1

Ucase$ (string): converts lowercase letters to uppercase letters

Lcase$ (string): converts uppercase letters to lowercase letters

Print (string): when the form outputs a string, you can concatenate the variable with "&" and then output it.

Tab (n): move the cursor to the position where n begins on the line

Spc (n): skip n spaces

Cls: clears the display in the current window

Move upper left corner x, upper left corner y, width, height: mobile form or control

InputBox (prompt, …) Jump out of a data input window, and the return value is the input value of the window

MsgBox (msg, [type] …) A prompt window pops up

Open file name [For mode] [Access access type] [lock] AS [#] file number [Len= record length]

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