Doing so can cause your application or the operating system to stop responding.
For more information, see the WM_KILLFOCUS topic in the "Keyboard Input Reference" section, and the "Message Deadlocks" section of the "About Messages and Message Queues" topic in the MSDN library at
4.7 Design specification: 4.7.1 Based on URS, design and configuration specification shall be prepared.
4.8.2 Based on complexity of the system, protocols can be prepared for specific component/function separately. 4.8.5 Separate protocols or combined protocol can be prepared for IQ, OQ and PQ depending upon type of computer system, usage and its complexity. 4.8.7 Qualification/validation protocol shall contain following non-exhaustive content- – Objective – Scope – Roles and responsibilities – Tools required – Procedure – Acceptance criteria – Test data sheet – Reference 4.8.8 Computer system validation shall be executed as per pre-approved protocols.
4.8.3 Each protocol shall identify following: – The specific task to be completed. Any change from the approved protocol shall be agreed by all concern department and deviation shall be logged if required.
4.5 Below flow chart depicts the formal validation strategy: 4.6 User requirement specification (URS): URS shall be prepared and shall be evaluated.
URS shall contain requirement and specification e.g.