# Decimal.Equals 方法 (Decimal, Decimal)

2013/12/13

Namespace:  System

## 语法

```public static bool Equals(
decimal d1,
decimal d2
)
```

d1

d2

## 示例

```
// Example of the decimal.Compare and static decimal.Equals methods.
using System;

class Example
{
const string dataFmt = "{0,-45}{1}";

// Compare decimal parameters, and display them with the results.
public static void CompareDecimals(System.Windows.Controls.TextBlock outputBlock, decimal Left, decimal Right,
string RightText)
{
outputBlock.Text += "\n";
outputBlock.Text += String.Format(dataFmt, "Right: " + RightText, Right) + "\n";
outputBlock.Text += String.Format(dataFmt, "decimal.Equals( Left, Right )",
Decimal.Equals(Left, Right)) + "\n";
outputBlock.Text += String.Format(dataFmt, "decimal.Compare( Left, Right )",
Decimal.Compare(Left, Right)) + "\n";
}

public static void Demo(System.Windows.Controls.TextBlock outputBlock)
{
outputBlock.Text += "This example of the " +
"decimal.Equals( decimal, decimal ) and \n" +
"decimal.Compare( decimal, decimal ) methods " +
"generates the \nfollowing output. It creates several " +
"different decimal \nvalues and compares them with " +
"the following reference value.\n" + "\n";

// Create a reference decimal value.
decimal Left = new decimal(123.456);

outputBlock.Text += String.Format(dataFmt, "Left: decimal( 123.456 )",
Left) + "\n";

// Create decimal values to compare with the reference.
CompareDecimals(outputBlock, Left, new decimal(1.2345600E+2),
"decimal( 1.2345600E+2 )");
CompareDecimals(outputBlock, Left, 123.4561M, "123.4561M");
CompareDecimals(outputBlock, Left, 123.4559M, "123.4559M");
CompareDecimals(outputBlock, Left, 123.456000M, "123.456000M");
CompareDecimals(outputBlock, Left,
new decimal(123456000, 0, 0, false, 6),
"decimal( 123456000, 0, 0, false, 6 )");
}
}

/*
This example of the decimal.Equals( decimal, decimal ) and
decimal.Compare( decimal, decimal ) methods generates the
following output. It creates several different decimal
values and compares them with the following reference value.

Left: decimal( 123.456 )                     123.456

Right: decimal( 1.2345600E+2 )               123.456
decimal.Equals( Left, Right )                True
decimal.Compare( Left, Right )               0

Right: 123.4561M                             123.4561
decimal.Equals( Left, Right )                False
decimal.Compare( Left, Right )               -1

Right: 123.4559M                             123.4559
decimal.Equals( Left, Right )                False
decimal.Compare( Left, Right )               1

Right: 123.456000M                           123.456000
decimal.Equals( Left, Right )                True
decimal.Compare( Left, Right )               0

Right: decimal( 123456000, 0, 0, false, 6 )  123.456000
decimal.Equals( Left, Right )                True
decimal.Compare( Left, Right )               0
*/

```

Windows Phone