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The GlobalLock function locks a global memory object and returns a pointer to the first byte of the objectís memory block. The memory block associated with a locked memory object cannot be moved or discarded.

Declare Function GlobalLock Lib "kernel32" Alias "GlobalLock" (ByVal hMem As Long) As Long

Operating Systems Supported
Requires Windows NT 3.1 or later; Requires Windows 95 or later


Parameter Information
- hMem
Identifies the global memory object. This handle is returned by either the GlobalAlloc or GlobalReAlloc function.

Return Values
If the function succeeds, the return value is a pointer to the first byte of the memory block.

If the function fails, the return value is NULL. To get extended error information, call GetLastError.

Last update: 07 April 2006