public void AddLineStudy(LineStudy.StudyTypeEnum studyTypeEnum, Color color, object[] extraArgs = null)
{
object[] args = new object[0];
double strokeThicknes = 1;
//set some extra parameters to line studies
switch (studyTypeEnum)
{
case LineStudy.StudyTypeEnum.StaticText:
args = new object[] { "Some text for testing" };
strokeThicknes = 12; //for text objects is FontSize
break;
case LineStudy.StudyTypeEnum.VerticalLine:
//when first parameter is false, vertical line will display DataTime instead on record number
args = new object[]
{
false, //true - show record number, false - show datetime
true, //true - show text with line, false - show only line
"d", //custom datetime format, when args[0] == false. See MSDN:DateTime.ToString(string) for legal values
};
break;
case LineStudy.StudyTypeEnum.ImageObject:
args = new object[]
{
"Res/open.png"
};
break;
case LineStudy.StudyTypeEnum.FibonacciRetracements:
if (extraArgs != null)
{
args = extraArgs;
}
else
{
args = new object[]
{
1.0,
0.763932,
0.618034,
0.5,
0.381966,
0.236068,
0.0,
}
};
break;
default:
break;
}
UserDrawingActivated = true;
string studyName = studyTypeEnum.ToString();
int count = _stockChartX.GetLineStudyCountByType(studyTypeEnum);
if (count > 0)
{
studyName += count;
}
Brush fbrush = new SolidColorBrush(color);
LineStudy lineStudy = _stockChartX.AddLineStudy(studyTypeEnum, studyName, fbrush, args);
lineStudy.StrokeThickness = strokeThicknes;
switch (studyTypeEnum)
{
case LineStudy.StudyTypeEnum.StaticText:
//if linestudy is a text object we can change its text directly
((StaticText)lineStudy).Text = "Some other text for testing";
break;
case LineStudy.StudyTypeEnum.HorizontalLine:
//change the appearance of horizontal Line
lineStudy.StrokeType = LinePattern.DashDot;
break;
case LineStudy.StudyTypeEnum.ImageObject:
//set an additional ImageAlign property, this is very usefull when setting
//images for close and open price, when you want to put image below or above a candle
//for Open price you'd use ImageObject.ImageAlign.BottomMiddle
//for Close price you'd use ImageObject.ImageAlign.TopMiddle
((ImageObject)lineStudy).Align = ImageObject.ImageAlign.Center;
break;
}
if (studyTypeEnum == LineStudy.StudyTypeEnum.HorizontalLine)
{
lineStudy.ValuePresenterAlignment = LineStudy.ValuePresenterAlignmentType.Left;
lineStudy.LineStudyValue = new CustomHorLineValueGetter(_stockChartX);
}
}
private void btnAddLineStudy_Click(object sender, RoutedEventArgs e)
{
LineStudy.StudyTypeEnum studyTypeEnum =
((StockChartX_LineStudiesParams.LineStudyParams)cmbLineStudies.SelectedItem).StudyTypeEnum;
object[] args = new object[0];
double strokeThicknes = 1;
//set some extra parameters to line studies
switch (studyTypeEnum)
{
case LineStudy.StudyTypeEnum.StaticText:
args = new object[] { "Some text for testing" };
strokeThicknes = 12; //for text objects is FontSize
break;
case LineStudy.StudyTypeEnum.VerticalLine:
//when first parameter is false, vertical line will display DataTime instead on record number
args = new object[]
{
false, //true - show record number, false - show datetime
true, //true - show text with line, false - show only line
"d", //custom datetime format, when args[0] == false. See MSDN:DateTime.ToString(string) for legal values
};
break;
case LineStudy.StudyTypeEnum.ImageObject:
args = new object[]
{
"Res/open.png"
};
break;
default:
break;
}
string studyName = studyTypeEnum.ToString();
int count = _stockChartX.GetLineStudyCountByType(studyTypeEnum);
if (count > 0)
{
studyName += count;
}
LineStudy lineStudy = _stockChartX.AddLineStudy(studyTypeEnum, studyName, new SolidColorBrush(colorPicker.SelectedColor), args);
lineStudy.StrokeThickness = strokeThicknes;
switch (studyTypeEnum)
{
case LineStudy.StudyTypeEnum.StaticText:
//if linestudy is a text object we can change its text directly
((StaticText)lineStudy).Text = "Some other text for testing";
break;
case LineStudy.StudyTypeEnum.HorizontalLine:
//change the appearance of horizontal Line
lineStudy.StrokeType = LinePattern.DashDot;
break;
case LineStudy.StudyTypeEnum.ImageObject:
//set an additional ImageAlign property, this is very usefull when setting
//images for close and open price, when you want to put image below or above a candle
//for Open price you'd use ImageObject.ImageAlign.BottomMiddle
//for Close price you'd use ImageObject.ImageAlign.TopMiddle
((ImageObject)lineStudy).Align = ImageObject.ImageAlign.Center;
break;
}
btnAddLineStudy.IsEnabled = false;
if (studyTypeEnum == LineStudy.StudyTypeEnum.HorizontalLine)
{
lineStudy.ValuePresenterAlignment = LineStudy.ValuePresenterAlignmentType.Left;
lineStudy.LineStudyValue = new CustomHorLineValueGetter(_stockChartX);
}
}