Category Archives: wpf

Save and restore lines drawn by a WPF line editor in C#

Posted on January 10, 2019 by RodStephens

The example Make a WPF line editor C# shows how to make a program that lets the user draw lines on a WPF canvas. This example is similar but it also allows you to save and restore drawings. The WPF … Continue reading →

Posted in drawing, graphics, wpf | Tagged C#, C# programming, delete line segments, draw line segments, drawing, example, example program, graphics, line segments, MouseDown, MouseMove, MouseUp, move end points, move line segments, trash can icon, trash icon, trashcan icon, Windows Forms programming, WPF | Leave a comment

Graph points in WPF and C#

Posted on August 23, 2018 by RodStephens

This example extends the previous example Draw a graph in WPF and C# to draw ellipses marking the data sets’ points. See that example for an explanation of how most of the program works. The following code shows how the … Continue reading →

Posted in algorithms, drawing, geometry, graphics, mathematics, wpf | Tagged algorithms, C#, C# programming, draw graph, draw graph in WPF, drawing, example, example program, geometry, GeometryGroup, graph, graph points, graphics, LineGeometry, mathematics, Polyline, Windows Forms programming, WPF, XAML | 2 Comments

Display a progress bar with text in WPF and C#

Posted on July 12, 2018 by RodStephens

As is so often the case in WPF, the solution is simple after you spend a few hours figuring out what controls to use. This example uses a normal Grid control that holds a StackPanel. The following code shows the … Continue reading →

Posted in controls, user interface, wpf, XAML | Tagged C#, C# programming, controls, example, example program, progress, progress bar, ProgressBar, show progress, status, user interface, Windows Forms programming, WPF, XAML | 1 Comment

Save WriteableBitmap images in multiple formats in WPF and C#

Posted on May 30, 2018 by RodStephens

The post Easily save a WriteableBitmap in WPF and C# describes an extension method that makes it easy to save a WriteableBitmap object into a PNG file, but what if you want to save the image in some other format … Continue reading →

Posted in extension methods, graphics, image processing, wpf, XAML | Tagged C#, C# programming, example, example program, extension methods, graphics, image file formats, image formats, image processing, png, png file, save bitmap, save WriteableBitmap, SaveBitmap, Windows Forms programming, WPF, WriteableBitmap, XAML | 1 Comment

Easily save a WriteableBitmap in WPF and C#

Posted on May 29, 2018 by Rod Stephens

In my post Save bitmap files in WPF and C# I lamented (okay, whined about) the cumbersomeness of saving a WriteableBitmap into a file in WPF. Fortunately there’s a way you can make it easier. Simply add an extension method … Continue reading →

Posted in extension methods, graphics, image processing, wpf, XAML | Tagged C#, C# programming, example, example program, extension methods, graphics, image processing, png, png file, save bitmap, save WriteableBitmap, SaveBitmap, Windows Forms programming, WPF, WriteableBitmap, XAML | 1 Comment

Easily manipulate pixels in WPF and C#

Posted on May 25, 2018 by Rod Stephens

After building the example Save bitmap files in WPF and C#, I couldn’t get it out of my head. Doing the math to set the correct bytes in a one-dimensional pixel array isn’t all that hard, but it is annoying … Continue reading →

Posted in graphics, image processing, wpf | Tagged Bitmap, BitmapPixelMaker, C#, C# programming, example, example program, graphics, image, image processing, pixels, Windows Forms programming, WPF, WriteableBitmap, XAML | 1 Comment

Use a custom dash pattern with WPF and XAML in C#

Posted on March 13, 2018 by RodStephens

My post Render dashed lines in a WPF program using C# explains how a WPF program can use C# code to render lines with a custom dash pattern onto a bitmap. This post shows how to use a custom dash … Continue reading →

Posted in drawing, geometry, graphics, wpf, XAML | Tagged C#, C# programming, custom dash pattern, dash, DashDot, dashed lines, dotted lines, draw strings, draw text, drawing, example, example program, geometry, graphics, OnRender, render, rendering, strings, text, Windows Forms programming, WPF, XAML | Leave a comment

Book Sample Pictures: WPF 3d

Posted on February 9, 2018 by RodStephens

This page shows thumbnail images for my book WPF 3D, Three-Dimensional Graphics with WPF and C#. Click on a picture to see a full-sized version. [ Overview – Table of Contents – Questions and Discussion – Errata – Sample Pictures … Continue reading →

Posted in 3D, 3D graphics, algorithms, books, drawing, graphics, mathematics, wpf, XAML | Tagged 3D, 3D graphics, algorithms, books, C#, C# programming, drawing, example, example program, graphics, mathematics, three-dimensional graphics, Windows Forms programming, WPF, XAML | 3 Comments

Book Errata Page: WPF 3d

Posted on February 9, 2018 by RodStephens

This is the errata page for my book WPF 3D, Three-Dimensional Graphics with WPF and C#. If you find mistakes, please post them here in the “Leave a Reply” box at the bottom of the page. I will moderate them … Continue reading →

Book Discussion Page: WPF 3d

Posted on February 9, 2018 by RodStephens

This is a discussion page for my book WPF 3D, Three-Dimensional Graphics with WPF and C#. Please post questions, thoughts, and suggestions here in the “Leave a Reply” box at the bottom of the page. I will moderate posts and … Continue reading →