StringBuilder.AppendFormat Method (String, array<Object[])

Parameters

• format
  Type: System.String
  A composite format string (see Remarks).

• args
  Type: array<System.Object[]
  An array of objects to format.

Return Value

Type: System.Text.StringBuilder
A reference to this instance with format appended. Each format item in format is replaced by the string representation of the corresponding object argument.

Imports System.Text
Imports System.Globalization

Class Example
   Private Shared sb As New StringBuilder()

   Public Shared Sub Demo(ByVal outputBlock As System.Windows.Controls.TextBlock)
      Dim var1 As Integer = 111
      Dim var2 As Single = 2.22F
      Dim var3 As String = "abcd"
      Dim var4 As Object() = {3, 4.4, "X"c}

      outputBlock.Text &= vbCrLf
      outputBlock.Text &= "StringBuilder.AppendFormat method:" & vbCrLf
      sb.AppendFormat("1) {0}", var1)
      Show(outputBlock, sb)
      sb.AppendFormat("2) {0}, {1}", var1, var2)
      Show(outputBlock, sb)
      sb.AppendFormat("3) {0}, {1}, {2}", var1, var2, var3)
      Show(outputBlock, sb)
      sb.AppendFormat("4) {0}, {1}, {2}", var4)
      Show(outputBlock, sb)
      Dim ci As New CultureInfo("es-ES")
      sb.AppendFormat(ci, "5) {0}", var2)
      Show(outputBlock, sb)
   End Sub 'Main

   Public Shared Sub Show(ByVal outputBlock As System.Windows.Controls.TextBlock, ByVal sbs As StringBuilder)
      outputBlock.Text &= sbs.ToString() & vbCrLf
      sb.Length = 0
   End Sub 'Show
End Class 'Sample
'
'This example produces the following results:
'
'StringBuilder.AppendFormat method:
'1) 111
'2) 111, 2.22
'3) 111, 2.22, abcd
'4) 3, 4.4, X
'5) 2,22

using System;
using System.Text;
using System.Globalization;

class Example
{
   static StringBuilder sb = new StringBuilder();

   public static void Demo(System.Windows.Controls.TextBlock outputBlock)
   {
      int var1 = 111;
      float var2 = 2.22F;
      string var3 = "abcd";
      object[] var4 = { 3, 4.4, 'X' };

      outputBlock.Text += "\n";
      outputBlock.Text += "StringBuilder.AppendFormat method:" + "\n";
      sb.AppendFormat("1) {0}", var1);
      Show(outputBlock, sb);
      sb.AppendFormat("2) {0}, {1}", var1, var2);
      Show(outputBlock, sb);
      sb.AppendFormat("3) {0}, {1}, {2}", var1, var2, var3);
      Show(outputBlock, sb);
      sb.AppendFormat("4) {0}, {1}, {2}", var4);
      Show(outputBlock, sb);
      CultureInfo ci = new CultureInfo("es-ES");
      sb.AppendFormat(ci, "5) {0}", var2);
      Show(outputBlock, sb);
   }

   public static void Show(System.Windows.Controls.TextBlock outputBlock, StringBuilder sbs)
   {
      outputBlock.Text += sbs.ToString() + "\n";
      sb.Length = 0;
   }
}
/*
This example produces the following results:

StringBuilder.AppendFormat method:
1) 111
2) 111, 2.22
3) 111, 2.22, abcd
4) 3, 4.4, X
5) 2,22
*/