Re: [platform-swt-dev] Question about custom component dragging...

[Steve_Northover@xxxxxxx]

Try using update() for the Shell or Display.  This forces outstanding paints to be delivered right away.  Note that it is generally bad for to force paints to be serviced because this negates the automatic merging of damaged regions that is preformed by the OS.  In this case, it is probably exactly what you want, in order get rid of the trails.

Steve

"SUJATHA RAVI" <suju_ravi@xxxxxxxxxxx> Sent by: platform-swt-dev-admin@xxxxxxxxxxx 02/19/02 12:31 PM Please respond to platform-swt-dev

To:        platform-swt-dev@xxxxxxxxxxx         cc:                 Subject:        [platform-swt-dev] Question about custom component dragging...

Hi,

I am trying to create a custom component which will be used to display a 
table in a database (just a rectangular box showing the table name and its 
column names).

I have created a component extending org.eclipse.swt.widgets.Composite and 
the objective is to drag and drop this component anywhere in the window. I 
have added Drag and Drop listeners for this component and added the 
PaintListener in the custom layout class for this component.

When I drag this component around i get component trails(like mouse trails). 
How can i avoid these trails so that only the component is shown (without 
the trails) when it is dragged.

I also tried using double buffering. But does not solve the problem.

Thank you,
Suja




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