/// <summary>
/// Called when one or more items are dragged over the target hierarchy or hierarchy window.
/// </summary>
/// <param name="grfKeyState">Current state of the keyboard keys and the mouse modifier buttons. See <seealso cref="IVsHierarchyDropDataTarget"/></param>
/// <param name="itemid">Item identifier of the drop data target over which the item is being dragged</param>
/// <param name="pdwEffect"> On entry, reference to the value of the pdwEffect parameter of the IVsHierarchy object, identifying all effects that the hierarchy supports.
/// On return, the pdwEffect parameter must contain one of the effect flags that indicate the result of the drop operation. For a list of pwdEffects values, see <seealso cref="DragEnter"/></param>
/// <returns>If the method succeeds, it returns S_OK. If it fails, it returns an error code.</returns>
public override int DragOver(uint grfKeyState, uint itemid, ref uint pdwEffect)
{
pdwEffect = (uint)DropEffect.None;
// Dragging items to a project that is being debugged is not supported
// (see VSWhidbey 144785)
DBGMODE dbgMode = VsShellUtilities.GetDebugMode(this.Site) & ~DBGMODE.DBGMODE_EncMask;
if (dbgMode == DBGMODE.DBGMODE_Run || dbgMode == DBGMODE.DBGMODE_Break)
{
return(VSConstants.S_OK);
}
if (this.isClosed || this.site == null)
{
return(VSConstants.E_UNEXPECTED);
}
// We should also analyze if the node being dragged over can accept the drop.
if (!this.CanTargetNodeAcceptDrop(itemid))
{
return(VSConstants.E_NOTIMPL);
}
if (this.dropDataType != DropDataType.None)
{
pdwEffect = (uint)this.QueryDropEffect(this.dropDataType, grfKeyState);
}
return(VSConstants.S_OK);
}
public static bool isExceptionThrown()
{
DebuggerService debuggerService = new DebuggerService();
DBGMODE dBGMODE = VsShellUtilities.GetDebugMode(debuggerService);
if (DBGMODE.DBGMODE_Break == dBGMODE)
{
return(true);
}
return(false);
}