You can get the associated C1Zoom by a specific form programmatically by using the GetC1Zoom static method of C1ApplicationZoom class. It always works even if the current application has a C1ApplicationZoom instance or not.
[C#]
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using C1.Win.TouchToolKit;
private void button1_Click(object sender, EventArgs e) { Form2 subForm = new Form2(); C1Zoom c1Zoom = C1ApplicationZoom.GetC1Zoom(subForm); if (c1Zoom == null) { MessageBox.Show("There is no C1Zoom."); } else { MessageBox.Show("There is a C1Zoom."); c1Zoom.AboutBox(); } subForm.Show(); } |
[Visual Basic]
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Imports C1.Win.TouchToolKit
Private Sub Button1_Click(sender As System.Object, e As System.EventArgs) Handles Button1.Click Dim subForm As New Form2() Dim c1Zoom As C1Zoom = C1ApplicationZoom.GetC1Zoom(subForm) If c1Zoom Is Nothing Then MessageBox.Show("There is no C1Zoom.") Else MessageBox.Show("There is a C1Zoom.") c1Zoom.AboutBox() End If subForm.Show() End Sub |