In 89-90 My first Computer was PC At 80286 with 1 MB RAM 120 MB hard disk. Which was running DOS 3.3. DBase3 Lotus 123 were working smoothly in that tiny environment.

Try MIME type, ".mp4 video/mpeg"

Don't Downgrade to 2003 as it uses framework 1.1 which is not supported commonly. Use 2005 or more. 2.0 framework is inclided in all recent frameworks. You won't find similarities with VB6, There are a lot of differences. Migration is very old and you may not find any resources now.

If number of controls are more you can use TabControl to group related sections.

Imports Microsoft.Win32 _ Public Sub keybd_event(ByVal bVk As Byte, ByVal bScan As Byte, _ ByVal dwFlags As Integer, ByVal dwExtraInfo As Integer) End Sub 'Example of use sending Scroll Lock Key to system ' This can send control charactors as per your requirement where sendkeys doesnot work. Public Sub Test() If GetKeyState(VK_SCROLL) = 1 Then keybd_event(VK_SCROLL, 0, 0, 0) keybd_event(VK_SCROLL, 0, KEYEVENTF_KEYUP, 0) End If End Sub