private void 查询信息ToolStripMenuItem_Click(object sender, EventArgs e) { if (frmFapiaoInfo == null) { frmFapiaoInfo = new frmFapiaoInfo(this.txtSAPUserId.Text.Trim()); frmFapiaoInfo.FormClosed += new FormClosedEventHandler(FrmOMS_FormClosed); } if (frmFapiaoInfo == null) { frmFapiaoInfo = new frmFapiaoInfo(this.txtSAPUserId.Text.Trim()); } frmFapiaoInfo.Show(this.dockPanel2); }
void FrmOMS_FormClosed(object sender, FormClosedEventArgs e) { if (sender is frmWrokflow) { frmWrokflow = null; } if (sender is frmFapiaoInfo) { frmFapiaoInfo = null; } if (sender is frmHelp) { frmHelp = null; } }