Instance Method

discardCachedImage

Discards all of the window’s cached image rectangles.

Declaration

- (void)discardCachedImage;

Discussion

An NSWindow object automatically discards its cached image rectangles when it displays.

See Also

Bracketing Drawing Operations

- cacheImageInRect:

Stores the window’s raster image from a given rectangle expressed in the window’s base coordinate system.

Deprecated
- restoreCachedImage

Splices the window’s cached image rectangles, if any, back into its raster image (and buffer if it has one), undoing the effect of any drawing performed within those areas since they were established using cacheImageInRect:.

Deprecated