Environment: .NET Beta 2
This article tells you how to make a bitmap of a picturebox with transparent background
If you search for a transparent method in the picturebox clas, you will see that the method do not exist. So there must be another way to make the background of a bitmap transparent. Have a look in the bitmap class and you will find a transparent method “MakeTransparent”. You must first convert your image to a bitmap and then select the background (transparent) color. After that, make the background color transparent and finally convert it back to the image of the control.
Example code:
1) Convert your image to a bitmap
Bitmap Logo = new Bitmap(CompanyLogo.Image);
2) select the background color (here the left top pixel) and make it transparent
Logo.MakeTransparent(Logo.GetPixel(1, 1));
3) Finally convert it back to the image
CompanyLogo.Image = (Image) Logo;
That’s all