Drawing on Windows Forms is not persisted

Question

3.00/5 (1 vote)

See more:

Hi,
when I draw a line or something else with minimizing and maximizing the window, there is still nothing in my window!
Please help!

Posted 13-Nov-10 7:17am

mzsdjfhd

Updated 13-Nov-10 10:56am

Toli Cuturicu

v3

Add a Solution

3 solutions

Add a Solution

Add your solution here

Treat my content as plain text, not as HTML

Preview 0

…

Existing Members

Sign in to your account

...or Join us

Download, Vote, Comment, Publish.

Your Email
Password
Forgot your password?

Your Email
This email is in use. Do you need your password?
Optional Password

I have read and agree to the Terms of Service and Privacy Policy
Please subscribe me to the CodeProject newsletters

When answering a question please:

Read the question carefully.
Understand that English isn't everyone's first language so be lenient of bad spelling and grammar.
If a question is poorly phrased then either ask for clarification, ignore it, or edit the question and fix the problem. Insults are not welcome.
Don't tell someone to read the manual. Chances are they have and don't get it. Provide an answer or move on to the next question.

Let's work to help developers, not make them feel stupid.

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

Henry Minute · Answer 1 · 2010-11-13T07:35:00

Solution 1

You should only do drawing in the OnPaint handler for your control or window. Otherwise it doesn't stick when the window repaints (resize, bring to front etc.).

Posted 13-Nov-10 7:35am

Henry Minute

Kanasz Robert · Answer 2 · 2010-11-13T23:52:00

Solution 3

Hi,
use your drawing code withing OnPaint and it would be much more better to draw on Panel object instead of form directly.

try to check this:
http://www.bobpowell.net/picturebox.htm[^]

Regards
Robert

Posted 13-Nov-10 23:52pm

Kanasz Robert

Updated 13-Nov-10 23:53pm

v2

alrosan · Answer 3 · 2010-11-13T18:13:00

Solution 2

GDI+ Drawing Basics Sample will be useful to mastering drawing basics in c#

Posted 13-Nov-10 18:13pm

alrosan