自定义类TaskEventArgs继承EventArgs,如果onTaskChanged控件需要自定义方法,那么先定义该方法属性,DesignerSerializationVisibilityAttribute,BrowsableAttribute,CategoryAttribute,定义EventHandler<TaskEventArgs>类型的方法,具体代码如下:
TaskEventArgs.cs
using System;
using System.Collections.Generic;
using System.Text;
using System.Workflow.Activities;
using Microsoft.SharePoint.Workflow;
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namespace wfACT
{
[Serializable()]
public class TaskEventArgs:EventArgs
{
}
}
自定义方法:
public static DependencyProperty onTaskChanged_IsTaskCompleteEvent = DependencyProperty.Register("onTaskChanged_IsTaskComplete", typeof(System.EventHandler<wfACT.TaskEventArgs>), typeof(wfACT.TaskActivity));
[DesignerSerializationVisibilityAttribute(DesignerSerializationVisibility.Visible)]
[BrowsableAttribute(true)]
[CategoryAttribute("TaskChanged属性")]
public event EventHandler<TaskEventArgs> onTaskChanged_IsTaskComplete
{
add
{
base.AddHandler(onTaskChanged_IsTaskCompleteEvent, value);
}
remove
{
base.RemoveHandler(onTaskChanged_IsTaskCompleteEvent, value);
}
}
TaskEventArgs.cs
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