SetSize

SetSize(SlideSizeType, SlideSizeScaleType)

Sets the slide size by type and scales existing content.

public void SetSize(SlideSizeType type, SlideSizeScaleType scaleType)

Parameter	Type	Description
type	SlideSizeType	The predefined slide size to apply.
scaleType	SlideSizeScaleType	The content scaling mode to use.

Assigning any value other than Custom adjusts the Size based on the selected type, while preserving Orientation.

Sets the slide dimensions explicitly and scales existing content.

public void SetSize(float width, float height, SlideSizeScaleType scaleType)

Parameter	Type	Description
width	Single	The new slide width, in points.
height	Single	The new slide height, in points.
scaleType	SlideSizeScaleType	The content scaling mode to use.

This resets the Type property to Custom and sets the Orientation.