private void m_oNodeXLControl_GraphMouseUp(
object sender,
GraphMouseButtonEventArgs graphMouseButtonEventArgs
)
{
IVertex oClickedVertex = graphMouseButtonEventArgs.Vertex;
if (oClickedVertex == null)
{
AddToStatus("GraphMouseUp: No vertex.");
}
else
{
AddToStatus("GraphMouseUp: " + oClickedVertex);
}
}
//*************************************************************************
// Method: oNodeXLControl_GraphMouseUp()
//
/// <summary>
/// Handles the GraphMouseUp event on the oNodeXLControl control.
/// </summary>
///
/// <param name="sender">
/// Standard event argument.
/// </param>
///
/// <param name="e">
/// Standard event argument.
/// </param>
//*************************************************************************
private void oNodeXLControl_GraphMouseUp(
object sender,
GraphMouseButtonEventArgs e
)
{
AssertValid();
// A m_iEnableGraphControlsCount value of zero or greater should enable
// the controls used to interact with the graph.
if (m_iEnableGraphControlsCount < 0 ||
e.ChangedButton != MouseButton.Right)
{
return;
}
// Enable the controls on the context menu, then display it at the
// clicked location.
EnableContextMenuItems(e.Vertex);
cmsNodeXLControl.Show( WpfGraphicsUtil.WpfPointToPoint(
oNodeXLControl.PointToScreen(
e.GetPosition(oNodeXLControl) ) ) );
// It shouldn't be necessary to give focus to the context menu, but if
// this isn't done, the following bug occurs: Run the ExcelTemplate
// project on a Vista or XP machine. Detach the graph pane (Excel's
// Document Actions pane) from the Excel window and right-click the
// NodeXLControl. A context menu pops up, but it behaves erratically:
// if you click a menu item that has a submenu, the submenu doesn't
// appear. Instead, focus is given back to the Excel workbook, which
// flashes a cell in an odd manner.
//
// This bug does not occur if the graph pane is not detached from the
// Excel window.
cmsNodeXLControl.Focus();
}