TimeSpan.LessThanOrEqual Operator
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Namespace: System
Assembly: mscorlib (in mscorlib.dll)
Syntax
'Declaration
Public Shared Operator <= ( _
t1 As TimeSpan, _
t2 As TimeSpan _
) As Boolean
public static bool operator <=(
TimeSpan t1,
TimeSpan t2
)
Parameters
- t1
Type: System.TimeSpan
The first time interval to compare.
- t2
Type: System.TimeSpan
The second time interval to compare.
Return Value
Type: System.Boolean
true if the value of t1 is less than or equal to the value of t2; otherwise, false.
Examples
The following code example compares several TimeSpan objects to a reference TimeSpan using the LessThanOrEqual operator.
' Example of the TimeSpan relational operators.
Module Example
Const dataFmt As String = "{0,-47}{1}"
' Compare TimeSpan parameters, and display them with the results.
Sub CompareTimeSpans(ByVal outputBlock As System.Windows.Controls.TextBlock, ByVal Left As TimeSpan, ByVal Right As TimeSpan, _
ByVal RightText As String)
outputBlock.Text &= vbCrLf
outputBlock.Text += String.Format(dataFmt, "Right: " & RightText, Right) & vbCrLf
outputBlock.Text += String.Format(dataFmt, _
"TimeSpan.op_Equality( Left, Right )", _
TimeSpan.op_Equality(Left, Right)) & vbCrLf
outputBlock.Text += String.Format(dataFmt, _
"TimeSpan.op_GreaterThan( Left, Right )", _
TimeSpan.op_GreaterThan(Left, Right)) & vbCrLf
outputBlock.Text += String.Format(dataFmt, _
"TimeSpan.op_GreaterThanOrEqual( Left, Right )", _
TimeSpan.op_GreaterThanOrEqual(Left, Right)) & vbCrLf
outputBlock.Text += String.Format(dataFmt, _
"TimeSpan.op_Inequality( Left, Right )", _
TimeSpan.op_Inequality(Left, Right)) & vbCrLf
outputBlock.Text += String.Format(dataFmt, _
"TimeSpan.op_LessThan( Left, Right )", _
TimeSpan.op_LessThan(Left, Right)) & vbCrLf
outputBlock.Text += String.Format(dataFmt, _
"TimeSpan.op_LessThanOrEqual( Left, Right )", _
TimeSpan.op_LessThanOrEqual(Left, Right)) & vbCrLf
End Sub
Public Sub Demo(ByVal outputBlock As System.Windows.Controls.TextBlock)
Dim Left As New TimeSpan(2, 0, 0)
outputBlock.Text += _
"This example of the TimeSpan relational operators " & _
"generates " & vbCrLf & "the following output. It " & _
"creates several different TimeSpan " & vbCrLf & _
"objects and compares them with a 2-hour " & _
"TimeSpan." & vbCrLf & vbCrLf
outputBlock.Text += String.Format(dataFmt, "Left: TimeSpan( 2, 0, 0 )", Left) & vbCrLf
' Create objects to compare with a 2-hour TimeSpan.
CompareTimeSpans(outputBlock, Left, New TimeSpan(0, 120, 0), _
"TimeSpan( 0, 120, 0 )")
CompareTimeSpans(outputBlock, Left, New TimeSpan(2, 0, 1), _
"TimeSpan( 2, 0, 1 )")
CompareTimeSpans(outputBlock, Left, New TimeSpan(2, 0, -1), _
"TimeSpan( 2, 0, -1 )")
CompareTimeSpans(outputBlock, Left, TimeSpan.FromDays(1.0 / 12.0), _
"TimeSpan.FromDays( 1 / 12 )")
End Sub
End Module
' This example of the TimeSpan relational operators generates
' the following output. It creates several different TimeSpan
' objects and compares them with a 2-hour TimeSpan.
'
' Left: TimeSpan( 2, 0, 0 ) 02:00:00
'
' Right: TimeSpan( 0, 120, 0 ) 02:00:00
' TimeSpan.op_Equality( Left, Right ) True
' TimeSpan.op_GreaterThan( Left, Right ) False
' TimeSpan.op_GreaterThanOrEqual( Left, Right ) True
' TimeSpan.op_Inequality( Left, Right ) False
' TimeSpan.op_LessThan( Left, Right ) False
' TimeSpan.op_LessThanOrEqual( Left, Right ) True
'
' Right: TimeSpan( 2, 0, 1 ) 02:00:01
' TimeSpan.op_Equality( Left, Right ) False
' TimeSpan.op_GreaterThan( Left, Right ) False
' TimeSpan.op_GreaterThanOrEqual( Left, Right ) False
' TimeSpan.op_Inequality( Left, Right ) True
' TimeSpan.op_LessThan( Left, Right ) True
' TimeSpan.op_LessThanOrEqual( Left, Right ) True
'
' Right: TimeSpan( 2, 0, -1 ) 01:59:59
' TimeSpan.op_Equality( Left, Right ) False
' TimeSpan.op_GreaterThan( Left, Right ) True
' TimeSpan.op_GreaterThanOrEqual( Left, Right ) True
' TimeSpan.op_Inequality( Left, Right ) True
' TimeSpan.op_LessThan( Left, Right ) False
' TimeSpan.op_LessThanOrEqual( Left, Right ) False
'
' Right: TimeSpan.FromDays( 1 / 12 ) 02:00:00
' TimeSpan.op_Equality( Left, Right ) True
' TimeSpan.op_GreaterThan( Left, Right ) False
' TimeSpan.op_GreaterThanOrEqual( Left, Right ) True
' TimeSpan.op_Inequality( Left, Right ) False
' TimeSpan.op_LessThan( Left, Right ) False
' TimeSpan.op_LessThanOrEqual( Left, Right ) True
// Example of the TimeSpan relational operators.
using System;
class Example
{
const string dataFmt = "{0,34} {1}";
// Compare TimeSpan parameters, and display them with the results.
static void CompareTimeSpans(System.Windows.Controls.TextBlock outputBlock, TimeSpan Left, TimeSpan Right,
string RightText)
{
outputBlock.Text += "\n";
outputBlock.Text += String.Format(dataFmt, "Right: " + RightText, Right) + "\n";
outputBlock.Text += String.Format(dataFmt, "Left == Right", Left == Right) + "\n";
outputBlock.Text += String.Format(dataFmt, "Left > Right", Left > Right) + "\n";
outputBlock.Text += String.Format(dataFmt, "Left >= Right", Left >= Right) + "\n";
outputBlock.Text += String.Format(dataFmt, "Left != Right", Left != Right) + "\n";
outputBlock.Text += String.Format(dataFmt, "Left < Right", Left < Right) + "\n";
outputBlock.Text += String.Format(dataFmt, "Left <= Right", Left <= Right) + "\n";
}
public static void Demo(System.Windows.Controls.TextBlock outputBlock)
{
TimeSpan Left = new TimeSpan(2, 0, 0);
outputBlock.Text +=
"This example of the TimeSpan relational operators " +
"generates \nthe following output. It creates several " +
"different TimeSpan \nobjects and compares them with " +
"a 2-hour TimeSpan.\n\n";
outputBlock.Text += String.Format(dataFmt,
"Left: TimeSpan( 2, 0, 0 )", Left) + "\n";
// Create objects to compare with a 2-hour TimeSpan.
CompareTimeSpans(outputBlock, Left, new TimeSpan(0, 120, 0),
"TimeSpan( 0, 120, 0 )");
CompareTimeSpans(outputBlock, Left, new TimeSpan(2, 0, 1),
"TimeSpan( 2, 0, 1 )");
CompareTimeSpans(outputBlock, Left, new TimeSpan(2, 0, -1),
"TimeSpan( 2, 0, -1 )");
CompareTimeSpans(outputBlock, Left, TimeSpan.FromDays(1.0 / 12D),
"TimeSpan.FromDays( 1 / 12 )");
}
}
/*
This example of the TimeSpan relational operators generates
the following output. It creates several different TimeSpan
objects and compares them with a 2-hour TimeSpan.
Left: TimeSpan( 2, 0, 0 ) 02:00:00
Right: TimeSpan( 0, 120, 0 ) 02:00:00
Left == Right True
Left > Right False
Left >= Right True
Left != Right False
Left < Right False
Left <= Right True
Right: TimeSpan( 2, 0, 1 ) 02:00:01
Left == Right False
Left > Right False
Left >= Right False
Left != Right True
Left < Right True
Left <= Right True
Right: TimeSpan( 2, 0, -1 ) 01:59:59
Left == Right False
Left > Right True
Left >= Right True
Left != Right True
Left < Right False
Left <= Right False
Right: TimeSpan.FromDays( 1 / 12 ) 02:00:00
Left == Right True
Left > Right False
Left >= Right True
Left != Right False
Left < Right False
Left <= Right True
*/
Version Information
Silverlight
Supported in: 5, 4, 3
Silverlight for Windows Phone
Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0
XNA Framework
Supported in: Xbox 360, Windows Phone OS 7.0
Platforms
For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.