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Add delegate for updating customer view from the employee add button.

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This commit is contained in:
kougyoku 2019-10-14 09:59:02 -07:00
parent 4fe9f84f7e
commit 9c26d0519e
3 changed files with 33 additions and 4 deletions
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6
QueueSys/frmCustomerView.cs
View File

@ -23,6 +23,12 @@ namespace QueueSys
RefreshCustomerView();
}
// Triggered by Employee View form add buttom as a delegate.
public void MessageReceived(object sender, EventArgs e)
{
RefreshCustomerView();
}
private void RefreshCustomerView()
{
SqliteDataAccess sdaCxView = new SqliteDataAccess();

23
QueueSys/frmEmployeeView.cs
View File

@ -8,6 +8,10 @@ using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
/* References */
// Using a delegate to trigger method on the customer view form
// https://www.coderslexicon.com/passing-data-between-forms-using-delegates-and-events/
namespace QueueSys
{
public partial class frmEmployeeView : Form
@ -17,18 +21,28 @@ namespace QueueSys
InitializeComponent();
}
// Our delegate (which "points" at any method which takes an object and EventArgs)
// Look familiar? This is the signature of most control events on a form
public delegate void SendMessage(object obj, EventArgs e);
// Here is the event we trigger to send messages out to listeners
public event SendMessage OnSendMessage;
/* Execute when program / main form loads.
* Pop up the customer view screen to drag onto second monitor */
* Pop up the customer view screen to drag onto second monitor
* creates our second form, says "attach its MessageReceived function to the event"
*/
private void frmEmployeeView_Load(object sender, EventArgs e)
{
Form frm = new frmCustomerView();
frmCustomerView frm = new frmCustomerView();
OnSendMessage += frm.MessageReceived;
frm.Show();
}
/* Enable options menu. */
private void optionsToolStripMenuItem_Click(object sender, EventArgs e)
{
Form frm = new frmOptions();
frmOptions frm = new frmOptions();
frm.Show();
frm.Activate();
}
@ -52,7 +66,8 @@ namespace QueueSys
sda.SaveCustomer(evNewCx);
//sda.LoadEmployeeView();
//Invoke the delegate to update customer view.
OnSendMessage?.Invoke(this, e);
tbCustomerName.Text = "";
cbNumBags.Text = "";

8
QueueSys/obj/Debug/QueueSys.csproj.FileListAbsolute.txt
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@ -26,3 +26,11 @@ C:\Users\kougyoku\Google Drive\TINFO 220_ HCI Group Project\QueueSys\QueueSys\bi
C:\Users\kougyoku\Google Drive\TINFO 220_ HCI Group Project\QueueSys\QueueSys\bin\Debug\System.Data.SQLite.xml
C:\Users\kougyoku\Google Drive\TINFO 220_ HCI Group Project\QueueSys\QueueSys\bin\Debug\System.Data.SQLite.dll.config
C:\Users\kougyoku\Google Drive\TINFO 220_ HCI Group Project\QueueSys\QueueSys\obj\Debug\QueueSys.csproj.CopyComplete
C:\Users\kougyoku\source\repos\QueueSys\QueueSys\bin\Debug\QueueSys.db
C:\Users\kougyoku\source\repos\QueueSys\QueueSys\bin\Debug\Dapper.dll
C:\Users\kougyoku\source\repos\QueueSys\QueueSys\bin\Debug\System.Data.SQLite.dll
C:\Users\kougyoku\source\repos\QueueSys\QueueSys\bin\Debug\Dapper.xml
C:\Users\kougyoku\source\repos\QueueSys\QueueSys\bin\Debug\System.Data.SQLite.xml
C:\Users\kougyoku\source\repos\QueueSys\QueueSys\bin\Debug\System.Data.SQLite.dll.config
C:\Users\kougyoku\source\repos\QueueSys\QueueSys\obj\Debug\QueueSys.frmOptions.resources
C:\Users\kougyoku\source\repos\QueueSys\QueueSys\obj\Debug\QueueSys.csproj.CopyComplete