hi all
I face problem on checking that if ihave a form already opend by using menuitem
I want to stop user from opening this form while it is already opned
code written on c#
Main form code
private
void menuItem2_Click(object sender, System.EventArgs e){
Form2 f=
new Form2();f.MdiParent=
this;f.Show();
}
how can i change thios code ;
note:
i made 2 solutions but it dosenot work
first: make flag (true on open(show),false on closed)
second: make menuitem disabled when form already opend & enabled on closed.
but these solutions dosenot work
i would be gratefull if anyone help me
thank you
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