visual basic graphics programming pdf

Http://baike.baidu.com/view/14260.html? TP = 0_01Visual Basic (VB) is an event-driven programming language developed by Microsoft that includes a development environment. In terms of any standard, VB is the most widely used language in the world-not only developers who like VB but also developers who complain about VB. It is derived from the basic

This article focuses on the basic programming of Visual C # databases: How to browse records, modify records, delete records, and insert records. Database programming is always an important aspect of programming language, and it is also a difficult task. Database

In VB, the MDI (Multiple document interface, multi-window program) Form is defined: "The MDI form acts as a background window for a program that contains a form with the MDIChild property to True." In a VB program, there can be at most one MDI parent form and multiple MDI child forms, and the way to create an MDI parent form is to select "New MDI Form" in the VB File menu. When the MDI program runs, if the child window has a menu, the child window's menu automatically replaces the parent Window

);Glclearcolor (0.0, 0.0, 0.0, 0.0 );} Void callback display (void){Glclear (gl_color_buffer_bit ); Glcolor4f (1.0, 0.0, 0.0, 0.7 );Glrectf (0.25, 0.4, 0.75, 0.9 ); Glcolor4f (0.0, 1.0, 0.0, 0.5 );Glrectf (0.1, 0.1, 0.6, 0.6 );　　　　Glcolor4f (0.0, 0.0, 1.0, 0.3 );Glrectf (0.4, 0.1, 0.9, 0.6 );　　　　Glflush ();} Void callback myreshape (glsizei W, glsizei H){Glviewport (0, 0, W, H );Glmatrixmode (gl_projection );Glloadidentity ();If (W Gluortho2d (0.0, 1.0, 0.0, 1.0 * (glfloat) h/(glfloat) W );Else

The OpenGL Basic Library provides a large number of methods for drawing various types of elements, and the auxiliary Library also provides many functions to describe complex 3D images. This chapter mainly introduces basic elements, such as points, lines, and polygon. With these elements, you can create a complex model. 7.1. description elements OpenGL is a function library for 3D