206 references to DragDropEffects
System.Windows.Forms (62)
System\Windows\Forms\Control.cs (16)
4870/// <inheritdoc cref="DoDragDropAsJson{T}(T, DragDropEffects, Bitmap?, Point, bool)"/> 4871public DragDropEffects DoDragDropAsJson<T>(T data, DragDropEffects allowedEffects) => 4882/// <returns>A value from the <see cref="DragDropEffects"/> enumeration that represents the final effect that was performed during the drag-and-drop operation.</returns> 4886/// then pass the <paramref name="data"/> to <see cref="DoDragDrop(object, DragDropEffects)"/>. 4891/// the same as <see cref="DoDragDrop(object, DragDropEffects)"/>. 4894public DragDropEffects DoDragDropAsJson<T>( 4896DragDropEffects allowedEffects, 4920public DragDropEffects DoDragDrop(object data, DragDropEffects allowedEffects) => 4937/// A value from the <see cref="DragDropEffects"/> enumeration that represents the final effect that was performed 4942/// Because <see cref="DoDragDrop(object, DragDropEffects, Bitmap, Point, bool)"/> always performs the 4949public DragDropEffects DoDragDrop( 4951DragDropEffects allowedEffects, 4967return DragDropEffects.None; 4978return (DragDropEffects)finalEffect;
System\Windows\Forms\Controls\RichTextBox\RichTextBox.OleCallback.cs (16)
20private DragDropEffects _lastEffect; 125_lastEffect = DragDropEffects.None; 133DragDropEffects.All, 139DragDropEffects.All, 159e.Effect = keyState.HasFlag(MODIFIERKEYS_FLAGS.MK_CONTROL) ? DragDropEffects.Copy : DragDropEffects.Move; 185return e.Effect == DragDropEffects.None ? HRESULT.E_FAIL : HRESULT.S_OK; 214? DragDropEffects.All | DragDropEffects.None 215: DragDropEffects.None; 238DragDropEffects.All, 244DragDropEffects.All, 251if (_lastEffect != DragDropEffects.None) 254? DragDropEffects.Copy 255: DragDropEffects.Move; 290=> e.Effect != DragDropEffects.None && e.DropImageType > DropImageType.Invalid && _owner.IsHandleCreated;
System\Windows\Forms\Controls\ToolStrips\ToolStripDropTargetManager.cs (1)
214Effect = DragDropEffects.None,
System\Windows\Forms\Controls\ToolStrips\ToolStripItem.cs (9)
2066DoDragDrop(item, DragDropEffects.Move); 2134public DragDropEffects DoDragDrop(object data, DragDropEffects allowedEffects) 2153/// A value from the <see cref="DragDropEffects"/> enumeration that represents the final effect that was performed 2158/// Because <see cref="DoDragDrop(object, DragDropEffects, Bitmap, Point, bool)"/> always performs the 2165public unsafe DragDropEffects DoDragDrop(object data, DragDropEffects allowedEffects, Bitmap? dragImage, Point cursorOffset, bool useDefaultDragImage) 2202return DragDropEffects.None; 2213return (DragDropEffects)finalEffect;
System\Windows\Forms\Controls\ToolStrips\ToolStripSplitStackDragDropHandler.cs (3)
25e.Effect = DragDropEffects.Move; 50e.Effect = DragDropEffects.Move; 56e.Effect = DragDropEffects.None;
System\Windows\Forms\GiveFeedbackEventArgs.cs (3)
18public GiveFeedbackEventArgs(DragDropEffects effect, bool useDefaultCursors) 26public GiveFeedbackEventArgs(DragDropEffects effect, bool useDefaultCursors, Bitmap? dragImage, Point cursorOffset, bool useDefaultDragImage) 38public DragDropEffects Effect { get; }
System\Windows\Forms\OLE\DragEventArgs.cs (6)
23DragDropEffects allowedEffect, 24DragDropEffects effect) 37DragDropEffects allowedEffect, 38DragDropEffects effect, 77public DragDropEffects AllowedEffect { get; } 82public DragDropEffects Effect { get; set; }
System\Windows\Forms\OLE\DropSource.cs (3)
27_lastGiveFeedbackEventArgs = new(DragDropEffects.None, useDefaultCursors: false, dragImage, cursorOffset, useDefaultDragImage); 61? new((DragDropEffects)dwEffect, useDefaultCursors: true) 63(DragDropEffects)dwEffect,
System\Windows\Forms\OLE\DropTarget.cs (5)
16private DragDropEffects _lastEffect = DragDropEffects.None; 90? new DragEventArgs(data, (int)grfKeyState, pt.x, pt.y, (DragDropEffects)pdwEffect, _lastEffect) 96(DragDropEffects)pdwEffect, 238_lastEffect = DragDropEffects.None;
System.Windows.Forms.Design (144)
System\Windows\Forms\Design\Behavior\Behavior.cs (3)
328else if (e.Effect != DragDropEffects.None) 330e.Effect = (Control.ModifierKeys == Keys.Control) ? DragDropEffects.Copy : DragDropEffects.Move;
System\Windows\Forms\Design\Behavior\BehaviorService.cs (7)
185internal DragDropEffects DoDragDrop(DropSourceBehavior dropSourceBehavior) 191DragDropEffects res = DragDropEffects.None; 228res = DragDropEffects.None; 641if (g is ControlBodyGlyph && e.Effect == DragDropEffects.None) 820e.Effect = DragDropEffects.None; 831e.Effect = DragDropEffects.None;
System\Windows\Forms\Design\Behavior\DropSourceBehavior.cs (14)
34private readonly DragDropEffects _allowedEffects; // initial allowed effects for the drag operation 35private DragDropEffects _lastEffect; // the last effect we saw (used for determining a valid drop) 108_allowedEffects = DragDropEffects.Copy | DragDropEffects.None | DragDropEffects.Move; 112_lastEffect = DragDropEffects.None; 123internal DragDropEffects AllowedEffects 232if (_lastEffect == DragDropEffects.Copy || (_srcHost != _destHost && _destHost is not null)) 337bool performCopy = (_lastEffect == DragDropEffects.Copy); 595if (_data.Target is null || e.Effect == DragDropEffects.None) 621if (_data.Target.Equals(_data.Source) && _lastEffect != DragDropEffects.Copy) 718if (ShowHideDragControls(_lastEffect == DragDropEffects.Copy) && !createNewDragAssistance) 729_dragAssistanceManager = new DragAssistanceManager(_serviceProviderTarget, _graphicsTarget, _dragObjects, null, _lastEffect == DragDropEffects.Copy); 1083if (e.Action == DragAction.Cancel || _lastEffect == DragDropEffects.None)
System\Windows\Forms\Design\Behavior\ToolStripPanelSelectionBehavior.cs (5)
252ReParentControls(components, e.Effect == DragDropEffects.Copy); 309private static DragDropEffects GetEffect(IDataObject data) 312? DragDropEffects.Copy 313: DragDropEffects.Move 314: DragDropEffects.None;
System\Windows\Forms\Design\ComponentTray.cs (8)
1083de.Effect = DragDropEffects.Copy; 1114Debug.Assert((de.AllowedEffect & (DragDropEffects.Move | DragDropEffects.Copy)) != 0, "DragDropEffect.Move | .Copy isn't allowed?"); 1115if ((de.AllowedEffect & DragDropEffects.Move) != 0) 1117de.Effect = DragDropEffects.Move; 1121de.Effect = DragDropEffects.Copy; 1148Debug.Assert((de.AllowedEffect & DragDropEffects.Copy) != 0, "DragDropEffect.Move isn't allowed?"); 1149de.Effect = DragDropEffects.Copy;
System\Windows\Forms\Design\ControlDesigner.TransparentBehavior.cs (1)
73e.Effect = DragDropEffects.None;
System\Windows\Forms\Design\FlowLayoutPanelDesigner .cs (1)
564bool performCopy = de.Effect == DragDropEffects.Copy;
System\Windows\Forms\Design\OleDragDropHandler.cs (56)
32private DragDropEffects _localDragEffect; 321DragDropEffects oldEffect, 365if ((oldEffect & DragDropEffects.Move) == 0 || 387if ((oldEffect & DragDropEffects.Move) == 0 || 467DragDropEffects allowedEffects = DragDropEffects.Copy | DragDropEffects.None | DragDropEffects.Move; 480allowedEffects &= ~DragDropEffects.Move; 481allowedEffects |= (DragDropEffects)AllowLocalMoveOnly; 520DragDropEffects effect = DragDropEffects.None; 548bool isMove = (effect & DragDropEffects.Move) != 0 || ((int)effect & AllowLocalMoveOnly) != 0; 568if (!_localDragOffset.IsEmpty && effect != DragDropEffects.None) 600de.Effect = DragDropEffects.None; 606de.AllowedEffect == DragDropEffects.None || 609de.Effect = DragDropEffects.None; 618bool moveAllowed = (de.AllowedEffect & DragDropEffects.Move) != DragDropEffects.None || localMoveOnly; 619bool copyAllowed = (de.AllowedEffect & DragDropEffects.Copy) != DragDropEffects.None; 621if ((de.Effect & DragDropEffects.Move) != 0 && !moveAllowed) 624de.Effect = DragDropEffects.Copy; 628if ((de.Effect & DragDropEffects.Copy) != 0 && !copyAllowed) 632de.Effect = DragDropEffects.None; 636if (localMoveOnly && (de.Effect & DragDropEffects.Move) != 0) 638de.Effect |= (DragDropEffects)AllowLocalMoveOnly | DragDropEffects.Move; 640else if ((de.Effect & DragDropEffects.Copy) != 0) 642de.Effect = DragDropEffects.Copy; 664if (_dragOk || (_localDragInside && de.Effect == DragDropEffects.Copy)) 684if (de.Effect == DragDropEffects.Copy || newContainer) 688cdo.Deserialize(_serviceProvider, (de.Effect & DragDropEffects.Copy) == 0); 779de.Effect = DragDropEffects.None; 870if (!Dragging && CanDropDataObject(de.Data) && de.AllowedEffect != DragDropEffects.None) 880if ((de.KeyState & (int)MODIFIERKEYS_FLAGS.MK_CONTROL) != 0 && (de.AllowedEffect & DragDropEffects.Copy) != 0) 882de.Effect = DragDropEffects.Copy; 884else if ((de.AllowedEffect & DragDropEffects.Move) != 0) 886de.Effect = DragDropEffects.Move; 890de.Effect = DragDropEffects.None; 894else if (Dragging && de.AllowedEffect != DragDropEffects.None) 898&& (de.AllowedEffect & DragDropEffects.Copy) != 0 901de.Effect = DragDropEffects.Copy; 908de.Effect |= (DragDropEffects)AllowLocalMoveOnly; 911if ((de.AllowedEffect & DragDropEffects.Move) != 0) 913de.Effect |= DragDropEffects.Move; 918de.Effect = DragDropEffects.None; 950de.Effect = DragDropEffects.None; 955&& (de.AllowedEffect & DragDropEffects.Copy) != 0 961bool move = (de.AllowedEffect & DragDropEffects.Move) != 0 || localMoveOnly; 988de.Effect = DragDropEffects.Copy; 992de.Effect = DragDropEffects.Move; 996de.Effect = DragDropEffects.None; 1001de.Effect |= (DragDropEffects)AllowLocalMoveOnly; 1012e.UseDefaultCursors = ((!_localDragInside && !_forceDrawFrames) || ((e.Effect & (DragDropEffects.Copy)) != 0)) || e.Effect == DragDropEffects.None;
System\Windows\Forms\Design\ParentControlDesigner.cs (19)
1459de.Effect = (Control.ModifierKeys == Keys.Control) ? DragDropEffects.Copy : DragDropEffects.Move; 1471de.Effect = DragDropEffects.None; 1499de.Effect = DragDropEffects.None; 1528de.Effect = DragDropEffects.None; 1557de.Effect = DragDropEffects.None; 1565de.Effect = DragDropEffects.None; 1615Debug.Assert((de.AllowedEffect & (DragDropEffects.Move | DragDropEffects.Copy)) != 0, "DragDropEffect.Move | .Copy isn't allowed?"); 1616if ((de.AllowedEffect & DragDropEffects.Move) != 0) 1618de.Effect = DragDropEffects.Move; 1622de.Effect = DragDropEffects.Copy; 1628de.Effect = DragDropEffects.None; 1660de.Effect = (Control.ModifierKeys == Keys.Control) ? DragDropEffects.Copy : DragDropEffects.Move; 1671de.Effect = DragDropEffects.None; 1681de.Effect = DragDropEffects.None; 1688Debug.Assert((de.AllowedEffect & DragDropEffects.Copy) != 0, "DragDropEffect.Move isn't allowed?"); 1689de.Effect = DragDropEffects.Copy;
System\Windows\Forms\Design\SplitContainerDesigner.cs (1)
155protected override void OnDragEnter(DragEventArgs de) => de.Effect = DragDropEffects.None;
System\Windows\Forms\Design\SplitterPanelDesigner.cs (3)
54de.Effect = DragDropEffects.None; 65de.Effect = DragDropEffects.None; 86de.Effect = DragDropEffects.None;
System\Windows\Forms\Design\TabControlDesigner.cs (1)
559de.Effect = DragDropEffects.None;
System\Windows\Forms\Design\TableLayoutPanelDesigner.cs (2)
495bool localCopy = ((de is not null) && (de.Effect == DragDropEffects.Copy) && localReposition); 1378de.Effect = DragDropEffects.None;
System\Windows\Forms\Design\ToolStripDesigner.cs (5)
1857bool copy = (de.Effect == DragDropEffects.Copy); 1909if (de.Effect == DragDropEffects.Move || copy) 2296? DragDropEffects.None 2297: (Control.ModifierKeys == Keys.Control) ? DragDropEffects.Copy : DragDropEffects.Move;
System\Windows\Forms\Design\ToolStripItemBehavior.cs (9)
616DropSource.DoDragDrop(data, DragDropEffects.All); 657bool copy = (e.Effect == DragDropEffects.Copy); 716if (e.Effect == DragDropEffects.Move || copy) 841e.Effect = DragDropEffects.Move; 845e.Effect = DragDropEffects.None; 850e.Effect = DragDropEffects.None; 874e.Effect = (Control.ModifierKeys == Keys.Control) ? DragDropEffects.Copy : DragDropEffects.Move; 878e.Effect = DragDropEffects.None;
System\Windows\Forms\Design\ToolStripMenuItemDesigner.cs (6)
2600e.Effect = (Control.ModifierKeys == Keys.Control) ? DragDropEffects.Copy : DragDropEffects.Move; 2615e.Effect = (Control.ModifierKeys == Keys.Control) ? DragDropEffects.Copy : DragDropEffects.Move; 2645bool copy = (e.Effect == DragDropEffects.Copy); 2696if (e.Effect == DragDropEffects.Move || copy)
System\Windows\Forms\Design\TreeNodeCollectionEditor.cs (3)
510DoDragDrop(item, DragDropEffects.Move); 517e.Effect = DragDropEffects.Move; 521e.Effect = DragDropEffects.None;