Now add the Following from the Toolbar onto your form:
Command Button: 2
Timer: 1
Text Box:2
Click the timer & under the properties area at the bottom right there should be an option called "Interval" Set it to 1000
Name your First command button Start, Second Stop (under caption not name)
Now under Text one caption put "Message here" and for the second one put "Interval"
Double click your start button & ADD this
Code:
Timer1.Interval = Text2.Text
Timer1.Enabled = True
Its basicly the same thing as start it just tells it to stop the timer.
Finaly Double Click you Timer & add this
Code:
Sendkeys Text1.Text & "{ENTER}"
Now you can test it out and stuff, if you want to keep it go to "File\MakeProjectEXE then locate it to your desktp or something then your done