private void Form1_Load(object sender, EventArgs e)
{
CustomAxisLabelCollection coll = ((XYDiagram)this.chartControl1.Diagram).AxisX.CustomLabels;
coll[0].Name = DateTime.Today.DayOfWeek.ToString();
coll[1].Name = DateTime.Today.AddDays(4).DayOfWeek.ToString();
}
// 根据交易时段设置label
public static void SetCustomLabel(ChartControl chartControl, DataRow[] drSegment)
{
XYDiagram diagram = (XYDiagram)chartControl.Diagram;
diagram.AxisX.WholeRange.SetMinMaxValues((String)drSegment[0]["BeginTime"], (String)drSegment[drSegment.Length - 1]["EndTime"]);
diagram.AxisX.VisualRange.SetMinMaxValues((String)drSegment[0]["BeginTime"], (String)drSegment[drSegment.Length - 1]["EndTime"]);
String dt = DateTime.Now.ToString("yyyyMMdd");
DateTime dtCur = DateTime.ParseExact(dt + (String)drSegment[0]["BeginTime"], "yyyyMMddHHmm", System.Globalization.CultureInfo.CurrentCulture);
dtCur = dtCur.AddDays((long)drSegment[0]["BeginDay"]);
CustomAxisLabelCollection labels = diagram.AxisX.CustomLabels;
for (int i = 0; i < drSegment.Length; i++)
{
DateTime dtBegin = DateTime.ParseExact(dt + (String)drSegment[i]["BeginTime"], "yyyyMMddHHmm", System.Globalization.CultureInfo.CurrentCulture);
dtBegin = dtBegin.AddDays((long)drSegment[i]["BeginDay"]);
DateTime dtEnd = DateTime.ParseExact(dt + (String)drSegment[i]["EndTime"], "yyyyMMddHHmm", System.Globalization.CultureInfo.CurrentCulture);
dtEnd = dtEnd.AddDays((long)drSegment[i]["EndDay"]);
if (dtCur < dtBegin)
{
if (i == 0)
{
dtCur = dtBegin;
}
else if (dtBegin.Hour == 10)
{
dtCur = dtBegin.AddMinutes(15);
}
else
{
dtCur = dtBegin.AddMinutes(30);
}
}
while (dtCur <= dtEnd)
{
String strLabel = dtCur.ToString("HH:mm");
CustomAxisLabel onelabel = new CustomAxisLabel();
onelabel.AxisValue = strLabel;
onelabel.Name = strLabel;
labels.Add(onelabel);
dtCur = dtCur.AddMinutes(30);
}
}
}
/// <summary>
/// Initializes a new instance of the Visifire.Charts.CustomAxisLabels class
/// </summary>
public CustomAxisLabels()
{
// Apply default style from generic
#if WPF
if (!_defaultStyleKeyApplied)
{
DefaultStyleKeyProperty.OverrideMetadata(typeof(CustomAxisLabels), new FrameworkPropertyMetadata(typeof(CustomAxisLabels)));
_defaultStyleKeyApplied = true;
}
#else
DefaultStyleKey = typeof(CustomAxisLabels);
#endif
WidthOfACharacter = Double.NaN;
InternalAngle = Double.NaN;
_tag = new ElementData() { Element = this };
// Initialize CustomAxisLabels list
Labels = new CustomAxisLabelCollection();
Labels.CollectionChanged += new NotifyCollectionChangedEventHandler(Labels_CollectionChanged);
}
