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Normal Topic Set diagram bounds to lanegrid (Read 1659 times)
tom_w
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Set diagram bounds to lanegrid
Oct 20th, 2008 at 5:08pm
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Hi there

I'm creating a lane flowchart and would like to limit its minimum width (it is only one cell wide). Is this possible?

Also, is there an easy way to set the document boundary to match the size of the lane grid (including headers)?

Thanks

Tom
  
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Meppy
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Re: Set diagram bounds to lanegrid
Reply #1 - Oct 21st, 2008 at 11:36am
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You can achieve both your goals by handling the CellBoundsChanged event of the Lanes.Grid class. Here is how:

First, attach a handler to the event. The code below assumes that diagram1 is a variable identifying a valid Diagram object.

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diagram1.LaneGrid.CellBoundsChanged +=
	new CellBoundsEventHandler(LaneGrid_CellBoundsChanged);

The implementation of the event handler takes care to perform the necessary width check and to update the bounds of the document:

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private void LaneGrid_CellBoundsChanged(object sender, CellBoundsEventArgs e)
{
	if (diagram1.LaneGrid.ColumnHeaders[0].Width < 100)
		diagram1.LaneGrid.ColumnHeaders[0].Width = 100;

	RectangleF columnHeaderBounds = diagram1.LaneGrid.GetColumnHeaderBounds();
	RectangleF rowHeaderBounds = diagram1.LaneGrid.GetRowHeaderBounds();

	RectangleF laneGridBounds = RectangleF.Union(columnHeaderBounds, rowHeaderBounds);

	diagram1.Bounds = laneGridBounds;
}


Meppy
  
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tom_w
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Re: Set diagram bounds to lanegrid
Reply #2 - Oct 21st, 2008 at 1:50pm
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Thanks Meppy, I will give this a go - looks a lot neater than my existing 'solution'!
  
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tom_w
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Re: Set diagram bounds to lanegrid
Reply #3 - Oct 21st, 2008 at 4:38pm
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Perfect, that worked a treat, many thanks  Smiley
  
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