public virtual int TranslateAccelerator(ref System.Design.NativeMethods.MSG msg, ref Guid group, int nCmdID)
{
return(0);
}
public bool DoBeginDrag(object[] components, SelectionRules rules, int initialX, int initialY)
{
if (((rules & SelectionRules.AllSizeable) != SelectionRules.None) || (Control.MouseButtons == MouseButtons.None))
{
return true;
}
Control designerControl = this.client.GetDesignerControl();
this.localDrag = true;
this.localDragInside = false;
this.dragComps = components;
this.dragBase = new Point(initialX, initialY);
this.localDragOffset = Point.Empty;
designerControl.PointToClient(new Point(initialX, initialY));
DragDropEffects allowedEffects = DragDropEffects.Move | DragDropEffects.Copy;
for (int i = 0; i < components.Length; i++)
{
InheritanceAttribute attribute = (InheritanceAttribute) TypeDescriptor.GetAttributes(components[i])[typeof(InheritanceAttribute)];
if (!attribute.Equals(InheritanceAttribute.NotInherited) && !attribute.Equals(InheritanceAttribute.InheritedReadOnly))
{
allowedEffects &= ~DragDropEffects.Move;
allowedEffects |= 0x4000000;
}
}
DataObject data = new ComponentDataObjectWrapper(new ComponentDataObject(this.client, this.serviceProvider, components, initialX, initialY));
System.Design.NativeMethods.MSG msg = new System.Design.NativeMethods.MSG();
while (System.Design.NativeMethods.PeekMessage(ref msg, IntPtr.Zero, 15, 15, 1))
{
System.Design.NativeMethods.TranslateMessage(ref msg);
System.Design.NativeMethods.DispatchMessage(ref msg);
}
bool freezePainting = OleDragDropHandler.freezePainting;
AddCurrentDrag(data, this.client.Component);
ArrayList allowDropCache = new ArrayList();
foreach (object obj3 in components)
{
Control control2 = obj3 as Control;
if ((control2 != null) && control2.HasChildren)
{
this.DisableDragDropChildren(control2.Controls, allowDropCache);
}
}
DragDropEffects none = DragDropEffects.None;
IDesignerHost host = this.GetService(typeof(IDesignerHost)) as IDesignerHost;
DesignerTransaction transaction = null;
if (host != null)
{
transaction = host.CreateTransaction(System.Design.SR.GetString("DragDropDragComponents", new object[] { components.Length }));
}
try
{
none = designerControl.DoDragDrop(data, allowedEffects);
if (transaction != null)
{
transaction.Commit();
}
}
finally
{
RemoveCurrentDrag(data);
foreach (Control control3 in allowDropCache)
{
control3.AllowDrop = true;
}
OleDragDropHandler.freezePainting = freezePainting;
if (transaction != null)
{
((IDisposable) transaction).Dispose();
}
}
bool flag3 = (((none & DragDropEffects.Move) != DragDropEffects.None) || ((none & 0x4000000) != DragDropEffects.None)) && this.localDragInside;
ISelectionUIService service = (ISelectionUIService) this.GetService(typeof(ISelectionUIService));
if ((service != null) && service.Dragging)
{
service.EndDrag(!flag3);
}
if (!this.localDragOffset.IsEmpty && (none != DragDropEffects.None))
{
this.DrawDragFrames(this.dragComps, this.localDragOffset, this.localDragEffect, Point.Empty, DragDropEffects.None, false);
}
this.localDragOffset = Point.Empty;
this.dragComps = null;
this.localDrag = this.localDragInside = false;
this.dragBase = Point.Empty;
return false;
}
public virtual int TranslateAccelerator(ref System.Design.NativeMethods.MSG lpmsg, short wID)
{
return(1);
}
