How to restrict multiple windows form to show in taskbar and open

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4.00/5 (1 vote)

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I am developing a very basic desktop application in c#.
I that i have many forms for different operations everything is working fine.
But an issue i am facing is that,
Suppose i open form2, then form3 , them form4.
In taskbar it shows 4 different forms(as applications). So i want that it shouldnt show multiple tasks in taskbar just main form and secondly any orher form could not be opened untill previous form that is curently opened is closed.
Only one form should be open in a time.
How do i implement this strategy? SORRY for code i cant post right now.

What I have tried:

I have no idea about this, i am very beginner to desktop development

Posted 5-May-18 19:36pm

Sufian Matloob

Updated 5-May-18 20:01pm

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BillWoodruff 6-May-18 5:33am

Why have multiple Forms if you show them "one at a time" ?

I have some ideas (and code to share) on how to manage this, but, before I post, I'd like to know what the roles of the Forms are: is there one main form that is always visible, and the other forms are tool-palettes ... or ... are there multiple independent Forms of the same type ? or ... ?

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Wendelius · Answer 1 · 2018-05-05T20:02:00

Solution 2

Sufian Matloob wrote:
and secondly any orher form could not be opened untill previous form that is curently opened is closed.
Only one form should be open in a time.

Based on the description it sounds you want to open the other form as modal. If this is the case then you need to use Form.ShowDialog Method (System.Windows.Forms)[^]

For example

C#

Form2 f2 = new Form2();
f2.ShowDialog(this);

Also as explained in the previous answer, to prevent the form from showing in the taskbar, set the ShowInTaskBar property to false.

Posted 5-May-18 20:02pm

Wendelius

Updated 5-May-18 20:03pm

v2

Comments

BillWoodruff 6-May-18 5:35am

Voted #1

There is nothing in the post suggesting the use of showing a Form modally.

Think before you post.

Wendelius 6-May-18 5:37am

I have to disagree on that.

The OP wrote "secondly any orher form could not be opened untill previous form that is curently opened is closed." I even included that as a quote in the solution.

BillWoodruff 6-May-18 8:42am

Okay, I see your point, and that your suggestion is reasonable based on what we know from the OP at this time. I am changing my vote to #5 :)

Wendelius 6-May-18 11:20am

Thanks :)

Krunal Rohit · Answer 2 · 2018-05-05T19:45:00

Solution 1

You can form your login using Form.ShowInTaskbar Property (System.Windows.Forms)[^].
See -

// Do not allow form to be displayed in taskbar.
myForm.ShowInTaskbar = false;

KR

Posted 5-May-18 19:45pm

Krunal Rohit