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annotate Chronosv2/source/DragAndDrop/IDataDropObjectProvider.cs @ 19:09d18d6e5f40

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airport work
author stevenh7776 stevenhollidge@hotmail.com
date Thu, 15 Mar 2012 06:59:15 +0000
parents 443821e55f06
children
rev   line source
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1 using System.Windows;
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2 using System.Windows.Input;
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3
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4 namespace Chronos.Presentation.DragAndDrop
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5 {
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6 // This is an interface that can be implemented to help the DragHelper ( aka the source )
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7 public interface IDataDropObjectProvider
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8 {
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9 #region · Properties ·
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11 //Flag of actions sypported by implementation of IDataDropObjectProvider
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12 DragDropProviderActions SupportedActions
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13 {
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14 get;
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15 }
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17 #endregion
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19 #region · Methods ·
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20
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21 // Called before StartDrag () to get the Data () to be used in the DataObject
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22 object GetData();
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24 // Called before StartDrag () to add other formats , this way you can drag drop externally..
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25 void AppendData(ref IDataObject data, MouseEventArgs e);
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27 // Called to get the visual ( UIElement visual brush of the object being dragged..
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28 UIElement GetVisual(MouseEventArgs e);
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29
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30 // Gives feedback during Drag
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31 void GiveFeedback(GiveFeedbackEventArgs args);
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33 // implements ContinueDrag -- to canceld the D&D..
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34 void ContinueDrag(QueryContinueDragEventArgs args);
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36 // called by the TARGET object .. this will attempt to "unparent" the current child so we can add it a child some where else..
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37 bool UnParent();
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38
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39 #endregion
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40 }
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41 }