66 lines
1.9 KiB
C#
66 lines
1.9 KiB
C#
using System;
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using System.ComponentModel;
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using System.Drawing;
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using System.Drawing.Design;
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using System.Windows.Forms.Design;
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namespace DevComponents.Instrumentation.Design
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{
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public class PivotPointEditor : UITypeEditor
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{
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#region GetEditStyle
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public override UITypeEditorEditStyle GetEditStyle(ITypeDescriptorContext context)
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{
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return (UITypeEditorEditStyle.DropDown);
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}
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#endregion
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#region GetPaintValueSupported
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public override bool GetPaintValueSupported(ITypeDescriptorContext context)
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{
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return (false);
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}
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#endregion
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#region EditValue
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public override object EditValue(
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ITypeDescriptorContext context, IServiceProvider provider, object value)
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{
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if (provider != null)
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{
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IWindowsFormsEditorService editorService =
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provider.GetService(typeof(IWindowsFormsEditorService)) as IWindowsFormsEditorService;
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if (editorService != null)
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{
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GaugeCircularScale scale = context.Instance as GaugeCircularScale;
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if (scale != null)
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{
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PivotPointDropDown pv = new PivotPointDropDown((PointF) value, scale.GaugeControl.Frame.Style,
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scale.Radius, scale.StartAngle, scale.SweepAngle, editorService, context);
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pv.EscapePressed = false;
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editorService.DropDownControl(pv);
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if (pv.EscapePressed == true)
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context.PropertyDescriptor.SetValue(context.Instance, value);
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else
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return (pv.PivotPoint);
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}
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}
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}
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return (base.EditValue(context, provider, value));
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}
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#endregion
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}
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}
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