October 2003
Intermediate to advanced
736 pages
15h 25m
English
Content preview from Windows Forms Programming in Visual Basic .NETBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Drawing to the Screen
No matter what kind of drawing you're doing, the underlying abstraction that you're dealing with is the Graphics class from the System.Drawing namespace. The Graphics class provides the abstract surface on which you're drawing, whether the results of your drawing operations are displayed on the screen, stored in a file, or spooled to the printer. The Graphics class is too large to show here, but we'll come back to it again and again throughout the chapter.
One way to obtain a Graphics object is to use CreateGraphics to create a new one associated with a form:
Dim drawEllipse As Boolean = False Sub drawEllipseButton_Click(sender As Object, e As EventArgs) _ Handles drawEllipseButton.Click ' Toggle whether or not to draw ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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