LEADTOOLS Raster Imaging C++ Class Library Help > Classes and Member Functions > LAnnText > LAnnText Member Functions > LAnnText::GetText |
#include "ltwrappr.h"
virtual L_INT LAnnText::GetText(pText, puLen)
L_TCHAR * pText; |
/* character string to be updated */ |
L_SIZE_T *puLen; |
/* address of an integer variable to be updated with text length*/ |
Gets the text (character string) of the annotation object.
Parameter |
Description |
pText |
Character string to be updated with the annotation object's character string. |
puLen |
Pointer to a variable to updated with the text length. |
Returns
SUCCESS |
The function was successful. |
< 1 |
An error occurred. Refer to Return Codes. |
Comments
Before calling this function, you must declare a variable as a pointer to a character string. Then, pass the variable in the pText parameter. This function will update the variable with the annotation object's character string.
Required DLLs and Libraries
LTANN For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application. |
Win32, x64.
See Also
Functions: |
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Topics: |
Example
L_INT LAnnText_GetTextExample(LAnnText * pAnnObject) { L_INT nRet; L_TCHAR * pText; /* The object's text */ HGLOBAL hText; /* Handle for memory management */ L_SIZE_T TextLength; /* Length of the object's text */ /* Get the length of the current text */ TextLength = pAnnObject->GetTextLen(); /* Add six characters to the length for our new text */ TextLength += 6; /* Allocate and lock a zero-filled buffer for the text */ hText = GlobalAlloc(GPTR,TextLength * sizeof(L_TCHAR)); pText = (L_TCHAR *)GlobalLock( hText ); /* Get the current text */ nRet = pAnnObject->GetText(pText,&TextLength); if(nRet != SUCCESS) return nRet; /* Add " - New" to the end of the current text */ lstrcat(pText,TEXT(" - New")); nRet = pAnnObject->SetText(pText, 0); if(nRet != SUCCESS) return nRet; /* Free memory that we no longer need */ GlobalFree(hText); return SUCCESS; }