Tag Archives: graphics

Make silly eyes that track the mouse in C#

This example uses a Timer named tmrTick to track the mouse. Its Tick event handler, which is shown in the following code, updates the eyes. // The previous mouse location. private Point OldMousePos = new Point(-1, -1); // See if … Continue reading

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Make a 3D globe in WPF and C#

This example shows how you can draw a 3D globe. More generally it shows how you can make a three-dimensional textured sphere in WPF. The example Draw smooth spheres using WPF and C# shows how to make smooth colored spheres. … Continue reading

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Graph event probabilities in C#

The example Calculate the probability of an event occurring in a given number of trials in C# shows how to calculate event probabilities. This example graphs the results. You can use the example to get some feel for how the … Continue reading

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Save several images into Access in C#

The example Save images in an Access database in C# includes an Access database. Unfortunately if you save several images into the database and then open the database in Access, Access removes the images. It just doesn’t seem to understand … Continue reading

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Load images from an Access database in C#

The post Save images in an Access database in C# explains how to save images in an Access database. This post explains how to load images from an Access display them. Like previous examples, this program uses a SQL statement … Continue reading

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Save images in an Access database in C#

This example shows how you can save images in an Access database. The example Use filenames stored in a database to display images in C# shows how to display images by saving the image file names in a database and … Continue reading

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Use filenames stored in a database to display images in C#

The reason so many people ask how to store and retrieve images in a database is that it’s hard. You need to use a special data type such as the BLOB (Binary Large Object) or MEMO data type depending on … Continue reading

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Move and resize multiple rectangles in WPF and C#

The example Let the user move and resize a rectangle in WPF and C# shows how to let the user move and resize a single rectangle in a WPF program. This example extends that one to let you move and … Continue reading

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Understand AutoScaleMode in C#

A form’s AutoScaleMode property lets a form automatically resize itself when its font changes. This can be particularly useful with an aging user population that may have trouble seeing smaller fonts. To try to help users out, you can give … Continue reading

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Draw transformed text in C#

This example uses the following Paint event handler to draw transformed text. // Draw some transformed text. private void Form1_Paint(object sender, PaintEventArgs e) { // Transform. e.Graphics.ScaleTransform(1.5f, 1.5f, MatrixOrder.Append); e.Graphics.RotateTransform(25, MatrixOrder.Append); e.Graphics.TranslateTransform(80, 30, MatrixOrder.Append); // Make a font. using (Font … Continue reading

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