本文整理匯總了C#中System.Windows.Forms.DataVisualization.Charting.Chart.HitTest方法的典型用法代碼示例。如果您正苦於以下問題：C# Chart.HitTest方法的具體用法？C# Chart.HitTest怎麽用？C# Chart.HitTest使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類System.Windows.Forms.DataVisualization.Charting.Chart的用法示例。
在下文中一共展示了Chart.HitTest方法的3個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的C#代碼示例。
示例1: GetPointAtMouse
public static DataPoint GetPointAtMouse(Chart c, MouseEventArgs e)
{
var result = c.HitTest(e.X, e.Y);
// If the mouse if over a data point
if (result.ChartElementType == ChartElementType.DataPoint)
{
// Find selected data point
var point = c.Series[0].Points[result.PointIndex];
return point;
}
return null;
}示例2: GetDateTimeFromPosition
private DateTime GetDateTimeFromPosition(Point pos, Chart chart)
{
var results = chart.HitTest(pos.X, pos.Y, false,
ChartElementType.PlottingArea);
foreach (var xVal in from result in results
where result.ChartElementType == ChartElementType.PlottingArea
select result.ChartArea.AxisX.PixelPositionToValue(pos.X))
{
return DateTime.FromOADate(xVal);
}
return DateTime.Now;
}示例3: CreatChart
private Chart CreatChart()
{
var chart = new Chart();
chart.MouseClick += (o, e) =>
{
HitTestResult f = chart.HitTest(e.X, e.Y);
int p = f.PointIndex;
if (p > -1)
{
string check = chart.Series[_SerieName].Points[p].CustomProperties;
if (check != ("Exploded=True"))
{
chart.Series[_SerieName].Points[p].CustomProperties = "Exploded=True";
}
else
{
chart.Series[_SerieName].Points[p].CustomProperties = "Exploded=none";
}
}
};
var chartArea = new ChartArea();
var legend = new Legend();
chartArea.Area3DStyle.Enable3D = true;
chart.ChartAreas.Add(chartArea);
chart.Legends.Add(legend);
chart.Palette = ChartColorPalette.Pastel;
return chart;
}