Bitmap.SetPixel Method (Int32, Int32, Color)
.NET Framework (current version)
Sets the color of the specified pixel in this Bitmap.
Assembly: System.Drawing (in System.Drawing.dll)
Parameters
- x
-
Type:
System.Int32
The x-coordinate of the pixel to set.
- y
-
Type:
System.Int32
The y-coordinate of the pixel to set.
- color
-
Type:
System.Drawing.Color
A Color structure that represents the color to assign to the specified pixel.
| Exception | Condition |
|---|---|
| Exception | The operation failed. |
The following code example is designed for use with Windows Forms, and it requires PaintEventArgse, which is a parameter of the Paint event handler. The code performs the following actions:
Creates a Bitmap.
Sets the color of each pixel in the bitmap to black.
Draws the bitmap.
private void SetPixel_Example(PaintEventArgs e) { // Create a Bitmap object from a file. Bitmap myBitmap = new Bitmap("Grapes.jpg"); // Draw myBitmap to the screen. e.Graphics.DrawImage(myBitmap, 0, 0, myBitmap.Width, myBitmap.Height); // Set each pixel in myBitmap to black. for (int Xcount = 0; Xcount < myBitmap.Width; Xcount++) { for (int Ycount = 0; Ycount < myBitmap.Height; Ycount++) { myBitmap.SetPixel(Xcount, Ycount, Color.Black); } } // Draw myBitmap to the screen again. e.Graphics.DrawImage(myBitmap, myBitmap.Width, 0, myBitmap.Width, myBitmap.Height); }
.NET Framework
Available since 1.1
Available since 1.1
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