AnnPointOptions example for C++ 5 and later
// This example toggles the appearance of a point annotation object
// The appearance toggles between bitmap to circle
void CTutorDlg::ExampleAnnSetPointOptions(long hObject)
{
AnnObjectType ObjectType;
m_pRasterAnn->AnnGetType(hObject);
ObjectType = m_pRasterAnn->GetAnnType();
if( ObjectType != ANN_OBJECT_POINT )
MessageBox(TEXT("This Object is not an Point Option")) ;
m_pRasterAnn->AnnPointOptions->Flags = ANN_POINT_ALL;
m_pRasterAnn->AnnGetPointOptions (hObject);
if (m_pRasterAnn->AnnPointOptions->PointRaster == NULL)
{
MessageBox(TEXT("There is no raster associated "));
Return ;
}
if(m_pRasterAnn->AnnPointOptions->EnablePointUseBitmap == TRUE)
{
m_pRasterAnn->AnnPointOptions->EnablePointUseBitmap = FALSE;
m_pRasterAnn->AnnPointOptions->EnablePointFixedSize = FALSE;
m_pRasterAnn->AnnPointOptions->EnablePointTransparentFill = FALSE;
m_pRasterAnn->AnnPointOptions->PointBorderColor = RGB(0, 0, 0);
m_pRasterAnn->AnnPointOptions->PointFillColor = RGB(255, 255, 0);
m_pRasterAnn->AnnPointOptions->PointRadius = 12;
m_pRasterAnn->AnnPointOptions->Flags = (ANN_POINT_USE_BITMAP |
ANN_POINT_RADIUS |
ANN_POINT_BORDER_COLOR |
ANN_POINT_FILL_COLOR |
ANN_POINT_TRANSPARENT_FILL |
ANN_POINT_FIXED_SIZE);
}
else
{
//Change Point appearance to a bitmap
m_pRasterAnn->AnnPointOptions->EnablePointUseBitmap = TRUE;
m_pRasterAnn->AnnPointOptions->EnablePointBitmapTransparent = TRUE;
m_pRasterAnn->AnnPointOptions->PointBitmapTransparentColor= RGB(255, 255, 255);
}
m_pRasterAnn->Flags = 0;
m_pRasterAnn->AnnSetPointOptions(hObject);
}