VB复制 ' Default to Integer.PublicConstDefaultIntegerAsInteger=100' Default to Double.PublicConstDefaultDoubleAsDouble=54.3345612' Force constant to be type Char.PublicConstMyCharacterAsChar="a"c' DateTime constants.PublicConstMyDateAsDateTime =#1/15/2001#PublicConstMyTimeAsDateTime =#1:15:59 AM#'...
下表显示 Visual Basic 中可用的封闭字符和类型字符。 展开表 数据类型 封闭字符 追加的类型字符 Boolean (无) (无) Byte (无) (无) Char " C Date # (无) Decimal (无) D或 @ Double (无) R或 # Integer (无) I或 % Long (无) L或 & Short (无) S Single (无) F或 ! String " (...
Literal(String, UInt32) 从文本和相应的 4 字节无符号整数值创建类型 IntegerLiteralToken 的令牌。 C# 复制 public static Microsoft.CodeAnalysis.SyntaxToken Literal (string text, uint value); 参数 text String 文本的原始文本。 value UInt32 要由返回的标记表示的 4 字节无符号整数值。 返回 Syntax...
Visual Basic 函数设计用于优化与 Visual Basic 代码之间的交互,并且这些函数使源代码更简短、更易阅读。 另外,.NET Framework 转换方法产生的结果不一定与 Visual Basic 函数产生的结果相同,例如当将 Boolean 转换为 Integer 的时候。 有关更多信息,请参见 数据类型疑难解答 (Visual Basic)。
Numeric, no fractional part, too large for Integer Long 2147483648 Numeric, fractional part Double 1.2 Enclosed in double quotation marks String "A" Enclosed within number signs Date #5/17/1993 9:32 AM# Forced literal types Visual Basic supplies a set of literal type characters, which you can...
A numeric integer literal is cast by default to the Integer data type. The default data type for floating-point numbers is Double, and the keywords True and False specify a Boolean constant. Literals and Type Coercion In some cases, you might want to force a literal to a particular data ...
For more information, see the "Literal assignments" section of the Byte, Integer, Long, Short, SByte, UInteger, ULong, and UShort data types. Support for C# reference return values C# supports reference return values. That is, when the calling method receives a value returned by reference, it...
在Visual Basic .NET 中,某些数据类型(如Variant、Integer、Long、Currency以及其他类型)已经更改或过时。例如,VBA 中的Integer等效于 Visual Basic .NET 中的Short。另外,VBA 中的Long等效于 Visual Basic .NET 中的Integer。 固定长度字符串 由于更改后允许 Visual Basic .NET 数组和结构(先前称为用户定义类型)完...
Dim RecordCount, CurrentRecord as integer RecordCount = Data1.Recordset.RecordCount CurrentRecord = Data1.Recordset.Absolute Position + 1 If Data1.Recordset.eof then Data1.Caption = “EOF” else Data1.Caption = ” Record ” & CurrentRecord & ” of ” & RecordCount ...
We cannot assign a value to a literal. Arithmetic operatorsThe following is a table of arithmetic operators in Visual Basic. SymbolName + Addition - Subtraction * Multiplication / Division \ Integer Division Mod Modulo ^ ExponentiationThe following example shows arithmetic operations. ...