LVectorObject::GetTooltip
#include "ltwrappr.h"
L_UINT32 LVectorObject::GetTooltip(pBuffer, uSize)
L_TCHAR * pBuffer; |
/* pointer to a buffer */ |
L_UINT32 uSize; |
/* size of pBuffer */ |
Retrieves the tooltip of a vector object.
Parameter |
Description |
pBuffer |
Pointer to a buffer to be updated with the specified object's tooltip. |
uSize |
Size of the buffer allocated for pBuffer. |
Returns
If pBuffer is NULL, it will return the size of the buffer required for the tooltip string. If pBuffer is not NULL, it will return the number of bytes actually written to the buffer.
Required DLLs and Libraries
LVKRN 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
Functions: |
LVectorObject::SetTooltip, LVectorObject::ShowTooltip, LVectorObject::HideTooltip |
Topics: |
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Example
L_INT LVectorObject__GetTooltipExample( LVectorObject *pVecObj, L_BOOL bShow ) { L_INT nRet; L_UINT32 uSize; L_TCHAR* pszTip; VECTORTOOLTIPDESC TooltipDesc; nRet = SUCCESS; uSize = pVecObj->GetTooltip( NULL, 0 ); pszTip = (L_TCHAR *)malloc( sizeof( L_TCHAR ) * uSize ); if( NULL == pszTip ) return ERROR_NO_MEMORY; nRet = SUCCESS; pVecObj->GetTooltip( pszTip, uSize ); if( lstrcmp( pszTip, TEXT("test")) == 0 ) { /* replace the tooltip */ nRet = pVecObj->SetTooltip(TEXT("Final")); if( SUCCESS == nRet ) { if( bShow ) { ZeroMemory( &TooltipDesc, sizeof( TooltipDesc ) ); TooltipDesc.Point.x = 10; TooltipDesc.Point.y = 10; TooltipDesc.Pen.lopnColor = RGB( 0, 0, 0xFF ); TooltipDesc.Pen.lopnWidth.x = 1; TooltipDesc.Brush.lbColor = RGB( 0xED, 0xF3, 0xBB ); lstrcpy( TooltipDesc.Font.lfFaceName, TEXT("Helvetica")); TooltipDesc.Font.lfHeight = 5; nRet = pVecObj->ShowTooltip( &TooltipDesc ); } else { nRet = pVecObj->HideTooltip( ); } } } free( pszTip ); return nRet; }