// Initialize the WriteableBitmap with size 512x512 and set it as source of an Image control
WriteableBitmap writeableBmp = new WriteableBitmap(512, 512);
ImageControl.Source = writeableBmp;

// Load an image from the calling Assembly's resources only by passing the relative path
writeableBmp = new WriteableBitmap(0, 0).FromResource("Data/flower2.png");

// Clear the WriteableBitmap with white color
writeableBmp.Clear(Colors.White);

// Set the pixel at P(10, 13) to black
writeableBmp.SetPixel(10, 13, Colors.Black);

// Get the color of the pixel at P(30, 43)
Color color = writeableBmp.GetPixel(30, 43);

// Green line from P1(1, 2) to P2(30, 40)
writeableBmp.DrawLine(1, 2, 30, 40, Colors.Green);

// Line from P1(1, 2) to P2(30, 40) using the fastest draw line method with the color as integer
int[] pixels = writeableBmp.Pixels;
int w = writeableBmp.PixelWidth;
int h = writeableBmp.PixelHeight;
WriteableBitmapExtensions.DrawLine(pixels, w, h, 1, 2, 30, 40, myIntColor);

// Black triangle with the points P1(10, 5), P2(20, 40) and P3(30, 10)
writeableBmp.DrawTriangle(10, 5, 20, 40, 30, 10, Colors.Black);

// Red rectangle from the point P1(2, 4) that is 10px wide and 6px high
writeableBmp.DrawRectangle(2, 4, 12, 10, Colors.Red);

// Filled blue ellipse with the center point P1(2, 2) that is 8px wide and 5px high
writeableBmp.FillEllipseCentered(2, 2, 8, 5, Colors.Blue);

// Closed green polyline with P1(10, 5), P2(20, 40), P3(30, 30) and P4(7, 8)
int[] p = new int[] { 10, 5, 20, 40, 30, 30, 7, 8, 10, 5 };
writeableBmp.DrawPolyline(p, Colors.Green);

// Cubic Beziér curve from P1(5, 5) to P4(20, 7) with the control points P2(10, 15) and P3(15, 0)
writeableBmp.DrawBezier(5, 5, 10, 15, 15, 0, 20, 7,  Colors.Purple);

// Cardinal spline through the points P1(10, 5), P2(20, 40) and P3(30, 30) with a tension of 0.5
int[] pts = new int[] { 10, 5, 20, 40, 30, 30};
writeableBmp.DrawCurve(pts, 0.5,  Colors.Yellow);

// A filled Cardinal spline through the points P1(10, 5), P2(20, 40) and P3(30, 30) with a tension of 0.5
writeableBmp.FillCurveClosed(pts, 0.5,  Colors.Green);

// Blit a bitmap using the additive blend mode at P1(10, 10)
writeableBmp.Blit(new Point(10, 10), bitmap, sourceRect, Colors.White, WriteableBitmapExtensions.BlendMode.Additive);

// Override all pixels with a function that changes the color based on the coordinate
writeableBmp.ForEach((x, y, color) => Color.FromArgb(color.A, (byte)(color.R / 2), (byte)(x * y), 100));

// Present the WriteableBitmap!
writeableBmp.Invalidate();

// Take snapshot
var clone = writeableBmp.Clone();

// Save to a TGA image stream (file for example)
writeableBmp.WriteTga(stream);

// Crops the WriteableBitmap to a region starting at P1(5, 8) and 10px wide and 10px high
var cropped = writeableBmp.Crop(5, 8, 10, 10);

// Resizes the WriteableBitmap to 200px wide and 300px high using a bilinear interpolation method
var resized = writeableBmp.Resize(200, 300, WriteableBitmapExtensions.Interpolation.Bilinear);