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Turnbull China Bikeride
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PROGRAMMING
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DESKLIBC
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SetExtent
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1995-07-08
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2KB
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50 lines
/*
#### # # # #
# # # # # The FreeWare C library for
# # ## ### # # # # ### RISC OS machines
# # # # # # # # # # # ___________________________________
# # #### ### ## # # # #
# # # # # # # # # # Please refer to the accompanying
#### ### #### # # ##### # ### documentation for conditions of use
________________________________________________________________________
File: Window.SetExtent.c
Author: Copyright © 1994 Lenny
Version: 0.01 (19 Nov 1994)
Purpose: Change the size of a window's work area extent.
History: 0.01 (19 Nov 94) : Added 'Window_SetExtent()'
*/
/* --- LOAD HEADERS ------------------------------------------------------ */
/* --- DeskLib ----------------------------------------------------------- */
#include "DeskLib:WimpSWIs.h" /* Low-level WIMP commands */
#include "DeskLib:Window.h"
/* === FUNCTION DEFINITIONS ============================================== */
extern void Window_SetExtent(window_handle wh, int x0, int y0, int x1, int y1)
/*
* Change the size of a window's work area extent.
*
* When increasing the extent, the visible window size is not changed,
* though when decreasing the extent, the window will be shrunk in
* size, if necessary.
*/
{
wimp_box newextent;
window_state state;
newextent.min.x = x0; newextent.min.y = y0;
newextent.max.x = x1; newextent.max.y = y1;
Wimp_SetExtent(wh, &newextent);
Wimp_GetWindowState(wh, &state);
if (state.flags.data.open) { /* ie if window is open */
Wimp_OpenWindow(&state.openblock);
}
}
/***************************************************************************/