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feat(cancellation): exposes task cancellation method

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This commit is contained in:
Dimitrie Stefanescu
2021-04-03 17:10:36 +01:00
parent b7e57b1ec8
commit c314fc5834
5 changed files with 61 additions and 7 deletions
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GrasshopperAsyncComponentDemo/SampleImplementations/Sample_UslessCyclesComponent.cs
+12 -2
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@@ -6,6 +6,7 @@ using System.Text;
using System.Threading;
using System.Threading.Tasks;
using GrasshopperAsyncComponent;
using System.Windows.Forms;
namespace GrasshopperAsyncComponentDemo.SampleImplementations
{
@@ -31,6 +32,15 @@ namespace GrasshopperAsyncComponentDemo.SampleImplementations
{
pManager.AddTextParameter("Output", "O", "Nothing really interesting.", GH_ParamAccess.item);
}
protected override void AppendAdditionalComponentMenuItems(ToolStripDropDown menu)
{
base.AppendAdditionalComponentMenuItems(menu);
Menu_AppendItem(menu, "Cancel", (s, e) =>
{
this.RequestCancellation();
});
}
}
public class UselessCyclesWorker : WorkerInstance
@@ -42,7 +52,7 @@ namespace GrasshopperAsyncComponentDemo.SampleImplementations
public override void DoWork(Action<string, double> ReportProgress, Action Done)
{
// Checking for cancellation
if (CancellationToken.IsCancellationRequested) return;
if (CancellationToken.IsCancellationRequested) { Done(); return; }
for (int i = 0; i <= MaxIterations; i++)
{
@@ -53,7 +63,7 @@ namespace GrasshopperAsyncComponentDemo.SampleImplementations
ReportProgress(Id, ((double)(i + 1) / (double)MaxIterations));
// Checking for cancellation
if (CancellationToken.IsCancellationRequested) return;
if (CancellationToken.IsCancellationRequested) { Done(); return; }
}
Done();