This method is called before edits are made to the buffer to perform any necessary pre edit actions.
Namespace:  Microsoft.VisualStudio.Text.Editor.DragDrop
Assembly:  Microsoft.VisualStudio.Text.UI.Wpf (in Microsoft.VisualStudio.Text.UI.Wpf.dll)
Syntax
'Declaration
Protected MustOverride Sub PerformPreEditActions ( _
    dragDropInfo As DragDropInfo _
)
protected abstract void PerformPreEditActions(
    DragDropInfo dragDropInfo
)
protected:
virtual void PerformPreEditActions(
    DragDropInfo^ dragDropInfo
) abstract
abstract PerformPreEditActions : 
        dragDropInfo:DragDropInfo -> unit
protected abstract function PerformPreEditActions(
    dragDropInfo : DragDropInfo
)
Parameters
dragDropInfo
Type: Microsoft.VisualStudio.Text.Editor.DragDrop.DragDropInfoThe DragDropInfo that contains information about the ongoing drag/drop operation.
.NET Framework Security
- Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.