Transparency of picture box

Question

Im just looking for an answer in my simple problem. Here it is

I have a pricturebox that has image with transparent background i Set the picturebox

Answer 1

Drawing the image using a graphics object is the recommended procedure if you're going to use it as a cursor. But if you sometime want to use a PictureBox (for reasons like being able to quickly change image using it's Image property, etc), that is possible too.

This code will draw a better "transparent" background, by drawing each control behind your PictureBox on it's background.

How to use:

1) Create a custom class.

2) Put Inherits PictureBox below the Public Class ... line.

3) Paste this code inside the class:

Protected Overrides Sub OnPaintBackground(e As System.Windows.Forms.PaintEventArgs)
    MyBase.OnPaintBackground(e)

    If Parent IsNot Nothing Then
        Dim index As Integer = Parent.Controls.GetChildIndex(Me)

        For i As Integer = Parent.Controls.Count - 1 To index + 1 Step -1
            Dim c As Control = Parent.Controls(i)
            If c.Bounds.IntersectsWith(Bounds) AndAlso c.Visible = True Then
                Dim bmp As New Bitmap(c.Width, c.Height, e.Graphics)
                c.DrawToBitmap(bmp, c.ClientRectangle)
                e.Graphics.TranslateTransform(c.Left - Left, c.Top - Top)
                e.Graphics.DrawImageUnscaled(bmp, Point.Empty)
                e.Graphics.TranslateTransform(Left - c.Left, Top - c.Top)
                bmp.Dispose()
            End If
        Next
    End If
End Sub

4) Build your project.

5) Select your class from the toolbox and add it to your form/usercontrol.