LAnnPolygon::GetFillMode

#include "ltwrappr.h"

virtual L_UINT LAnnPolygon::GetFillMode(puFillMode, pnAlpha)

Gets the fill mode and alpha of the specified annotation object.

NOTE: THIS FUNCTION IS NOW INHERITED DIRECTLY FROM THE PARENT LANNOTATION CLASS.

Parameters

L_UINT * puFillMode

Pointer to a variable to be updated with the object's fill mode constant. Possible fill mode values are:

Value Meaning
ANNMODE_TRANSPARENT [0] Transparent
ANNMODE_TRANSLUCENT [1] Translucent
ANNMODE_OPAQUE [2] Opaque
ANNMODE_ALPHA [3] Alpha

L_INT * pnAlpha

Pointer to a variable to be updated with the objects alpha value. This is only valid if the fill mode puFillMode is updated with is ANNMODE_ALPHA. Possible values range from 0 to 255 where:

Value Meaning
0 Transparent background.
255 Opaque background.

Returns

The object's fill mode constant. Possible values of the fill mode are:

ANNMODE_TRANSPARENT [0]
ANNMODE_TRANSLUCENT [1]
ANNMODE_OPAQUE [2]

Comments

To see the possible fill modes and patterns, refer to Illustration of Fill Options for Annotations.

Required DLLs and Libraries

Platforms

Win32, x64.

See Also

Functions

Topics

Example

This example gets and updates the property of the object passed by the caller

L_INT LAnnPolygon_GetFillModeExample(LAnnPolygon  * pAnnObject) 
{ 
   L_INT nRet; 
 
   L_UINT uFillMode; /* Object fill mode */ 
 
   /* Set the fill mode to transparent, unless it already is */ 
 
   nRet = pAnnObject->GetFillMode(&uFillMode, NULL); 
 
   if (nRet != SUCCESS) 
      return nRet; 
 
   if (uFillMode == ANNMODE_TRANSPARENT) 
       MessageBox (NULL, TEXT("Already transparent"), TEXT("Notice"), MB_OK); 
   else 
   { 
      nRet = pAnnObject->SetFillMode(uFillMode, ANNMODE_TRANSPARENT, 0); 
      if(nRet != SUCCESS) 
         return nRet; 
   } 
 
   return SUCCESS; 
} 

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