Fix selecting and deselecting tasks on chart

jakesee / ganttchart

The Winforms Gantt Chart is the .NET Winforms control originally hosted on CodePlex (http://ganttchart.codeplex.com)

https://jakesee.sg/net-c-winforms-gantt-chart-control/

MIT License

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Fix selecting and deselecting tasks on chart #6

Closed jakesee closed 7 years ago

jakesee commented 7 years ago

Expected: Shift+left click to deselect tasks. When task part is selected, Chart.SelectedTasks will contain task part. Chart.SelectedTasks will not contain split tasks. User can listen to PaintTask event to draw selected tasks differently.