mdi child is not showing

Question

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I am using the following code but the form is not displayed

C#

CardType objCard = new CardType();
objCard.MdiParent = this;
objCard.Show();

when using the following code snippet it works

C#

CardType objCard = new CardType();
objCard.Show();

why does mdichild not shown when parent isMdiContainer is true.

Posted 19-Apr-14 1:53am

Updated 19-Apr-14 5:14am

v3

Comments

[no name] 19-Apr-14 8:21am

Did you set the parent IsMdiContainer property to true?

Muhamad Faizan Khan 19-Apr-14 9:18am

yes i have mentioned

1 solution

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Sergey Alexandrovich Kryukov · Answer 1 · 2014-04-19T19:09:00

Here is the idea: who needs MDI, ever? Why torturing yourself and scaring off your users?
Do yourself a great favor: do not use MDI at all. You can do much easier to implement design without it, with much better quality. MDI is highly discouraged even by Microsoft, in fact, Microsoft dropped it out of WPF and will hardly support it. More importantly, you will scare off all your users if you use MDI. Just don't. Please see:
http://en.wikipedia.org/wiki/Multiple_document_interface#Disadvantages[^],
How to Create MDI Parent Window in WPF?[^].

I can explain what to do instead. Please see my past answers:
Why MDI form is not supported natively in WPF ?[^],
How to Create MDI Parent Window in WPF? [Solution 2],
Question on using MDI windows in WPF[^],
MDIContainer giving error[^],
How to set child forms maximized, last childform minimized[^].

—SA