WinForm Custom Button Menu

Fill out other report buttons
private void Btnwriterep_click (object sender, EventArgs e)
{
Try
{
Point P1 = new Point ();
Point P = this.btnWriteRep.Location;

P1. X = p.x;
P1. Y = p.y + btnwriterep.height;
ContextMenuStrip. Show (This.flowlayoutpanel3, p1);
}
catch (Exception ex)
{

}
}
Load fill out other report drop-down button menu
private bool Loaddropbutton ()
{
Try
{
ContextMenuStrip = new ContextMenuStrip ();//drop-down menu
ContextMenuStrip. Font = new Font ("Arial", 10f);
List<reportlistitem> reportlist = basedeclar. Getreportlistitem ("Y");
foreach (Reportlistitem rep in Reportlist)
{
ContextMenuStrip. Items.Add (AddMenu ("[" + Rep. BBZT_MC + "]" + Rep. Name, Rep. Value, Rep. BBZT_MC));
}
Divider Line
Toolstripseparator line = new Toolstripseparator ();
ContextMenuStrip. Items.Add (line);

ContextMenuStrip. Items.Add (AddMenu ("Select more reports ...", "", ""));
ContextMenuStrip. itemclicked + = new Toolstripitemclickedeventhandler (contextmenustrip_itemclicked);
return true;
}
catch (Exception e)
{
MessageBox.Show ("Load button (fill out other report) menu failed");
return false;
}
}
Drop-down Item click event
void Contextmenustrip_itemclicked (object sender, ToolStripItemClickedEventArgs e)
{
Try
{
if (ischanged)
{
if (MessageBox.Show ("Data has changed, whether save", "hint", messageboxbuttons.yesno) = = Dialogresult.yes)
{
Btnsave_click (sender, NULL);
}
Else
{
Loadaxcelldata ();
Axcell1.readfrombuffer (prebytes);
}
Ischanged = false;
}
Select more reports to display all reports
if (E.clickeditem.text.contains ("Select More Reports"))
{
Isclosemenu = true;
ContextMenuStrip. Items.removeat (ContextMenuStrip. ITEMS.COUNT-1);
List<reportlistitem> reportlist = basedeclar. Getreportlistitem ("N");
foreach (Reportlistitem rep in Reportlist)
{
ContextMenuStrip. Items.Add (AddMenu ("[" + Rep. BBZT_MC + "]" + Rep. Name, Rep. Value, Rep. BBZT_MC));
}
ContextMenuStrip. Closing + = new Toolstripdropdownclosingeventhandler (contextmenustrip_closing);
}
Else
{
Isclosemenu = false;
Axcell1.setsheetvisible (Axcell1.getcursheet (), false);
Axcell1.setsheetvisible (Axcell1.getsheetindex (E.clickeditem.name), true);
Axcell1.setcursheet (Axcell1.getsheetindex (e.clickeditem.name));
}
}
catch (Exception ex)
{

}
}
Drop-down menu close to decide whether to close
void Contextmenustrip_closing (object sender, Toolstripdropdownclosingeventargs e)
{
if (Isclosemenu)
{
if (E.closereason = = Toolstripdropdownclosereason.appclicked | | e.closereason = = Toolstripdropdownclosereason.keyboard)
E.cancel = false;
Else
E.cancel = true;
}
}

WinForm Custom Button Menu