private void newFontBt_Click(object sender, EventArgs e)
{
FontEditor childForm = new FontEditor();
childForm.MdiParent = this;
childForm.Text = "Font";
childForm.Show();
}
private void fontEditorToolStripMenuItem_Click_1(object sender, System.EventArgs e)
{
var form = new FontEditor()
{
MdiParent = this
};
form.Show();
}