I have a function that I use to display "Please Wait" bitmaps when I am
retrieving large lists from my database. I like this function because I have
a good amount of control over when it gets displayed and erased, and I don't
need any user input.
The problem I have is that when an alert displays over top of it I get an
emulator message "Windows can't be under forms because they can't be
redrawn". I understand what the message is telling me and why I am getting
it. So is there an "accepted" way to display the type of wait dialog that I
am displaying? The function I use is as follows:
void PopUpWindowV20(int bmp, int toggle,int left,int top,int width,int
height)
{
RectangleType rect;
Word err;
Err error;
WinHandle formWin;
static Handle resH;
static BitmapPtr resP;
static WinHandle win;
if(toggle == ON){
RctSetRectangle(&rect,left,top,width,height);
resH = DmGetResource( bitmapRsc, bmp);
ErrFatalDisplayIf( !resH, "Missing bitmap" );
resP = (BitmapPtr)MemHandleLock(resH);
win=WinCreateWindow(&rect,dialogFrame,true,true,&err);
if(!err){
//WinEnableWindow(win);
WinSetActiveWindow(win);
WinSetDrawWindow(win);
WinDrawWindowFrame();
WinDrawBitmap (resP, 0,0);
}
}
if(toggle == OFF){
WinDeleteWindow(win,true);
error=MemHandleUnlock(resH);
//if(error) FrmCustomAlert(CustomAlert,"Unlock problem in
PopUpWindow.",NULL,NULL);
formWin=FrmGetWindowHandle(FrmGetActiveForm());
//WinEnableWindow(formWin);
WinSetActiveWindow(formWin);
FrmUpdateForm(FrmGetActiveFormID(),frmRedrawUpdateCode);
}
}
Thanks,
Phil Lachmann
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