public override bool Execute()
{
TargetDrawing?.Clear();
StreamReader reader = new StreamReader(_filename);
TargetDrawing?.LoadFromStream(reader.BaseStream);
reader.Close();
return(true);
}
public override bool Execute()
{
_previousElements = TargetDrawing.GetCloneOfElements();
TargetDrawing?.Clear();
StreamReader reader = new StreamReader(_filename);
TargetDrawing?.LoadFromStream(reader.BaseStream);
reader.Close();
return(true);
}
internal override void Undo()
{
TargetDrawing.Clear();
if (_previousElements == null || _previousElements.Count == 0)
{
return;
}
foreach (var element in _previousElements)
{
TargetDrawing?.Add(element);
}
}
public override bool Execute()
{
TargetDrawing.Clear();
/**
* TargetDrawing._ClassSymbols.Clear();
* TargetDrawing._RelationShipLines.Clear();
**/
TargetDrawing.DrawingName = "New Drawing";
TargetDrawing.BackGroundColor = Color.White;
TargetDrawing.ForeGroundColor = Color.Black;
TargetDrawing.DefaultClassColor = Color.LightBlue;
TargetDrawing.IsDirty = true;
return(true);
}
public override bool Execute()
{
_previousElements = TargetDrawing.GetCloneOfElements();
TargetDrawing?.Clear();
return(_previousElements != null && _previousElements.Count > 0);
}
public override void Undo()
{
TargetDrawing?.Clear();
TargetDrawing = OldDrawing;
TargetDrawing.IsDirty = true;
}
public override void Execute()
{
TargetDrawing?.Clear();
}