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_WHeightP( ) API Library Routine

  • Articolo

Returns the height in pixels of the content area of the specified window.

unsigned int _WHeightP(WHANDLE wh)
WHANDLE wh;            /* Window handle. */

Remarks

For more information on how to create an API library and integrate it with Visual FoxPro, see Accessing the Visual FoxPro API.

Example

The following example displays the height and width in pixels of the active window.

Visual FoxPro Code

SET LIBRARY TO WHEIGHTP
=WDIMEN()

C Code

#include <pro_ext.h>

void putLong(long n, int width)
{
   Value val;

   val.ev_type = 'I';
   val.ev_long = n;
   val.ev_width = width;

   _PutValue(&val);
}

void FAR Example(ParamBlk FAR *parm)
{
   WHANDLE wh = _WOnTop();

   _PutStr("\nheight ="); putLong(_WHeightP(wh), 5);
   _PutStr("\nwidth  ="); putLong(_WWidthP(wh), 5);
}

FoxInfo myFoxInfo[] = {
   {"WDIMEN", Example, 0, ""},
};
FoxTable _FoxTable = {
   (FoxTable FAR *) 0, sizeof(myFoxInfo)/sizeof(FoxInfo), myFoxInfo
};

See Also

_WBottomP( ) API Library Routine | _WLeftP( ) API Library Routine | _WRightP( ) API Library Routine | _WTopP( ) API Library Routine | _WWidthP( ) API Library Routine