events in controls

[purusingh]

I made a dialog IDD_MY_DIALOG and associate procedure MY_DlgProc(....).
I have created a edit control IDC_EDIT1 and a button IDC_BUTTON1.

I can trap the clickevent of IDC_BUTTON in MY_DlgProc(....). as below

MY_DlgProc(....).
{
switch(msg)
{
case WM_CPMMAND:
switch(wParam)
{
case IDC_BUTTON1:
...........
}
}
}

Now How Can I trap the (EN_CHANGE) change event of IDC_EDIT1 in MY_DlgProc(....).