/// <summary>
/// Clears our current copy/cut state - happens after a paste
/// </summary>
private void ClearCopyCutState() {
_copyCutState = CopyCutState.None;
}
/// <summary>
/// Handle the Copy operation to the clipboard
/// </summary>
protected internal int CopyToClipboard() {
int returnValue = (int)OleConstants.OLECMDERR_E_NOTSUPPORTED;
this.RegisterClipboardNotifications(true);
// Create our data object and change the selection to show item(s) being copy
IOleDataObject dataObject = this.PackageSelectionDataObject(false);
if (dataObject != null) {
_copyCutState = CopyCutState.Copied;
// Add our copy item(s) to the clipboard
Site.GetClipboardService().SetClipboard(dataObject);
// Inform VS (UiHierarchyWindow) of the copy
IVsUIHierWinClipboardHelper clipboardHelper = (IVsUIHierWinClipboardHelper)GetService(typeof(SVsUIHierWinClipboardHelper));
if (clipboardHelper == null) {
return VSConstants.E_FAIL;
}
returnValue = ErrorHandler.ThrowOnFailure(clipboardHelper.Copy(dataObject));
}
return returnValue;
}