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The BitBlt function is used for copying areas of pictures and combining them with other pictures. It can do several different tasks including transparency. You will learn to use BitBlt to do copying and transparency masking in this tutorial.

Learn how to use Visual Basic 6 to create an application which allows you to calculate the area of a rectangle.

Fact is, that few of the VB commands stand alone. More often than not, a command supports only one aspect of a topic. For example, the OPEN command opens a file so you can read it, whereas the LINE INPUT command reads one line of data at a time. And so it is in all of the areas of capability which VB supports. This page provides my own interpretation of VB command grouping.