private void chartLabaRugi_FormatNumber(object sender, FormatNumberEventArgs e)
{
if (e.ElementType == ChartElementType.AxisLabels || e.ElementType == ChartElementType.DataPoint)
{
e.LocalizedValue = e.Value.ToString("N2", CultureInfo.GetCultureInfo("id-ID"));
}
}
private void chart2_FormatNumber(object sender, FormatNumberEventArgs e)
{
if (e.ElementType == ChartElementType.AxisLabels && e.Format == "MyAxisXCustomFormat")
{
e.LocalizedValue = new TimeSpan(0, 0, (int)e.Value).ToString(@"mm\:ss");
}
}
private void chart1_FormatNumber(object sender, FormatNumberEventArgs e)
{
if (e.ElementType == ChartElementType.AxisLabels && e.ValueType == ChartValueType.DateTime)
{
DateTime d1 = DateTime.FromOADate(e.Value);
DateTime d2 = d1.AddHours(1);
e.LocalizedValue = $"{d1:HH}-{d2:HH}";
}
}
private void Chart1_FormatNumber(object sender, FormatNumberEventArgs e)
{
if (sender is Axis)
{
Axis a = sender as Axis;
if (a.AxisName == AxisName.Y)
{
if (_view == vhcViewMode.Shares || _view == vhcViewMode.VolumeTotals)
{
e.LocalizedValue = Convert.ToInt64(e.Value).ToFileSizeString(shares_range);
}
}
}
}
private static void chart_FormatNumber(object sender, FormatNumberEventArgs e)
{
if (e.ElementType == ChartElementType.AxisLabels && e.ValueType == ChartValueType.DateTime)
{
var value = DateTime.FromOADate(e.Value);
if (value == value.Date)
{
e.LocalizedValue = value.ToString(CultureInfo.CurrentCulture.DateTimeFormat.ShortDatePattern);
}
else
{
if (value.Second != 0 || Math.Abs(value.Millisecond - 0.0) > 1e-12)
{
e.LocalizedValue = value.ToString(CultureInfo.CurrentCulture.DateTimeFormat.LongTimePattern);
}
else
{
e.LocalizedValue = value.ToString(CultureInfo.CurrentCulture.DateTimeFormat.ShortTimePattern);
}
}
}
}
private void FormatNumber(object sender, FormatNumberEventArgs e)
{
e.LocalizedValue = e.Value.ToMetric();
}
/// <summary>
/// Converts value to string using specified format.
/// </summary>
/// <param name="chart">Reference to the chart object.</param>
/// <param name="obj">Reference to the object being formatted.</param>
/// <param name="objTag">Additional object tag.</param>
/// <param name="value">Value converted to string.</param>
/// <param name="format">Format string.</param>
/// <param name="valueType">Value type.</param>
/// <param name="elementType">Chart element type being formatted.</param>
public static string FormatValue(
Chart chart,
object obj,
object objTag,
double value,
string format,
ChartValueType valueType,
ChartElementType elementType)
{
format = format ?? String.Empty;
string convertionFormat = format;
string result = "";
// Make sure value index is part of the format
if (convertionFormat != null && convertionFormat.Length > 0)
{
int bracketIndex = convertionFormat.IndexOf('{', 0);
if (bracketIndex >= 0)
{
while (bracketIndex >= 0)
{
// If format is not followed by the value index
if (!convertionFormat.Substring(bracketIndex).StartsWith("{0:", StringComparison.Ordinal))
{
// Check charcter prior to the bracket
if (bracketIndex >= 1 && convertionFormat.Substring(bracketIndex - 1, 1) == "{")
{
continue;
}
else
{
// Insert value index in format
convertionFormat = convertionFormat.Insert(bracketIndex + 1, "0:");
}
}
bracketIndex = convertionFormat.IndexOf('{', bracketIndex + 1);
}
}
else
{
convertionFormat = "{0:" + convertionFormat + "}";
}
}
// Date/time formating
if (valueType == ChartValueType.DateTime ||
valueType == ChartValueType.DateTimeOffset ||
valueType == ChartValueType.Date)
{
// Set default format
if (convertionFormat.Length == 0)
{
convertionFormat = "{0:d}";
if (valueType == ChartValueType.DateTimeOffset)
{
convertionFormat += " +0";
}
}
// Convert date to string
result = String.Format(CultureInfo.CurrentCulture, convertionFormat, DateTime.FromOADate(value));
}
else if (valueType == ChartValueType.Time)
{
// Set default format
if (convertionFormat.Length == 0)
{
convertionFormat = "{0:t}";
}
// Convert date to string
result = String.Format(CultureInfo.CurrentCulture, convertionFormat, DateTime.FromOADate(value));
}
else
{
bool failedFlag = false;
// Set default format
if (convertionFormat.Length == 0)
{
convertionFormat = "{0:G}";
}
try
{
// Numeric value formatting
result = String.Format(CultureInfo.CurrentCulture, convertionFormat, value);
}
catch (FormatException)
{
failedFlag = true;
}
// If numeric formatting failed try to format using decimal number
if (failedFlag)
{
failedFlag = false;
try
{
// Decimal value formatting
result = String.Format(CultureInfo.CurrentCulture, convertionFormat, (long)value);
}
catch (ArgumentNullException)
{
failedFlag = true;
}
catch (FormatException)
{
failedFlag = true;
}
}
// Return format string as result (literal) if all formatting methods failed
if (failedFlag)
{
result = format;
}
}
// For the Reporting Services chart a special number formatting
// handler may be set and used for all formatting needs.
if (chart != null)
{
// Call number formatter
FormatNumberEventArgs eventArguments = new FormatNumberEventArgs(value, format, valueType, result, objTag, elementType);
chart.CallOnFormatNumber(obj, eventArguments);
result = eventArguments.LocalizedValue;
}
return(result);
}
private void N2(object sender, FormatNumberEventArgs e)
{
}
private void chart1_FormatNumber(object sender, FormatNumberEventArgs e)
{
}
