TextBox OnPaint override never gets called

[Guest]

I'm trying to override the TextBox OnPaint method, but it never gets called. Why? How can I tailor the painting of a TextBox?

 

[Herfried K. Wagner [MVP]]

I'm trying to override the TextBox OnPaint method, but it never gets
called. Why? How can I tailor the painting of a TextBox?

Windows does the painting, not .NET. That's why the event is never
raised.

Solution:

<http://groups.google.de/groups?selm=O60u$2T8BHA.2332@tkmsftngp03>

 

[Guest]

Now with the SetStyle(ControlStyles.UserPaint, true); set my OnPaint does get called, but now a call to base.OnPaint(e); is basically ignored, and during user editting, it appears that my OnPaint is not called. I want to let the TextBox do its normal painting, but tweek it a little afterwords. Does anyone have sample code that modifies the OnPaint of a system control (preferably a TextBox control).

 

[Ying-Shen Yu[MSFT]]

Hi Mark,

Thanks for your post!

Just as Shawn said in his post, we didn't call DefWndProc in Base.OnPaint
method when the UserPaint flag is set. So if you would like to do some
customizing after the default painting, you need override the WndProc and
handle the WM_PAINT and other messages as you did in native codes, ofcourse
it requires full trust.

Could you also share with us that What effect would you like to get, maybe
some community members have some idea on it.
Thanks!


Best regards,

Ying-Shen Yu [MSFT]
Microsoft Online Partner Support
Get Secure! - www.microsoft.com/security

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