Draw Rectanle in vb.net 2010

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VB

PLS..
PLS..
how to draw Rectangle using mouse on the form..

Posted 2-Nov-13 20:25pm

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fkassaie 3-Nov-13 3:06am

Hi,
I think these link will be useful for you:
http://www.techotopia.com/index.php/Drawing_Graphics_in_Visual_Basic
http://social.msdn.microsoft.com/Forums/en-US/39d5e468-f76b-4d44-954b-d220eed57cf4/make-drawings-with-mouse-in-window-form-in-vbnet-2005-or-2010?forum=Vsexpressvb

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OriginalGriff · Accepted Answer · 2013-11-02T21:07:00

Since you refer to "on the form" I will assume this is not VB.NET - which is broswer based - but WinForms, which isn't.

It's not too difficult:
1) Handle the MouseDown, MouseMove and MouseUp events for teh form. Also Handle the Paint event.
2) Create three class level variables: a Point called "start", a Point called "current" and a bool called "moving".
3) In the MouseDown handler, set moving to true and start to the current mouse position.
4) In the MouseUp event, set moving to false
5) In the MouseMove event, look at moving. If it is true, set current to the current mouse position, and call the Invalidate method.
6) Invalidate causes the form to be re-drawn, causing the Paint event handler to be called.
7) In the Paint handler, use the PaintEventArgs parameter Graphics property, and call it's DrawRectangle method - it has an overload that takes two points.

Done!

fkassaie · Accepted Answer · 2013-11-02T21:07:00

Solution 2

Hi, I think these link will be useful for you:
http://www.techotopia.com/index.php/Drawing_Graphics_in_Visual_Basic http://social.msdn.microsoft.com/Forums/en-US/39d5e468-f76b-4d44-954b-d220eed57cf4/make-drawings-with-mouse-in-window-form-in-vbnet-2005-or-2010?forum=Vsexpressvb

Posted 2-Nov-13 21:07pm

fkassaie