private void mniOpen_Click(object sender, EventArgs e) { OpenFileDialog vOpenDlg = new OpenFileDialog(); try { vOpenDlg.Filter = "文件|*" + HC.View.HC.HC_EXT; if (vOpenDlg.ShowDialog() == DialogResult.OK) { if (vOpenDlg.FileName != "") { Application.DoEvents(); FHCView.LoadFromFile(vOpenDlg.FileName); } } } finally { vOpenDlg.Dispose(); GC.Collect(); } }