Print Preview /Print function of Windows application doesn't fit my Grid

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VB

Hello experts,

Here is my code where the Print preview functionality works

Private Sub PrintPreviewToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles PrintPreviewToolStripMenuItem.Click, btnPreview.Click
   If printTarget Is Nothing Then
     MessageBox.Show("Please select a target.")
   Else
     Try
       PrintPreviewDialog1.WindowState = FormWindowState.Maximized
       PrintPreviewDialog1.ShowDialog()
     Catch es As Exception
       MessageBox.Show(es.Message)
     End Try
   End If
 End Sub

As my Grid is huge in the forms, it only shows half of the grid. Rest all the grids are absolutely perfect.

Can someone help me please?