private void generalPractitionersToolStripMenuItem_Click(object sender, EventArgs e)
{
//Instance of frmGPList
frmGPList GPListForm = new frmGPList();
//make its parent of this parent
GPListForm.MdiParent = this;
//display the form
GPListForm.Show();
}
private void btnGPLookup_Click(object sender, EventArgs e)
{
//creat an instance of frmGPList
frmGPList GPLookup = new frmGPList();
//make the MDI parent of this form the MDI parent of GPLookup
GPLookup.MdiParent = this.MdiParent;
//Open the form
GPLookup.Show();
}
private void btnSelectGPFromList_Click(object sender, EventArgs e)
{
//create an instance of the frmGPsList called GPListForm
frmGPList GPListForm = new frmGPList();
//make the MDI parent of the form be this MDI parent form
GPListForm.MdiParent = this.MdiParent;
//(Note:concept of delegates (an event handler is a delegate) means we can
//pass the method getGPSelectedFromList to the GPListForm object. Because they both have the same signature
//the getGPSelected method can call that method
GPListForm.GPSelectedFromList += new EventHandler(getGPSelectedFromList);
//display the GPListForm
GPListForm.Show();
}
//this function handles the event from the GP List form.
//It fetches the GP number and puts it in the GP No text box on this form
private void getGPSelectedFromList(object sender, EventArgs e)
{
//When the Child GPs List form has a GP selected this will get the GP number.
//Declare a string variable to store the GPNumberSelected
string GPNumberSelected;
//We need an instance of the frmGPList that will be used to send us the information we need
frmGPList GPListChildForm = sender as frmGPList;
//if GPListChildForm is not empty i.e. list is populated
if (GPListChildForm != null)
{
//get the GP number from the GP list using the getGPNumber() function
GPNumberSelected = GPListChildForm.getGPNumber();
//put the Selected GP number in the textbox on this form
this.txtGPNo.Text = GPNumberSelected;
}
}