1. Зургийн өнгийг өөрчлөх
Form-д 2 PictureBox, 1 Button оруул.
PictureBox1 – д зураг оруул.
Button1 – д дараах кодыг оруул.
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs)
Handles Button1.Click
Dim pic As New Bitmap(PictureBox1.Image)
For y As Integer = 0 To pic.Height - 1
For x As Integer = 0 To pic.Width - 1
Dim inv As Color = pic.GetPixel(x, y)
inv = Color.FromArgb(255, 255 - inv.R, 255 - inv.G, 255 - inv.B)
pic.SetPixel(x, y, inv)
PictureBox2.Image = pic
Next x
Next y
End Sub