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27 lines
1.7 KiB
Plaintext
27 lines
1.7 KiB
Plaintext
{\rtf1\ansi\ansicpg1253\deff0{\fonttbl{\f0\fnil\fcharset0 Arial;}}
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{\colortbl ;\red163\green21\blue21;}
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{\*\generator Msftedit 5.41.21.2509;}\viewkind4\uc1\pard\cf1\lang1033\b\fs28 Introduction\b0\fs22\par
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\par
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This sample demonstrates the GLControl, a powerful, easy-to-use WinForms Control that supports OpenGL rendering. It displays a Form that consists of a GLControl and three buttons that change the OpenGL clear color.\par
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\par
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The GLControl is suitable to rich, event-based GUIs. It is cross-platform and integrates well with WinForms applications but can also be used with WPF applications using a WindowsFormsHost control.\par
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\par
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While it is possible to implement continuous rendering with GLControl (see next sample), applications that require continuous rendering can achieve better performance with GameWindow.\par
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\par
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\b\fs28 Controls\par
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\b0\fs22\par
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Click on the buttons to change the background color for the GLControl.\par
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Press Esc or click the close button to exit.\par
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\par
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\b\fs28 Implementation\par
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\b0\fs22\par
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This sample was created using the WinForms designer in Visual Studio. As such, the code follows the conventions of this designer.\par
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\par
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1. The constructor calls InitializeComponents(). This method is generated by the designer and initializes the Form, GLControl and Buttons.\par
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\par
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2. The glControl1_Paint event handler is called whenever GLControl needs to be repainted. A typical Paint handler will begin by calling GL.Clear() and end with a call to GLControl.SwapBuffers().\par
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\par
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3. The various *Button_Click event handlers change the OpenGL clear color and invalidate the GLControl. The Invalidate() method raises the GLControl Paint event and ensures the updated clear color becomes visible immediately.\par
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\par
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}
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