I am writing a DLL which make some operations on a particular window, but sometimes the handle passed is not valid. Does there exist any function to validate that the handle passed is valid (belongs to a window)?
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I am writing a DLL which make some operations on a particular window, but sometimes the handle passed is not valid. Does there exist any function to validate that the handle passed is valid (belongs to a window)?
Try using the
IsWindowfunction, which is declared in the Windows unit.