Using MDI Form closing and opening of forms in C#

Question

Using MDI forms closing of all background forms, whenever a new form is opened. MDI forms consists of multiple forms (Form-1,Form-2,.....,Form-n) If i open three forms (Form-1, Form-4, Form-5) Suddenly i need to work on Form-9 and I open on Form-9. But at Background there are three forms opened that should be closed whenever a new form is opened (i.e, Form-9). Using MDI Forms.. So if there's a solution or link please send me.....

Sanwar Ranwa · Answer

Check this https://docs.microsoft.com/en-us/dotnet/framework/winforms/advanced/how-to-create-mdi-child-forms try to check the menu and check all the article regrading the mdi and Form You can solve all your Problem

Sanwar Ranwa · Answer

Hello Sourav Please check these Links https://www.codeproject.com/Questions/742097/how-to-close-all-child-forms-when-opening-other-ch https://stackoverflow.com/questions/29877125/mdi-child-form-close-on-new-open https://mirfan00.wordpress.com/2010/09/07/close-all-active-childes-in-mdi-container-form/ https://docs.microsoft.com/en-us/dotnet/framework/winforms/advanced/how-to-create-mdi-child-forms https://stackoverflow.com/questions/40685783/how-to-close-mdi-child-form-c-sharp

Sourav Kumar Das · Answer

No didn't get the perfect result... @Sanwar Ranwa

Sourav Kumar Das · Answer

No these links don't match with the conditions.... @Sanwar Ranwa

Sourav Kumar Das · Answer

This is the solution for given problem..... public MainForm(string sUsername, string sRole) { InitializeComponent(); Username = sUsername; UserRole = sRole; lblLoginUser.Text = sUsername; lblUserRole.Text = sRole; this.MdiChildActivate += new EventHandler(MDIParent1_MdiChildActivate); } void MDIParent1_MdiChildActivate(object sender, EventArgs e) { if (this.MdiChildren.Count() > 1) { foreach (Form childForm in this.MdiChildren) { if (childForm != this.ActiveMdiChild) { childForm.Close(); } } } }

Sourav Kumar Das · Answer

Is there any solution, please send me....

Using MDI Form closing and opening of forms in C#

Answers (6)