[Amin_Mansouri]

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بله این امکان در وی بی 6 هست
یک سمپل :
The Point method returns the color value of a given pixel, but is rather slow because it has to convert its argument from twips (or whatever ScaleMode is currently active) to pixels, and also because its argument are treated as Single quantities, and must therefore converted. When you have to retrieve the color value of many pixels you should use the GetPixel API function instead. Here is its declaration:

کد:

Declare Function GetPixel Lib "gdi32" (ByVal hdc As Long, ByVal x As Long, _
    ByVal y As Long) As Long

The following code example counts the number of red pixels on the active form:

کد:

' assumes that form's ScaleMode
' is set to 3 - Pixels
Dim x As Long, y As Long
Dim h As Long, count As Long
' cache form's hDC property
h = Me.hdc
For y = 0 To ScaleHeight - 1
    For x = 0 To ScaleWidth - 1
        If GetPixel(h, x, y) = vbRed Then
            count = count + 1
        End If
    Next
Next

It is about three times faster than the equivalent code that uses the Point method. Note that we can have this speed increment also because we cache the hDC property into a variable.