# CellArea
```csharp
public readonly struct CellArea
```
Namespace `SharpCell.Grid` ยท package `SharpCell.Grid`
A rectangle of cells, from its top-left to its bottom-right cell; rows and columns from 1.
## Constructors
### CellArea(int, int, int, int)
```csharp
public CellArea(int FirstRow, int FirstColumn, int LastRow, int LastColumn)
```
A rectangle of cells, from its top-left to its bottom-right cell; rows and columns from 1.
**Parameters**
- `FirstRow`: The top row.
- `FirstColumn`: The left column.
- `LastRow`: The bottom row.
- `LastColumn`: The right column.
## Properties
### FirstColumn
```csharp
public int FirstColumn { get; init; }
```
The left column.
### FirstRow
```csharp
public int FirstRow { get; init; }
```
The top row.
### LastColumn
```csharp
public int LastColumn { get; init; }
```
The right column.
### LastRow
```csharp
public int LastRow { get; init; }
```
The bottom row.
## Methods
### Contains(int, int)
```csharp
public bool Contains(int row, int column)
```
Whether the cell is inside the area.