源代码说明： Component XYGraph is a versatile graph for showing 2D data:
Very flexible property design.
Extended control interface (control the graph and retrieve all curve data without writing one line of code by simply assigning TControl磗 to the graph磗 Controls property).
Powerful, flickerfree CenterZoom (with or without aspect ratio).
Flickerfree Realpan (single curves or graph).
Editing of curve controlpoints (move, insert, delete, freeze) by mouse or numerical input.
Free colored offset-lettering for every controlpoint.
Three markstyles with scaleable size to mark important controlpoints.
Relative cursor reading.
Streamed writing and reading single curves or graph.
DXF output of graph and curves for data exchange with CAD systems.
Moveable hintpanel for additional graph-information.
Example project showing some features.
显示2维数组数据的图像元件

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