| 7707 |
Alex2003 |
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xmlns:o="urn:schemas-microsoft-com:office:office" |
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xmlns:w="urn:schemas-microsoft-com:office:word" |
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xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" |
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xmlns="http://www.w3.org/TR/REC-html40"> |
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31 |
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332 |
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3604 |
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3634 |
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3635 |
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3636 |
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3637 |
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3638 |
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3639 |
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3640 |
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3643 |
href="../KolibriOS%20help%20system%20Engl/SF%20KOS.htm">Back to main |
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3644 |
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3645 |
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3648 |
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3649 |
Function 50 -
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3652 |
Set Window Form |
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3653 |
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3654 |
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3657 |
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3658 |
Regular windows are rectangles. With this function,
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3661 |
the window can be given an arbitrary shape. The form is defined by a set of |
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3662 |
points inside the framing rectangle belonging to the window. Position and the |
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3663 |
sizes of the framing rectangle are set by function 0 and change by function 67. |
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3664 |
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3665 |
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3668 |
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3669 |
Data Setup with Form Information
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3673 |
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3674 |
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3676 |
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3677 |
Options:
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3680 |
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3681 |
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3684 |
lang=EN-US style='mso-bidi-font-size:18.0pt;font-family:Symbol;mso-fareast-font-family: |
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3685 |
Symbol;mso-bidi-font-family:Symbol;mso-ansi-language:EN-US'> |
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3686 |
style='mso-list:Ignore'>· |
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3687 |
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3688 |
style='mso-bidi-font-size:18.0pt;font-family:"Arial","sans-serif";mso-ansi-language: |
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3689 |
EN-US'>eax = 50 - function |
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3691 |
number |
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3692 |
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3693 |
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3696 |
lang=EN-US style='mso-bidi-font-size:18.0pt;font-family:Symbol;mso-fareast-font-family: |
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3697 |
Symbol;mso-bidi-font-family:Symbol;mso-ansi-language:EN-US'> |
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3698 |
style='mso-list:Ignore'>· |
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3699 |
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3700 |
style='mso-bidi-font-size:18.0pt;font-family:"Arial","sans-serif";mso-ansi-language: |
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3701 |
EN-US'>ebx = 0 - number of |
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3703 |
class=SpellE>subfunction |
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3704 |
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3705 |
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3708 |
lang=EN-US style='mso-bidi-font-size:18.0pt;font-family:Symbol;mso-fareast-font-family: |
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3709 |
Symbol;mso-bidi-font-family:Symbol;mso-ansi-language:EN-US'> |
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3710 |
style='mso-list:Ignore'>· |
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3711 |
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3712 |
style='mso-bidi-font-size:18.0pt;font-family:"Arial","sans-serif";mso-ansi-language: |
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3713 |
EN-US'>ecx = pointer to the |
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3715 |
form data (byte array 0/1) |
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3716 |
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3717 |
Return value:
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3720 |
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3721 |
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3724 |
lang=EN-US style='mso-bidi-font-size:18.0pt;font-family:Symbol;mso-fareast-font-family: |
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3725 |
Symbol;mso-bidi-font-family:Symbol;mso-ansi-language:EN-US'> |
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3726 |
style='mso-list:Ignore'>· |
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3727 |
function does not |
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3729 |
return value |
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3730 |
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3731 |
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3734 |
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3735 |
Scaling form data
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3739 |
style='font-size:14.0pt;mso-bidi-font-size:18.0pt;font-family:"Arial","sans-serif"'> |
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3740 |
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3741 |
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3744 |
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3745 |
Options:
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3748 |
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3749 |
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3752 |
lang=EN-US style='mso-bidi-font-size:18.0pt;font-family:Symbol;mso-fareast-font-family: |
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3753 |
Symbol;mso-bidi-font-family:Symbol;mso-ansi-language:EN-US'> |
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3754 |
style='mso-list:Ignore'>· |
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3755 |
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3756 |
style='mso-bidi-font-size:18.0pt;font-family:"Arial","sans-serif";mso-ansi-language: |
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3757 |
EN-US'>eax = 50 - function |
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3759 |
number |
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3760 |
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3761 |
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3764 |
lang=EN-US style='mso-bidi-font-size:18.0pt;font-family:Symbol;mso-fareast-font-family: |
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3765 |
Symbol;mso-bidi-font-family:Symbol;mso-ansi-language:EN-US'> |
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3766 |
style='mso-list:Ignore'>· |
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3767 |
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3768 |
style='mso-bidi-font-size:18.0pt;font-family:"Arial","sans-serif";mso-ansi-language: |
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3769 |
EN-US'>ebx = 1 - number of |
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3771 |
class=SpellE>subfunction |
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3772 |
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3773 |
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3776 |
lang=EN-US style='mso-bidi-font-size:18.0pt;font-family:Symbol;mso-fareast-font-family: |
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3777 |
Symbol;mso-bidi-font-family:Symbol;mso-ansi-language:EN-US'> |
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3778 |
style='mso-list:Ignore'>· |
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3779 |
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3780 |
style='mso-bidi-font-size:18.0pt;font-family:"Arial","sans-serif";mso-ansi-language: |
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3781 |
EN-US'>ecx sets the scale: each |
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3783 |
data byte defines (2 ^ scale) * (2 ^ scale) pixels |
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3784 |
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3785 |
Return value:
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3788 |
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3789 |
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3792 |
lang=EN-US style='mso-bidi-font-size:18.0pt;font-family:Symbol;mso-fareast-font-family: |
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3793 |
Symbol;mso-bidi-font-family:Symbol;mso-ansi-language:EN-US'> |
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3794 |
style='mso-list:Ignore'>· |
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3795 |
function does not |
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3797 |
return value |
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3798 |
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3799 |
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3802 |
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3803 |
Remarks:
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3806 |
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3807 |
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3810 |
lang=EN-US style='mso-bidi-font-size:18.0pt;font-family:Symbol;mso-fareast-font-family: |
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3811 |
Symbol;mso-bidi-font-family:Symbol;mso-ansi-language:EN-US'> |
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3812 |
style='mso-list:Ignore'>· |
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3813 |
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3814 |
lang=EN-US style='mso-bidi-font-size:18.0pt;font-family:"Arial","sans-serif"; |
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3815 |
mso-ansi-language:EN-US'>The default scale is 0 (scaling factor 1). If in the |
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3816 |
form data one byte corresponds to one pixel, then the scale can be not set. |
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3817 |
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3818 |
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3821 |
lang=EN-US style='mso-bidi-font-size:18.0pt;font-family:Symbol;mso-fareast-font-family: |
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3822 |
Symbol;mso-bidi-font-family:Symbol;mso-ansi-language:EN-US'> |
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3823 |
style='mso-list:Ignore'>· |
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3824 |
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3825 |
lang=EN-US style='mso-bidi-font-size:18.0pt;font-family:"Arial","sans-serif"; |
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3826 |
mso-ansi-language:EN-US'>Denote xsize = window width |
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3827 |
(in pixels), ysize = height; note that they are one |
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3828 |
more than those set by functions 0, 67. |
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3829 |
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3830 |
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3833 |
lang=EN-US style='mso-bidi-font-size:18.0pt;font-family:Symbol;mso-fareast-font-family: |
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3834 |
Symbol;mso-bidi-font-family:Symbol;mso-ansi-language:EN-US'> |
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3835 |
style='mso-list:Ignore'>· |
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3836 |
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3837 |
lang=EN-US style='mso-bidi-font-size:18.0pt;font-family:"Arial","sans-serif"; |
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3838 |
mso-ansi-language:EN-US'>By defining the scale, xsize |
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3839 |
and ysize should be divided by 2 ^ scale. |
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3840 |
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3841 |
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3844 |
lang=EN-US style='mso-bidi-font-size:18.0pt;font-family:Symbol;mso-fareast-font-family: |
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3845 |
Symbol;mso-bidi-font-family:Symbol;mso-ansi-language:EN-US'> |
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3846 |
style='mso-list:Ignore'>· |
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3847 |
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3848 |
lang=EN-US style='mso-bidi-font-size:18.0pt;font-family:"Arial","sans-serif"; |
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3849 |
mso-ansi-language:EN-US'>The data byte at offset a must be 0/1 and determines |
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3850 |
that the window has a square with a side of 2 ^ scale (with scale = 0 we get a |
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3851 |
pixel) and coordinates of the upper left corner (a mod (xsize |
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3852 |
shr scale), a div (xsize |
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3853 |
class=SpellE>shr scale)) |
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3854 |
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3855 |
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3858 |
lang=EN-US style='mso-bidi-font-size:18.0pt;font-family:Symbol;mso-fareast-font-family: |
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3859 |
Symbol;mso-bidi-font-family:Symbol;mso-ansi-language:EN-US'> |
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3860 |
style='mso-list:Ignore'>· |
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3861 |
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3862 |
lang=EN-US style='mso-bidi-font-size:18.0pt;font-family:"Arial","sans-serif"; |
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3863 |
mso-ansi-language:EN-US'>Data size: (xsize |
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3864 |
class=SpellE>shr scale) * (ysize |
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3865 |
class=SpellE>shr scale). |
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3866 |
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3867 |
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3870 |
lang=EN-US style='mso-bidi-font-size:18.0pt;font-family:Symbol;mso-fareast-font-family: |
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3871 |
Symbol;mso-bidi-font-family:Symbol;mso-ansi-language:EN-US'> |
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3872 |
style='mso-list:Ignore'>· |
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3873 |
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3874 |
lang=EN-US style='mso-bidi-font-size:18.0pt;font-family:"Arial","sans-serif"; |
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3875 |
mso-ansi-language:EN-US'>Data must be present in the memory and not change |
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3876 |
after setting the form. |
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3877 |
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3878 |
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3881 |
lang=EN-US style='mso-bidi-font-size:18.0pt;font-family:Symbol;mso-fareast-font-family: |
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3882 |
Symbol;mso-bidi-font-family:Symbol;mso-ansi-language:EN-US'> |
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3883 |
style='mso-list:Ignore'>· |
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3884 |
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3885 |
lang=EN-US style='mso-bidi-font-size:18.0pt;font-family:"Arial","sans-serif"; |
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3886 |
mso-ansi-language:EN-US'>The system views the form data every time the window |
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3887 |
is redrawn with function 0. |
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3888 |
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3889 |
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3892 |
lang=EN-US style='mso-bidi-font-size:18.0pt;font-family:Symbol;mso-fareast-font-family: |
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3893 |
Symbol;mso-bidi-font-family:Symbol;mso-ansi-language:EN-US'> |
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3894 |
style='mso-list:Ignore'>· |
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3895 |
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3896 |
lang=EN-US style='mso-bidi-font-size:18.0pt;font-family:"Arial","sans-serif"; |
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3897 |
mso-ansi-language:EN-US'>Calling subfunction 0 with a |
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3898 |
null pointer results in a return to a rectangular shape. |
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3899 |
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3900 |
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3903 |
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3904 |
Constants for registers:
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3907 |
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3908 |
eax
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3911 |
- SF_SET_WINDOW_SHAPE (50) |
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3914 |
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3915 |
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3916 |
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3917 |
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3918 |
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3919 |
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