Launches the mail composing window of the user default mail client, filling the message fields specified by a mailto: URI.

A mailto: URI can specify message fields including "to", "cc", "subject", "body", etc. See The mailto URL scheme (RFC 2368) for the mailto: URI specification details.

Parameters:

mailtoURI the specified mailto: URI

Exceptions:

NullPointerException     if the specified URI is null

IllegalArgumentException     if the URI scheme is not "mailto"

UnsupportedOperationException     if the current platform does not support the Desktop.Action.MAIL action

IOException     if the user default mail client is not found or fails to be launched

SecurityException     if a security manager exists and it denies the AWTPermission("showWindowWithoutWarningBanner") permission, or the calling thread is not allowed to create a subprocess

`NullPointerException`		if the specified URI is `null`
`IllegalArgumentException`		if the URI scheme is not `"mailto"`
`UnsupportedOperationException`		if the current platform does not support the `Desktop.Action.MAIL` action
`IOException`		if the user default mail client is not found or fails to be launched
`SecurityException`		if a security manager exists and it denies the `AWTPermission("showWindowWithoutWarningBanner")` permission, or the calling thread is not allowed to create a subprocess