HRGN LBitmapWindow::GetFloaterRgn(uFloatRgnType, pRgnXForm)
Returns the region corresponding to a floater.
Flag that indicates the type of region returned. Possible values are:
Value | Meaning |
---|---|
FLOAT_RGN_TRANS_NONE | [0] Returns a windows region in bitmap coordinates. |
FLOAT_RGN_TRANS_FROM_WINDOW | [1] Returns a windows region relative to the client area of the window. This accounts for scroll and zoom. |
FLOAT_RGN_TRANS_USE_XFORM | [2] Returns a windows region that is translated using pRgnXForm structure. |
Pointer to a RGNXFORM structure This parameter is valid only if uFloatRgnType is FLOAT_RGN_TRANS_USE_XFORM.
Value | Meaning |
---|---|
NULL | No floater exists. |
!NULL | Handle to the region that corresponds to the floater. |
HRGN should be freed when you are finished with the region.
Win32, x64.
For an example, refer to LBitmapWindow::SetAutoRgnToFloater.
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