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. |
See Also
Example
For an example, refer to LImageViewer::RemoveAction.