[in] Specifies the character to be translated into a virtual-key code.
If the function succeeds, the low-order byte of the return value contains the virtual-key code and the high-order byte contains the shift state, which can be a combination of bits.
1=Either SHIFT key is pressed.
2=Either CTRL key is pressed.
4=Either ALT key is pressed.
8=The Hankaku key is pressed
16=Reserved (defined by the keyboard layout driver).
32=Reserved (defined by the keyboard layout driver).
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