private void FormMain_Load(object sender, EventArgs e)
 {
     btnMenuLicense.Enabled = false;
     lda      = new TBL_LICENSE_DATA_ACCESS();
     clm      = new ControlLicenseMenuLeft();
     cl       = new ControlLicense();
     clm.Dock = DockStyle.Fill;
     panelLeft.Controls.Add(clm);
     cl.Dock = DockStyle.Fill;
     panelContainer.Controls.Add(cl);
     GC.Collect();
 }
 private void btnMenuLicense_Click(object sender, EventArgs e)
 {
     btnMenuLicense.Enabled = false;
     btnMenuReport.Enabled  = true;
     btnMenuWork.Enabled    = true;
     panelLeft.Controls.Clear();
     panelContainer.Controls.Clear();
     clm      = new ControlLicenseMenuLeft();
     cl       = new ControlLicense();
     clm.Dock = DockStyle.Fill;
     cl.Dock  = DockStyle.Fill;
     panelLeft.Controls.Add(clm);
     panelContainer.Controls.Add(cl);
     GC.Collect();
 }