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   Available in LEADTOOLS Medical Imaging toolkits.  | 
LImageViewer::GetRulerUnit
#include "ltwrappr.h"
L_INT LImageViewer::GetRulerUnit(puUnit, uFlags)
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 L_UINT * puUnit;  | 
 /* pointer to a variable */  | 
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 L_UINT uFlags;  | 
 /* reserved for future use */  | 
Retrieves the measurement unit used for the viewer ruler.
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 Parameter  | 
 Description  | 
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 puUnit  | 
 Pointer to a variable to be updated with the measurement unit used for the viewer ruler, or any other measurement tool inside the image viewer. Possible values are:  | 
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 Value  | 
 Meaning  | 
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  | 
 CONTAINER_RULERUNIT_INCHES  | 
 [0] Inches.  | 
| 
 
  | 
 CONTAINER_RULERUNIT_FEET  | 
 [1] Feet.  | 
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  | 
 CONTAINER_RULERUNIT_MICROMETERS  | 
 [2] Micrometers.  | 
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  | 
 CONTAINER_RULERUNIT_MILLIMETERS  | 
 [3] Millimeters.  | 
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  | 
 CONTAINER_RULERUNIT_CENTIMETERS  | 
 [4] Centimeters. This is the default value.  | 
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  | 
 CONTAINER_RULERUNIT_METERS  | 
 [5] Meters.  | 
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 uFlags  | 
 Reserved for future use. Pass 0.  | 
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Returns
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 SUCCESS  | 
 The function was successful.  | 
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 < 1  | 
 An error occurred. Refer to Return Codes.  | 
Comments
To change the viewer ruler unit, call the LImageViewer::SetRulerUnit function.
You can show the current measurement unit on the cell by passing the DISPWIN_TYPE_RULERUNIT to the parameter uType when calling the LImageViewer::SetCellTag function.
Required DLLs and Libraries
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 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
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 Functions:  | 
 LImageViewer::Create, LImageViewer::Destroy, LImageViewer::SetAction, LImageViewer::AddAction, LImageViewer::GetRulerUnit, LImageViewer::SetRulerUnit, LImageViewer::CalibrateRuler.  | 
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 Topics:  | 
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Example
For an example, refer to LImageViewer::CalibrateRuler.