C# - Copy image to clipboard with transparent background

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Hi,

I have an image and I know it path. This image has a transparent background.
I want to display it in a pictureBox and copy it to the clipboard.

My code is :

String path = ...;
Bitmap myImage = new Bitmap(path);
pictureBox1.Image = myImage;
Clipboard.SetDataObject(myImage);

But, when I paste the image, the background color is "control" , the same color as my window.

How to change it and have a transparent background, as the first image ?

Kind regard,

jérôme

Posted 22-Aug-10 9:16am

canard29

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Christian Graus · Answer 1 · 2010-08-22T15:43:00

Solution 1

An image has no transparency, that's defined by some file formats.

Posted 22-Aug-10 15:43pm

Christian Graus

Dragonfly_Lee · Answer 2 · 2010-08-22T18:52:00

Solution 2

A quick solution would be:

MIDL

Bitmap b = new Bitmap(this.textBox1.Text);
b.MakeTransparent(this.BackColor);
pictureBox1.Image = b;
Clipboard.SetDataObject(b);

Posted 22-Aug-10 18:52pm

Dragonfly_Lee