private void copyToolStripButton1_Click(object sender, EventArgs e) { if (this.ctlEditTextbox != null && ctlEditTextbox.Focused) { ctlEditTextbox.Copy(); return; } RdlEditPreview e1 = rdlEditPreview1; if (e1 == null) { return; } if (e1.SelectionLength > 0) { e1.Copy(); } }