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VBDIALOG.PAK
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VBDIALOG.C
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1995-08-29
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// Borland C++ - (C) Copyright 1993 by Borland International
//
// Windows VBX Example - C/C++ Version
//
#include <windows.h>
#include <windowsx.h>
#pragma hdrstop
#include <bivbx.h>
#include "vbdialog.h"
// some useful macros for working with VBX controls
#define VBXGetDlgItem(w,i) VBXGetHctl(GetDlgItem(w,i))
static HINSTANCE hInst;
void SamplesEvent( VBXEVENT FAR * lpEvent )
{
LONG val;
switch( lpEvent->ID )
{
case IDC_BIPICT3:
if( ! lstrcmpi( lpEvent->EventName, "DragDrop" ) )
if( VBXGetPropByName(VBX_EVENTARGNUM(lpEvent,HCTL,0),"Picture",&val) )
VBXSetPropByName( lpEvent->Control, "Picture", val );
break;
case IDC_BIPICT1:
case IDC_BIPICT2:
if( ! lstrcmpi( lpEvent->EventName, "DragDrop" ) )
MessageBeep(0);
break;
}
}
void SamplesTimer( HWND hWnd, int iSwitch, int iGauge )
{
HCTL hCtlSwitch = VBXGetDlgItem(hWnd,iSwitch);
HCTL hCtlGauge = VBXGetDlgItem(hWnd,iGauge);
LONG on = 0;
LONG val = 0;
if( VBXGetPropByName( hCtlSwitch, "On", &on ) && on )
if( VBXGetPropByName( hCtlGauge, "Value", &val ) )
VBXSetPropByName( hCtlGauge, "Value", (LONG) ( val + 5 ) % 100 );
}
LONG FAR PASCAL SamplesDialog
(
HWND hWnd,
WORD wMsg,
WORD wParam,
LONG lParam
)
{
// process the message
switch( wMsg )
{
// process command from one of the child controls
case WM_COMMAND:
switch( GET_WM_COMMAND_ID(wParam,lParam) )
{
// ok or cancel, so end the dialog
case IDOK:
case IDCANCEL:
EndDialog( hWnd, 0 );
break;
}
break;
// process VBX event
case WM_VBXFIREEVENT:
SamplesEvent( (VBXEVENT FAR *)lParam );
break;
// initialize the dialog
case WM_INITDIALOG:
VBXInitDialog( hWnd, hInst, "Samples" );
SetTimer( hWnd, 0, 0, 0 );
return FALSE;
// timer tick
case WM_TIMER:
SamplesTimer( hWnd, IDC_BISWITCH1, IDC_BIGAUGE1 );
SamplesTimer( hWnd, IDC_BISWITCH2, IDC_BIGAUGE2 );
SamplesTimer( hWnd, IDC_BISWITCH3, IDC_BIGAUGE3 );
SamplesTimer( hWnd, IDC_BISWITCH4, IDC_BIGAUGE4 );
break;
}
return FALSE;
}
// Turn off warning: Parameter * is never used in function WinMain...
#pragma argsused
int PASCAL WinMain
(
HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPSTR lpszCmdLine,
int nCmdShow
)
{
// save the instance
hInst = hInstance;
// initialize the VBX library
if( ! VBXInit( hInstance, "Thunder" ) )
{
MessageBox( NULL, "Can't init VBX library!\n", NULL, MB_OK | MB_APPLMODAL );
return 0;
}
// load the samples dialog box
if( DialogBox( hInstance, "Samples", NULL, (FARPROC)SamplesDialog ) == -1 )
MessageBox( NULL, "Can't load dialog box!\n", NULL, MB_OK | MB_APPLMODAL );
// terminate the VBX library
VBXTerm();
// end of program
return 0;
}