UMDF Verifier
UMDF includes a built-in verifier that detects problems in framework and UMDF driver code. UMDF Verifier is always enabled in both the free and checked build environments—you do not need to do anything to enable it. Because UMDF Verifier is always enabled, problems in UMDF driver code are always fatal; that is, they cause the host process to stop responding unless a debugger is attached to the other process that is running the UMDF driver.
UMDF Verifier checks UMDF driver code for incorrect calls to the UMDF device driver interfaces. UMDF Verifier also checks a number of private calls within the framework itself. Table 21-4 lists the kinds of errors that UMDF Verifier can detect, with examples of calls that are checked for each kind ...
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