本文整理汇总了VB.NET中System.Text.StringBuilder.EnsureCapacity方法的典型用法代码示例。如果您正苦于以下问题：VB.NET StringBuilder.EnsureCapacity方法的具体用法？VB.NET StringBuilder.EnsureCapacity怎么用？VB.NET StringBuilder.EnsureCapacity使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Text.StringBuilder的用法示例。
在下文中一共展示了StringBuilder.EnsureCapacity方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的VB.NET代码示例。
示例1: Sample
' 导入命名空间
Imports System.Text
Class Sample
Public Shared Sub Main()
Dim sb1 As New StringBuilder("abc")
Dim sb2 As New StringBuilder("abc", 16)
Console.WriteLine()
Console.WriteLine("a1) sb1.Length = {0}, sb1.Capacity = {1}", sb1.Length, sb1.Capacity)
Console.WriteLine("a2) sb2.Length = {0}, sb2.Capacity = {1}", sb2.Length, sb2.Capacity)
Console.WriteLine("a3) sb1.ToString() = ""{0}"", sb2.ToString() = ""{1}""", _
sb1.ToString(), sb2.ToString())
Console.WriteLine("a4) sb1 equals sb2: {0}", sb1.Equals(sb2))
Console.WriteLine()
Console.WriteLine("Ensure sb1 has a capacity of at least 50 characters.")
sb1.EnsureCapacity(50)
Console.WriteLine()
Console.WriteLine("b1) sb1.Length = {0}, sb1.Capacity = {1}", sb1.Length, sb1.Capacity)
Console.WriteLine("b2) sb2.Length = {0}, sb2.Capacity = {1}", sb2.Length, sb2.Capacity)
Console.WriteLine("b3) sb1.ToString() = ""{0}"", sb2.ToString() = ""{1}""", _
sb1.ToString(), sb2.ToString())
Console.WriteLine("b4) sb1 equals sb2: {0}", sb1.Equals(sb2))
Console.WriteLine()
Console.WriteLine("Set the length of sb1 to zero.")
Console.WriteLine("Set the capacity of sb2 to 51 characters.")
sb1.Length = 0
sb2.Capacity = 51
Console.WriteLine()
Console.WriteLine("c1) sb1.Length = {0}, sb1.Capacity = {1}", sb1.Length, sb1.Capacity)
Console.WriteLine("c2) sb2.Length = {0}, sb2.Capacity = {1}", sb2.Length, sb2.Capacity)
Console.WriteLine("c3) sb1.ToString() = ""{0}"", sb2.ToString() = ""{1}""", _
sb1.ToString(), sb2.ToString())
Console.WriteLine("c4) sb1 equals sb2: {0}", sb1.Equals(sb2))
End Sub
End Class输出：
a1) sb1.Length = 3, sb1.Capacity = 16 a2) sb2.Length = 3, sb2.Capacity = 16 a3) sb1.ToString() = "abc", sb2.ToString() = "abc" a4) sb1 equals sb2: True Ensure sb1 has a capacity of at least 50 characters. b1) sb1.Length = 3, sb1.Capacity = 50 b2) sb2.Length = 3, sb2.Capacity = 16 b3) sb1.ToString() = "abc", sb2.ToString() = "abc" b4) sb1 equals sb2: False Set the length of sb1 to zero. Set the capacity of sb2 to 51 characters. c1) sb1.Length = 0, sb1.Capacity = 50 c2) sb2.Length = 3, sb2.Capacity = 51 c3) sb1.ToString() = "", sb2.ToString() = "abc" c4) sb1 equals sb2: False
示例2: MainClass
' 导入命名空间
Imports System
Imports System.Text
Public Class MainClass
Shared Sub Main()
Dim buffer As StringBuilder = _
New StringBuilder("Hello, how are you?")
Dim output As String = "buffer = " & buffer.ToString & _
vbCrLf & "Length = " & buffer.Length & vbCrLf & _
"Capacity = " & buffer.Capacity
buffer.EnsureCapacity(75)
Console.WriteLine("New capacity = " & _
buffer.Capacity)
buffer.Length = 10
Console.WriteLine("New Length = " & _
buffer.Length & vbCrLf & "buffer = ")
End Sub ' Main
End Class