/// <summary>
/// The chart mouse up event
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void chartControl1_ChartRegionMouseUp(object sender, Syncfusion.Windows.Forms.Chart.ChartRegionMouseEventArgs e)
{
Cursor = Cursors.SizeAll;
if (this.isDragging)
{
double newY = Math.Floor(this.chartControl1.ChartArea.GetValueByPoint(e.Point).YValues[0]);
double newX = this.chartControl1.ChartArea.GetValueByPoint(e.Point).X;
if (newY < 0 || newY >= 100 || newX < 0 || newX > 7)
{
MessageBox.Show("Cannot drag outside chart bounds");
}
else
{
this.NewYValue(newY);
this.NewXValue(newX);
}
this.isDragging = false;
this.currentRegion = null;
this.selectedDataPoint.Y = 0;
this.selectedDataPoint.X = 0;
this.chartControl1.Redraw(true);
}
this.chartControl1.Series[0].Style.TextFormat = "{0}";
this.chartControl1.Refresh();
}
/// <summary>
/// The chart mouse down event
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void chartControl1_ChartRegionMouseDown(object sender, Syncfusion.Windows.Forms.Chart.ChartRegionMouseEventArgs e)
{
selectedDataPoint = new System.Drawing.Point();
if (e.Region.Type == ChartRegionType.SeriesPoint)
{
selectedDataPoint = e.Point;
this.Cursor = Cursors.SizeAll;
this.isDragging = true;
this.currentRegion = e.Region;
}
}
private void chartControl1_ChartRegionClick(object sender, Syncfusion.Windows.Forms.Chart.ChartRegionMouseEventArgs e)
{
if (this.chkRegionClick.Checked)
{
if (e.Region.SeriesIndex == 0)
{
OutputText(String.Format("Click over Series 1 Column {0} Point : {1}", e.Region.PointIndex, e.Point));
ShowChartRegion("ChartSeries");
}
else
{
OutputText(String.Format("Click over {0}", e.Region.Description.ToString()));
ShowChartRegion(e.Region.Description.ToString());
}
}
}
private void chartControl1_ChartRegionMouseMove(object sender, Syncfusion.Windows.Forms.Chart.ChartRegionMouseEventArgs e)
{
if (e.Region.Type == ChartRegionType.SeriesPoint)
{
this.isDragging = true;
this.currentRegion = e.Region;
this.Cursor = Cursors.SizeAll;
}
else
{
if (this.selectedDataPoint.X == 0 && this.selectedDataPoint.Y == 0)
{
this.Cursor = Cursors.Default;
}
}
}
private void chartControl1_ChartRegionClick(object sender, Syncfusion.Windows.Forms.Chart.ChartRegionMouseEventArgs e)
{
if (e.Region.IsChartPoint)
{
if (!isDrilledDown)
{
InitializeDrillDownChart(e.Region.PointIndex);
this.label1.Text = "Click on the pie to go back and view \n 'Sales by category'";
}
else
{
InitializeChart();
this.label1.Text = "Click on the columns to drill down further";
}
isDrilledDown = !isDrilledDown;
}
ChartAppearance.ApplyChartStyles(this.chartControl1);
this.chartControl1.Refresh();
}
