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.NET Forum / Windows Forms / Drawing / September 2003Drawing a picturebox pixel by pixel fast
I have an array with values and for every value I assign a color that I want to paint in a picture box. The array si 1024x1024 or larger so I need a fast routine to do the job... sure, the picturebox may be smaller than the whole bitmap Can somone give me a hint? Crirus Hi, > I have an array with values and for every value I assign a color that I want > to paint in a picture box. > The array si 1024x1024 or larger so I need a fast routine to do the job... > sure, the picturebox may be smaller than the whole bitmap > > Can somone give me a hint? Create a new Bitmap, LockBits() to get a pointer to the bits, and set the image bits manually. Then UnlockBits() and set the picture box's Image to the new Bitmap. Thanks, - John Microsoft Developer Support This posting is provided "AS IS" with no warranties, and confers no rights. Visit http://www.microsoft.com/security for current information on security. In VB i need that > Hi, > [quoted text clipped - 15 lines] > This posting is provided "AS IS" with no warranties, and confers no rights. > Visit http://www.microsoft.com/security for current information on security. Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
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