ImageList.AddMask Method

Adds an image or images to an image list and generates a mask from the specified bitmap.

Namespace: VO
Assembly: VOGUIClasses (in VOGUIClasses.dll) Version: 2.21

Syntax

 VIRTUAL METHOD AddMask(
	oBitmap,
	oMaskColor
) AS USUAL CLIPPER

[ClipperCallingConventionAttribute(new string[] { ... })]
public virtual Usual AddMask(
	Usual oBitmap = default,
	Usual oMaskColor = default
)

oBitmap (Optional): Type: Usual
The bitmap object to use for the ImageList mask.
oMaskColor (Optional): Type: Usual
The color of the mask.

Type: Usual
The index of the first new image, if successful; otherwise, -1.