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Make the "hourglass" cursor stay

Sometime the cursor is resetted after database operations. To make sure the cursor stay in a known state, simply call the following APIs. 
[FUNCTION DECLARATIONS]
FUNCTION ulong SetCapture(ulong a) LIBRARY "user32.dll"
FUNCTION boolean ReleaseCapture() LIBRARY "user32.dll"

[powerscript]
ulong ll_handle, ll_rc

ll_handle = Handle(this)
ll_rc = SetCapture(ll_handle)
SetPointer(hourglass!)

// some operations

ReleaseCapture()
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Written and compiled by Réal Gagnon ©1998-2005
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