private void MenuEditInvertSelection_Click(object sender, System.EventArgs e)
{
if (AppWorkspace.ActiveDocumentWorkspace != null &&
!AppWorkspace.ActiveDocumentWorkspace.Selection.IsEmpty)
{
HistoryFunctionResult result = AppWorkspace.ActiveDocumentWorkspace.ExecuteFunction(new InvertSelectionFunction());
// Make sure that the selection info shows up in the status bar, and not the tool's help text
if (result == HistoryFunctionResult.Success)
{
AppWorkspace.ActiveDocumentWorkspace.Selection.PerformChanging();
AppWorkspace.ActiveDocumentWorkspace.Selection.PerformChanged();
}
}
}
public bool PerformAction()
{
HistoryFunctionResult hfr = this.documentWorkspace.ExecuteFunction(new AddNewBlankLayerFunction());
if (hfr == HistoryFunctionResult.Success)
{
PasteAction pa = new PasteAction(this.documentWorkspace);
bool result = pa.PerformAction();
if (!result)
{
using (new WaitCursorChanger(this.documentWorkspace))
{
this.documentWorkspace.History.StepBackward();
}
}
else
{
return(true);
}
}
return(false);
}