LImageViewer::IsActionActive

#include "ltwrappr.h"

L_BOOL LImageViewer::IsActionActive (nAction, uFlags);

L_INT nAction;	/* action ID */
L_UINT uFlags;	/* reserved for future use */

Returns a value that indicates whether the specific action has been added to the container (using the function LImageViewer::AddAction). This function is available only in the Medical Imaging Suite toolkits.

Parameter	Description
nAction	Value that represents the action for which to get the activation status. If nAction is equal to or greater than 100, it is a user-defined action. Otherwise, it can be one of the following predefined actions:
	Value	Meaning
	CONTAINER_ACTION_WINDOWLEVEL	[1] Window leveling
	CONTAINER_ACTION_SCALE	[2] Scaling
	CONTAINER_ACTION_OFFSET	[3] Offset
	CONTAINER_ACTION_STACK	[4] Stacking
	CONTAINER_ACTION_MAG	[5] Magnifying glass
	CONTAINER_ACTION_ALPHA	[6] Alpha
	CONTAINER_ACTION_ANNOTATION_RULER	[7] Ruler annotation
	CONTAINER_ACTION_ANNOTATION_ANGLE	[8] Angle annotation
	CONTAINER_ACTION_ANNOTATION_TEXT	[9] Text annotation
	CONTAINER_ACTION_ANNOTATION_ARROW	[10] Arrow annotation
	CONTAINER_ACTION_ANNOTATION_RECTANGLE	[11] Rectangle annotation
	CONTAINER_ACTION_ANNOTATION_ELLIPSE	[12] Ellipse annotation
	CONTAINER_ACTION_ANNOTATION_HILITE	[13] Hilite annotation
	CONTAINER_ACTION_REGION_RECTANGLE	[14] Rectangular region
	CONTAINER_ACTION_REGION_ELLIPSE	[15] Elliptical region
	CONTAINER_ACTION_REGION_FREEHAND	[16] Free hand region
	CONTAINER_ACTION_REGION_POLYGON	[17] Polygon region
	CONTAINER_ACTION_REGION_MAGICWAND	[18] Magic wand region
	CONTAINER_ACTION_REGION_COLORRANGE	[19] Color range region
	CONTAINER_ACTION_REGION_CIRCLE	[20] Circular region
	CONTAINER_ACTION_REGION_SQUARE	[21] Square region
uFlags	Reserved for future use. Pass 0.

Returns

TRUE	The action is active. It has been assigned to a mouse button.
FALSE	The action is not active, or an error occurred. To get extended error information, call GetLastError.

Comments

To add an action to the image viewer control, call LImageViewer::SetAction.

Required DLLs and Libraries

LTIVW

For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application.

Functions:	LImageViewer::SetAction, LImageViewer::SetActionProperties, LImageViewer::GetActionProperties, LImageViewer::RemoveAction, LImageViewer::GetActionCount, LImageViewer::SetKeyboardAction, LImageViewer::GetKeyboardAction, LImageViewer::EnableActionCallBack, Class Members
Topics:	Applying Actions
	Window Control/Image Viewer Functions: Applying Actions