private void ClipsDragOver(object sender, DragEventArgs e)
{
/*fIndexOfItemUnderMouseToDrop = listBoxClips.IndexFromPoint(listBoxClips.PointToClient(new Point(e.X, e.Y)));
*
* if (fIndexOfItemUnderMouseToDrop != ListBox.NoMatches)
* {
* listBoxClips.SelectedIndex = fIndexOfItemUnderMouseToDrop;
* }
* else
* {*/
SelectedIndex = 0;
//}
/*if (e.Effect == DragDropEffects.Move)
* listBoxClips.Items.Remove((string)e.Data.GetData(DataFormats.Text));*/
#if ADVANCED_DRAG_AND_DROP
Point p = Cursor.Position;
Win32Point wp;
wp.x = p.X;
wp.y = p.Y;
IDropTargetHelper dropHelper = (IDropTargetHelper) new DragDropHelper();
dropHelper.DragOver(ref wp, (int)e.Effect);
#endif
}
public void Drag_Over(DragEventArgs e)
{
if (e.Data.GetDataPresent(DataFormats.FileDrop) ||
e.Data.GetDataPresent("HTML Format") ||
e.Data.GetDataPresent(DataFormats.Text) ||
e.Data.GetDataPresent("UniformResourceLocator")
)
{
e.Effect = DragDropEffects.Copy;
try
{
Point _p = Cursor.Position;
Win32Point _wp;
_wp.x = _p.X;
_wp.y = _p.Y;
IDropTargetHelper _dropHelper = (IDropTargetHelper) new DragDropHelper();
_dropHelper.DragOver(ref _wp, (int)e.Effect);
}
catch
{
}
}
else
{
e.Effect = DragDropEffects.None; // Unknown data, ignore it
}
}
/// <summary>
/// Bring the Drag Icon visual at the mouse position
/// </summary>
public void UpdatePosition()
{
if (WPF.GetCursorPos(out WPF.SysPoint spos))
{
DDHelper.DragOver(ref spos, Effects);
}
}
protected virtual void OnDragOver(DragEventArgs e, FrameworkElement element)
{
Win32Point wp;
System.Windows.Point p = e.GetPosition(element);
wp.x = (int)p.X;
wp.y = (int)p.Y;
_DropTargetHelper.DragOver(ref wp, (int)e.Effects);
}
public static void ProcessDragOver(DragEventArgs e)
{
Point point = Cursor.Position;
WindowsPoint winpoint;
winpoint.X = point.X;
winpoint.Y = point.Y;
IDropTargetHelper dropHelper = (IDropTargetHelper) new DragDropHelper();
dropHelper.DragOver(ref winpoint, (int)e.Effect);
}
protected void control_OnDragOver(object sender, DragEventArgs e)
{
e.Effect = DragDropEffects.Copy;
Point p = Cursor.Position;
Win32Point wp;
wp.x = p.X;
wp.y = p.Y;
IDropTargetHelper dropHelper = (IDropTargetHelper) new DragDropHelper();
dropHelper.DragOver(ref wp, (int)e.Effect);
}
private void dataGridView1_DragOver(object sender, DragEventArgs e)
{
e.Effect = DragDropEffects.Copy;
Point p = Cursor.Position;
Win32Point wp;
wp.x = p.X;
wp.y = p.Y;
IDropTargetHelper dropHelper = (IDropTargetHelper) new DragDropHelper();
dropHelper.DragOver(ref wp, (int)e.Effect);
}
protected override void OnDragOver(DragEventArgs e)
{
Win32Point wp;
e.Effects = DragDropEffects.Copy;
Point p = e.GetPosition(this);
wp.x = (int)p.X;
wp.y = (int)p.Y;
IDropTargetHelper dropHelper = (IDropTargetHelper) new DragDropHelper();
dropHelper.DragOver(ref wp, (int)e.Effects);
}
public int DragOver(ShellAPI.MK grfKeyState, ShellAPI.POINT pt, ref DragDropEffects pdwEffect)
{
bool reset = false;
#region Get DropItem
Point point = br.FileView.PointToClient(new Point(pt.x, pt.y));
ListViewHitTestInfo hitTest = br.FileView.HitTest(point);
if (hitTest.Item != null &&
(br.FileView.View != View.Details || hitTest.SubItem == null || hitTest.Item.Name == hitTest.SubItem.Name) &&
(hitTest.Location == ListViewHitTestLocations.Image ||
hitTest.Location == ListViewHitTestLocations.Label ||
hitTest.Location == ListViewHitTestLocations.StateImage))
{
if (!hitTest.Item.Equals(dropListItem))
{
if (dropTarget != null)
{
dropTarget.DragLeave();
}
ReleaseCom();
if (dropListItem != null)
{
dropListItem.Selected = wasSelected;
}
dropListItem = hitTest.Item;
wasSelected = dropListItem.Selected;
dropListItem.Selected = true;
ShellItem item = (ShellItem)dropListItem.Tag;
parentDropItem = item;
ShellHelper.GetIDropTarget(item, out dropTargetPtr, out dropTarget);
reset = true;
}
}
else
{
if (dropListItem != null)
{
if (dropTarget != null)
{
dropTarget.DragLeave();
}
ReleaseCom();
dropListItem.Selected = wasSelected;
dropListItem = null;
parentDropItem = br.SelectedItem;
ShellHelper.GetIDropTarget(br.SelectedItem, out dropTargetPtr, out dropTarget);
reset = true;
}
}
#endregion
if (dropTarget != null)
{
if (reset)
{
dropTarget.DragEnter(dropDataObject, grfKeyState, pt, ref pdwEffect);
}
else
{
dropTarget.DragOver(grfKeyState, pt, ref pdwEffect);
}
}
else
{
pdwEffect = DragDropEffects.None;
}
if (dropHelper != null)
{
dropHelper.DragOver(ref pt, pdwEffect);
}
return(ShellAPI.S_OK);
}
public int DragOver(ShellAPI.MK grfKeyState, ShellAPI.POINT pt, ref DragDropEffects pdwEffect)
{
bool reset = false;
#region Get DropItem
Point point = br.FolderView.PointToClient(new Point(pt.x, pt.y));
TreeViewHitTestInfo hitTest = br.FolderView.HitTest(point);
if (!TreeNode.Equals(dropNode, hitTest.Node))
{
if (dropTarget != null)
{
dropTarget.DragLeave();
}
ReleaseCom();
dropNode = hitTest.Node;
br.FolderView.SelectedNode = dropNode;
if (dropNode == null)
{
pdwEffect = DragDropEffects.None;
if (dropHelper != null)
{
dropHelper.DragOver(ref pt, pdwEffect);
}
return(ShellAPI.S_OK);
}
else
{
ShellItem item = (ShellItem)dropNode.Tag;
parentDropItem = item;
ShellHelper.GetIDropTarget(item, out dropTargetPtr, out dropTarget);
reset = true;
}
}
else if (dropNode == null)
{
if (dropTarget != null)
{
dropTarget.DragLeave();
}
ReleaseCom();
dropNode = null;
br.SelectedNode = null;
pdwEffect = DragDropEffects.None;
if (dropHelper != null)
{
dropHelper.DragOver(ref pt, pdwEffect);
}
return(ShellAPI.S_OK);
}
#endregion
if (dropTarget != null)
{
if (reset)
{
dropTarget.DragEnter(dropDataObject, grfKeyState, pt, ref pdwEffect);
}
else
{
dropTarget.DragOver(grfKeyState, pt, ref pdwEffect);
}
}
else
{
pdwEffect = DragDropEffects.None;
}
if (dropHelper != null)
{
dropHelper.DragOver(ref pt, pdwEffect);
}
return(ShellAPI.S_OK);
}
/// <summary>
/// Notifies the DragDropHelper that the current Control received
/// a DragOver event.
/// </summary>
/// <param name="dropHelper">The DragDropHelper instance to notify.</param>
/// <param name="cursorOffset">The current cursor's offset relative to the window.</param>
/// <param name="effect">The accepted drag drop effect.</param>
public static void DragOver(this IDropTargetHelper dropHelper, Point cursorOffset, DragDropEffects effect)
{
Win32Point pt = cursorOffset.ToWin32Point();
dropHelper.DragOver(ref pt, (int)effect);
}
/// <summary>
/// Notifies the DragDropHelper that the current Control received
/// a DragOver event.
/// </summary>
/// <param name="cursorOffset">The current cursor's offset relative to the window.</param>
/// <param name="effect">The accepted drag drop effect.</param>
public static void DragOver(Point cursorOffset, DragDropEffects effect)
{
s_instance.DragOver(cursorOffset, effect);
}
/// <summary>
/// Notifies the DragDropHelper that the current Control received
/// a DragOver event.
/// </summary>
/// <param name="cursorOffset">The current cursor's offset relative to the window.</param>
/// <param name="effect">The accepted drag drop effect.</param>
public static void DragOver(System.Drawing.Point cursorOffset, DragDropEffects effect)
{
Win32Point pt = SwfDragDropLibExtensions.ToWin32Point(cursorOffset);
s_instance.DragOver(ref pt, (int)effect);
}
