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Normal Topic Create box instead of drawing arrow (Read 3609 times)
T.Pascal
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Create box instead of drawing arrow
Mar 13th, 2006 at 8:28am
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hi,
i'd like over certain box to create box instead of drawing arrow and attach those box to the one i created on. And if the box created execed the limit of the box we created on, resize the box we create on. (the box shape have to be the one selected on the shapeToolBar)

thx.
  
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Stoyo
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Re: Create box instead of drawing arrow
Reply #1 - Mar 13th, 2006 at 10:06am
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Hi,

You could change the flowchart.Behavior from the MouseMove event handler, depending on whether the container box is pointed by the mouse;

Code
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private void fc_MouseMove(object sender, System.Windows.Forms.MouseEventArgs e)
{
  if (e.Button == MouseButtons.None)
  {
    PointF mousePos = fc.ClientToDoc(new Point(e.X, e.Y));

    // get the box under the mouse cursor
    Box aBox = fc.GetNodeAt(mousePos, true, true) as Box;
    if (aBox != null && aBox.Tag.ToString() == "the special box")
	fc.Behavior = BehaviorType.CreateBox;
    else
	fc.Behavior = BehaviorType.FlowChart;
  }
}


Then in BoxCreated check whether

containerBox.BoundingRect.Contains(e.Box.BoundingRect)

and if it doesn't - enlarge the container box.

I hope that helps,
Stoyan
  
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T.Pascal
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Re: Create box instead of drawing arrow
Reply #2 - Mar 13th, 2006 at 11:29am
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after had had written this
Code
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Private Sub fc_MouseMove(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs)
	  If e.Button = MouseButtons.None Then
		Dim point As New point(e.X, e.Y)
		Dim mousePos As New PointF
		Dim aBox As Box
		mousePos = fc.ClientToDoc(point)
		aBox = fc.GetNodeAt(mousePos, True, True)
		If aBox.Shape.Id = "ExternalOrganization" Then
		    fc.Behavior = BehaviorType.CreateBox
		Else : fc.Behavior = BehaviorType.FlowChart
		End If
	  End If
    End Sub


i still drawing arrow Sad
  
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Stoyo
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Re: Create box instead of drawing arrow
Reply #3 - Mar 13th, 2006 at 12:17pm
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One of the True arguments passed to GetNodeAt means that locked objects are excluded from the search. Is that ExternalOrganization node locked by any chance ?

Stoyan
  
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T.Pascal
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Re: Create box instead of drawing arrow
Reply #4 - Mar 13th, 2006 at 12:39pm
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sorry,
the ExternalOrganization node is not locked
and when i move the mouse over ExternalOrganization node , the "arrow" display change to "hand" display as usealy when draw an arrow
  
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Stoyo
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Re: Create box instead of drawing arrow
Reply #5 - Mar 13th, 2006 at 12:44pm
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The other True argument excludes selected items from search - is it selected by any chance ? Could you display aBox.Shape.Id in the status bar or in some box to see whether its value changes while the mouse moves?
  
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T.Pascal
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Re: Create box instead of drawing arrow
Reply #6 - Mar 13th, 2006 at 1:18pm
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i resolve the drawing problem

Private Sub fc_MouseMove(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles fc.MouseMove

the hanldles was missing , that why the code wasn't use.

  
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T.Pascal
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Re: Create box instead of drawing arrow
Reply #7 - Mar 14th, 2006 at 7:28am
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the container auto-resize work , but i don't know how to locked the box on the container , so if we move the container, all the boxes in it move to. ???
  
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Stoyo
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Re: Create box instead of drawing arrow
Reply #8 - Mar 14th, 2006 at 10:40am
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Hi,

Try calling

aBox.AttachTo(container, ...)

Stoyan
  
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