invalidate_rectangle

Description:

[ Version ( since = "1.8" ) ]
public void invalidate_rectangle (RectangleInt? rect)

Invalidates a rectangular region of a CairoTexture.

Note:

Use Canvas instead

The invalidation will cause the draw signal to be emitted.

See also: invalidate

Parameters:

this

a CairoTexture
rect

a rectangle with the area to invalida, or null to perform an unbounded invalidation