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Editorial Team
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Asked: 2026-06-07T21:52:12+00:00

Background: In a Picturebox, Bitmap images can be drawn on screen by assigning a

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Background: In a Picturebox, Bitmap images can be drawn on screen by assigning a Bitmap object to Picturebox’s Image property.

Question: What’s the drawing method (GDI+?) used by Picturebox to paint bitmap image on screen?

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1 Answer

  1. Editorial Team

    If by PictureBox you mean System.Windows.Forms.PictureBox, it paints with GDI+ as GDI+ is the rendering technology used by all of Windows Forms (WinForms). The GDI+ “wrapper” for WinForms comes from System.Drawing.

    Windows Presentation Foundation (WPF) on the other hand, uses DirectX to “paint”. WPF does not have a PictureBox control.

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