變量定義

'int
Dim 變量名 As Int32 = 0
'string
Dim 變量名 As String = ""
'bool
Dim 變量名 As Boolean = False
'枚舉
Dim 變量名 As 枚舉名
'數(shù)組
Dim array(256) As String
'自定義指針類
Dim 變量名 As 類名 = Nothing

函數(shù)定義

Function 函數(shù)名(ByRef 參數(shù)名 As 參數(shù)類型,同前逗號分隔可添加多個變量) As Int32 '好像是返回值'dosomething    
End Function

控制臺輸入輸出

Console.WriteLine("輸入內(nèi)容")
Console.Write("輸入內(nèi)容")
Console.WriteLine("Write Path:")
Dim path As String = ""
path = Console.ReadLine()
Console.WriteLine("Path is {0}:",path)
Dim key As Char = Console.ReadKey().KeyChar
Dim Idx As UInt32 = (Convert.ToUInt32(key) - Convert.ToUInt32(Chr(&H30)))

switch case語句

 Select Case IdxCase 1Console.WriteLine("1")Case 2Console.WriteLine("2")Case 3Console.WriteLine("3")Case ElseConsole.WriteLine("Case Else")End Select

IF語句

Dim rtn As Int32 = 0
If rtn = 0 ThenConsole.WriteLine("rtn = 0 ")
ElseConsole.WriteLine("rtn != 0")
End If

FOR循環(huán)語句

Dim i As Int32 = 0
For i = 0 To 10Console.WriteLine("i:{0}", i)i=i+1
Next

不等于

' 不等于 <> 等于=
If a <> b Then
'dosomething
End If

邏輯運(yùn)算符

' 按優(yōu)先級 非（Not）>與（And）>或（Or）>異或（Xor）