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Autodocs
 Libraries:
 layers.library
  BeginUpdate
  BehindLayer
  CreateBehindHookLayer
  CreateBehindLayer
  CreateUpfrontHookLayer
  CreateUpfrontLayer
  DeleteLayer
  DisposeLayerInfo
  DoHookClipRects
  EndUpdate
  FattenLayerInfo
  InitLayers
  InstallClipRegion
  InstallLayerHook
  InstallLayerInfoHook
  LockLayer
  LockLayerInfo
  LockLayers
  MoveLayer
  MoveLayerInFrontOf
  MoveSizeLayer
  NewLayerInfo
  ScrollLayer
  SizeLayer
  SwapBitsRastPortClipRect
  ThinLayerInfo
  UnlockLayer
  UnlockLayerInfo
  UnlockLayers
  UpfrontLayer
  WhichLayer
Include
GuruMeditation
Docs » Autodocs » layers.library » UpfrontLayer

NAME

	UpfrontLayer -- Put layer in front of all other layers.

SYNOPSIS

	result = UpfrontLayer( dummy, l )
d0 a0 a1
LONG UpfrontLayer( LONG, struct Layer *);

FUNCTION

	Move this layer to the most upfront position swapping bits
in and out of the display with other layers.
If this is a refresh layer then collect damage list and
set the LAYERREFRESH bit in layer->Flags if redraw required.
By clearing the BACKDROP bit in the layers Flags you may
bring a Backdrop layer up to the front of all other layers.
Note: this operation may generate refresh events in other layers
associated with this layer's Layer_Info structure.

INPUTS

	dummy - unused
l - pointer to a nonbackdrop layer

RESULT

	result - TRUE   if operation successful
FALSE if operation unsuccessful (probably out of memory)

BUGS

SEE ALSO

<graphics/layers.h>

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