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# Red Function

Returns the Red component of the specified composite color code.

## Cú pháp:

    Red (ColorNumber As Long)

## GIá trị trả về:

Số nguyên

## Tham số :

ColorNumber: Long integer expression that specifies any composite color code for which to return the Red component.

### Error codes:

5 Sai gọi thủ tục

The color picker dialog details the red, green and blue components of a composite color code, as well as its hexadecimal expression. Changing the color of text and selecting Custom color displays the color picker dialog.

## Thí dụ :

    Sub ExampleColor
    Dim lVar As Long
        lVar = rgb(128,0,200)
        MsgBox "The color " & lVar & " consists of:" & Chr(13) &_
            "red= " & red(lVar) & Chr(13)&_
            "green= " & green(lVar) & Chr(13)&_
            "blue= " & blue(lVar) & Chr(13) , 64,"colors"
    End Sub