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NTGraph

NTGraph的使用说明

∙Download source files - 381 Kb

∙Download demo projects - 200 Kb

∙Download control binaries - 72 Kb

NTGraph

Introduction

This is a simple OCX control, which allows you to plot two-dimensional data. Despite the large set of controls that comes with VC++, there is no out-of-the-box control that provides a simple and straightforward 2D data visualization. The ActiveX control tutorial by Kapil Chaturvedi inspired me to write my own control, mostly because I wanted to customize the source code when needed. Over time, the functionality of the ActiveX control became more elaborate, and finally I made decision to publish what I have in hand.

What Can It Do?

The control is able to plot a large number of points and updating one or more plots on the graph with new data, replacing the old plot with the new plot. Multiple plots with individual properties such as name, line and point style, width, could be customized at runtime. At runtime, the control is capable of displaying its own property pages (double click on the control area or by invoking the ShowProperties method) and showing short help as a result of the user pressing F1 while the control has the focus. By setting the TrackMode property you should be able to switch between a different modes such as tracking cursor coordinates while moving (left

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