void DemoMText (HANDLE hLcWnd)
{
double x0, y0, W, H, Ht;
HANDLE hDrw, hBlock, hTStyle, hText;
WCHAR* szText = L"\\A1;H\\H0.5x;\\S^2;\\H2x;O 1\\H0.6x;\\S2/3;\\H1.6667x;+4\\H0.6x;\\S0.5^;\\H1.6667x;=3.66666...";
// get drawing and block, linked with CAD window
hDrw = lcPropGetHandle( hLcWnd, LC_PROP_WND_DRW );
hBlock = lcPropGetHandle( hLcWnd, LC_PROP_WND_BLOCK );
// set font "Arial" for the text style "Standard"
hTStyle = lcPropGetHandle( hDrw, LC_PROP_DRW_TEXTSTYLE_STD );
lcPropPutBool( hTStyle, LC_PROP_TSTYLE_WINFONT, true );
lcPropPutStr( hTStyle, LC_PROP_TSTYLE_FONT, L"Arial" );
lcPropPutBool( hTStyle, LC_PROP_TSTYLE_SOLID, true );
// set active text style
lcPropPutHandle( hDrw, LC_PROP_DRW_TEXTSTYLE, hTStyle );
// add multiline text
x0 = 0.0;
y0 = 0.0;
W = 130.0; // wrap width
Ht = 10.0; // text height
hText = lcBlockAddMText( hBlock, szText, x0, y0, W, LC_TA_CENTER, 0.0, Ht, 1.0 );
// add bounding rectangle
W = lcPropGetFloat( hText, LC_PROP_MTEXT_WRECT ) * 1.1;
H = lcPropGetFloat( hText, LC_PROP_MTEXT_HRECT ) * 1.2;
lcBlockAddRect( hBlock, x0, y0, W, H, 0.0, false );
// update view
lcBlockUpdate( hBlock, true, 0 );
lcWndExeCommand( hLcWnd, LC_CMD_ZOOM_EXT, 0 );
}