Here are the examples of the csharp api class System.Windows.Forms.DataVisualization.Charting.Annotation.BeginPlacement() taken from open source projects. By voting up you can indicate which examples are most useful and appropriate.
1 Example
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1. Example
Project: NFirmwareEditor
Source File: DeviceMonitorWindow.cs
Source File: DeviceMonitorWindow.cs
private void MainChart_MouseMove(object sender, MouseEventArgs e) { if (m_isPlacingAnnotation) return; while (m_isChartUpdating) { } try { m_isPlacingAnnotation = true; var xValueUnderCursor = MainChart.ChartAreas[0].AxisX.PixelPositionToValue(e.X); var results = MainChart.HitTest(e.X, e.Y, false, ChartElementType.DataPoint); var point = results.Where(x => x.ChartElementType == ChartElementType.DataPoint) .Select(x => x.Object as DataPoint) .Where(x => x != null && x.Tag != null) .OrderBy(x => Math.Abs(xValueUnderCursor - x.XValue)) .FirstOrDefault(); if (point == null) return; if (m_pointUnderCursor != null && !m_pointerUnderCursorSelected) { m_pointUnderCursor.MarkerSize = ChartMarkerSize; } m_pointUnderCursor = point; m_pointerUnderCursorSelected = m_pointUnderCursor.MarkerSize == ChartSelectedMarkerSize; m_pointUnderCursor.MarkerSize = ChartSelectedMarkerSize; m_valueAnnotation.BeginPlacement(); { m_valueAnnotation.AnchorX = m_pointUnderCursor.XValue; m_valueAnnotation.AnchorY = m_pointUnderCursor.YValues[0]; m_valueAnnotation.Text = m_pointUnderCursor.Tag.ToString(); } m_valueAnnotation.EndPlacement(); } catch (Exception) { // Ignore } finally { m_isPlacingAnnotation = false; } }