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Lesson 12 - Handling Rectangle Clicks in C# .NET WPF

In the previous lesson, Drawing on Canvas in C# .NET WPF, we started making an application for booking cinema seats. We used Canvas to draw the seats. In today's C# .NET WPF tutorial, we're going to complete the application, adding seat selection, and saving it all to a file.

Changing the Seat Status

Let's program that if a particular seat is clicked, that seat will be marked as free / occupied.


In the Cinema class, we're going to need a method that toggles the seat state. It'll take the seat coordinates as parameters. Since the seat is of the bool type, its value only needs to be negated.

public void SwitchStatus(int x, int y)
    seats[x, y] = !seats[x, y];

That was simple.

We'll also need a method that handles clicking on the rectangles (seats). In the DrawRectangles() method code


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In this C# .NET WPF tutorial, we'll complete our application for booking cinema seats. We'll change seats' status by clicking and learn to use dialogs.

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Article has been written for you by Radek Němec
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