1. in CE5.0 and later, DDK_GetWindowInfo can't be called in the flash driver if flash driver is loaded in system start phase 1.
if it's called, the system crashed in CE5.0 due to a data abort, it can't read the values in CE6.
2.usful macro:
__FILE__ ,it's the current file name.
__LINE__ ,the current line.
those two macroes are useful when debuging.
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