Center form1 to form2

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Hello guys,

I have a question regarding vb.net form positioning. i have two forms, form1 and form2. i have a button in form1 to show form 2. but when i move form1 and click the button form2 show not in the center. I want form2 always show in the center of form1 even it from another location. thanks

Posted 19-May-13 8:36am

athan_makubex

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3 solutions

Solution 2

You can do it manually really easily, but look also here: http://www.blogscrum.com/2011/09/how-to-make-a-mdi-child-window-start-up-in-center-of-parent-window/[^]

Posted 19-May-13 8:51am

Zoltán Zörgő

Solution 3

Set Form2's StartupPosition property to CenterOwner

When you open the form from Form1 using Show or ShowDialog, add the ownerform as parameter to the method call:

Dim frm2 As New Form2
frm2.ShowDialog(Me)

Where Me is the form you're calling it from, i.e. Form1

Posted 19-May-13 9:39am

Johnny J.

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TnTinMn · Accepted Answer · 2013-05-19T11:24:00

Solution 4

If you do not mind the form being shown modal, then this would work:

VB

Dim f2 As New Form2
f2.StartPosition = FormStartPosition.CenterParent
f2.ShowDialog()

Else:

VB

Dim f2 As New Form2
f2.StartPosition = FormStartPosition.Manual
f2.Location = New Point(Me.Location.X + Me.Width \ 2 - f2.Width \ 2, Me.Location.Y + Me.Height \ 2 - f2.Height \ 2)
f2.Show()

Where "Me" is the form that shows "f2".

Posted 19-May-13 11:24am

TnTinMn

Comments

Johnny J. 20-May-13 4:15am

There is no difference between Show() and ShowDialog() apart from the modal aspect, so StatupPosition = CenterParent will work even for non-modal forms.

You do, however, need to supply a parent (which you don't) and call f2.ShowDialog(Me) or f2.Show(Me).

You really shouldn't use manual startup position and manual position calculation for this, that's the way it was done 20 years ago...