Zoom factors collision with moving Control host - Diagramming Components

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Zoom factors collision with moving Control host (Read 2382 times)

Sushant Raut Guest	Zoom factors collision with moving Control host Jan 9^th, 2006 at 9:51am	Print Post
	I am handling control host moving with mouse drag. It is Obvious I need to calculate mouse position according to Flowchart control and then moving perticular control host at the new point. But this looks good when zoom factor is normal. But when zoom factor changes ... then control host does not move with mouse pointer. To avoid this I have to do something like new position = old position / (zoomfactor/100) but this is cumbersome ??? that we need to handle it programmatically. Please tell me, Is there any method to avoid this?


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Stoyo God Member Offline MindFusion support Posts: 13230 Joined: Jul 20^th, 2005	Re: Zoom factors collision with moving Control hos Reply #1 - Jan 9^th, 2006 at 9:59am	Print Post
	You could use these methods to convert from mouse to document coordinates considering the scroll and zoom values: RectangleF ClientToDoc(Rectangle clientRect); Rectangle DocToClient (RectangleF docRect); If your control does not capture the mouse input and depending on the value of HostMouseAction, the flowchart could be able to capture the mouse and handle the dragging of control hosts itself.


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Sushant Raut Guest	Re: Zoom factors collision with moving Control hos Reply #2 - Jan 10^th, 2006 at 5:26am	Print Post
	Thanx...


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