ILabelProvider

StockSharp.Xaml.Charting.Visuals.Axes

Interface to define a LabelProvider. The LabelFormatter may be set or data-bound to the LabelProvider property, allowing programmatic overriding of axis labels. Create a class which implements ILabelProvider and return string values from the IComparable) and Boolean) methods

Methods

CreateDataContext

public ITickLabelViewModel CreateDataContext(IComparable dataValue)

result = iLabelProvider.CreateDataContext(dataValue)

Creates a ITickLabelViewModel instance, based on the data-value passed in. Invokes IComparable) to format the specified data-value passed in.

dataValue: The data-value to format

FormatCursorLabel

public string FormatCursorLabel(IComparable dataValue, bool hitTest)

result = iLabelProvider.FormatCursorLabel(dataValue, hitTest)

Formats a label for the cursor, from the specified data-value passed in

dataValue: The data-value to format
hitTest: Cursor hit test.

Returns: The formatted cursor label string

FormatLabel

public string FormatLabel(IComparable dataValue)

result = iLabelProvider.FormatLabel(dataValue)

Formats a label for the axis from the specified data-value passed in

dataValue: The data-value to format

Returns: The formatted label string

Init

public void Init(IAxis parentAxis)

iLabelProvider.Init(parentAxis)

Called when the label formatted is initialized as it is attached to the parent axis, with the parent axis instance

parentAxis: The parent IAxis instance

OnBeginAxisDraw

public void OnBeginAxisDraw()

iLabelProvider.OnBeginAxisDraw()

Called at the start of an axis render pass, before any labels are formatted for the current draw operation

UpdateDataContext

public ITickLabelViewModel UpdateDataContext(ITickLabelViewModel labelDataContext, IComparable dataValue)

result = iLabelProvider.UpdateDataContext(labelDataContext, dataValue)

Updates existing ITickLabelViewModel, based on the data-value passed in. Invokes IComparable) to format the specified data-value passed in.

labelDataContext: The instance to update
dataValue: The data-value to format