SystemParametersinfo 用法

var

  BmpPath: PChar;

begin

  BmpPath := 'C:\Temp\Test.bmp';

  SystemParametersInfo(SPI_SETDESKWALLPAPER, 0, BmpPath, SPIF_UPDATEINIFILE);

end;





函数原型

BOOL WINAPI SystemParametersInfo(

  _In_     UINT uiAction,

  _In_     UINT uiParam,

  _Inout_  PVOID pvParam,

  _In_     UINT fWinIni

);









SPI_GETBEEP                   = 1;     {} 

SPI_SETBEEP                   = 2;     {}

SPI_GETMOUSE                  = 3;     {}

SPI_SETMOUSE                  = 4;     {}

SPI_GETBORDER                 = 5;     {}

SPI_SETBORDER                 = 6;     {}

SPI_GETKEYBOARDSPEED          = 10;    {}

SPI_SETKEYBOARDSPEED          = 11;    {}

SPI_LANGDRIVER                = 12;    {}

SPI_ICONHORIZONTALSPACING     = 13;    {}

SPI_GETSCREENSAVETIMEOUT      = 14;    {}

SPI_SETSCREENSAVETIMEOUT      = 15;    {}

SPI_GETSCREENSAVEACTIVE       = $10;   {}

SPI_SETSCREENSAVEACTIVE       = 17;    {}

SPI_GETGRIDGRANULARITY        = 18;    {}

SPI_SETGRIDGRANULARITY        = 19;    {}

SPI_SETDESKWALLPAPER          = 20;    {}

SPI_SETDESKPATTERN            = 21;    {}

SPI_GETKEYBOARDDELAY          = 22;    {}

SPI_SETKEYBOARDDELAY          = 23;    {}

SPI_ICONVERTICALSPACING       = 24;    {}

SPI_GETICONTITLEWRAP          = 25;    {}

SPI_SETICONTITLEWRAP          = 26;    {}

SPI_GETMENUDROPALIGNMENT      = 27;    {}

SPI_SETMENUDROPALIGNMENT      = 28;    {}

SPI_SETDOUBLECLKWIDTH         = 29;    {}

SPI_SETDOUBLECLKHEIGHT        = 30;    {}

SPI_GETICONTITLELOGFONT       = 31;    {}

SPI_SETDOUBLECLICKTIME        = $20;   {}

SPI_SETMOUSEBUTTONSWAP        = 33;    {}

SPI_SETICONTITLELOGFONT       = 34;    {}

SPI_GETFASTTASKSWITCH         = 35;    {}

SPI_SETFASTTASKSWITCH         = 36;    {}

SPI_SETDRAGFULLWINDOWS        = 37;    {}

SPI_GETDRAGFULLWINDOWS        = 38;    {}

SPI_GETNONCLIENTMETRICS       = 41;    {}

SPI_SETNONCLIENTMETRICS       = 42;    {}

SPI_GETMINIMIZEDMETRICS       = 43;    {}

SPI_SETMINIMIZEDMETRICS       = 44;    {}

SPI_GETICONMETRICS            = 45;    {}

SPI_SETICONMETRICS            = 46;    {}

SPI_SETWORKAREA               = 47;    {}

SPI_GETWORKAREA               = 48;    {}

SPI_SETPENWINDOWS             = 49;    {}

SPI_GETHIGHCONTRAST           = 66;    {}

SPI_SETHIGHCONTRAST           = 67;    {}

SPI_GETKEYBOARDPREF           = 68;    {}

SPI_SETKEYBOARDPREF           = 69;    {}

SPI_GETSCREENREADER           = 70;    {}

SPI_SETSCREENREADER           = 71;    {}

SPI_GETANIMATION              = 72;    {}

SPI_SETANIMATION              = 73;    {}

SPI_GETFONTSMOOTHING          = 74;    {}

SPI_SETFONTSMOOTHING          = 75;    {}

SPI_SETDRAGWIDTH              = 76;    {}

SPI_SETDRAGHEIGHT             = 77;    {}

SPI_SETHANDHELD               = 78;    {}

SPI_GETLOWPOWERTIMEOUT        = 79;    {}

SPI_GETPOWEROFFTIMEOUT        = 80;    {}

SPI_SETLOWPOWERTIMEOUT        = 81;    {}

SPI_SETPOWEROFFTIMEOUT        = 82;    {}

SPI_GETLOWPOWERACTIVE         = 83;    {}

SPI_GETPOWEROFFACTIVE         = 84;    {}

SPI_SETLOWPOWERACTIVE         = 85;    {}

SPI_SETPOWEROFFACTIVE         = 86;    {}

SPI_SETCURSORS                = 87;    {}

SPI_SETICONS                  = 88;    {}

SPI_GETDEFAULTINPUTLANG       = 89;    {}

SPI_SETDEFAULTINPUTLANG       = 90;    {}

SPI_SETLANGTOGGLE             = 91;    {}

SPI_GETWINDOWSEXTENSION       = 92;    {}

SPI_SETMOUSETRAILS            = 93;    {}

SPI_GETMOUSETRAILS            = 94;    {}

SPI_SCREENSAVERRUNNING        = 97;    {}

SPI_GETFILTERKEYS             = 50;    {}

SPI_SETFILTERKEYS             = 51;    {}

SPI_GETTOGGLEKEYS             = 52;    {}

SPI_SETTOGGLEKEYS             = 53;    {}

SPI_GETMOUSEKEYS              = 54;    {}

SPI_SETMOUSEKEYS              = 55;    {}

SPI_GETSHOWSOUNDS             = 56;    {}

SPI_SETSHOWSOUNDS             = 57;    {}

SPI_GETSTICKYKEYS             = 58;    {}

SPI_SETSTICKYKEYS             = 59;    {}

SPI_GETACCESSTIMEOUT          = 60;    {}

SPI_SETACCESSTIMEOUT          = 61;    {}

SPI_GETSERIALKEYS             = 62;    {}

SPI_SETSERIALKEYS             = 63;    {}

SPI_GETSOUNDSENTRY            = 64;    {}

SPI_SETSOUNDSENTRY            = 65;    {}

SPI_GETSNAPTODEFBUTTON        = 95;    {}

SPI_SETSNAPTODEFBUTTON        = 96;    {}

SPI_GETMOUSEHOVERWIDTH        = 98;    {}

SPI_SETMOUSEHOVERWIDTH        = 99;    {}

SPI_GETMOUSEHOVERHEIGHT       = 100;   {}

SPI_SETMOUSEHOVERHEIGHT       = 101;   {}

SPI_GETMOUSEHOVERTIME         = 102;   {}

SPI_SETMOUSEHOVERTIME         = 103;   {}

SPI_GETWHEELSCROLLLINES       = 104;   {}

SPI_SETWHEELSCROLLLINES       = 105;   {}

SPI_GETMENUSHOWDELAY          = 106;   {}

SPI_SETMENUSHOWDELAY          = 107;   {}

SPI_GETSHOWIMEUI              = 110;   {}

SPI_SETSHOWIMEUI              = 111;   {}

SPI_GETMOUSESPEED             = 112;   {}

SPI_SETMOUSESPEED             = 113;   {}

SPI_GETSCREENSAVERRUNNING     = 114;   {}

SPI_GETACTIVEWINDOWTRACKING   = $1000; {}

SPI_SETACTIVEWINDOWTRACKING   = $1001; {}

SPI_GETMENUANIMATION          = $1002; {}

SPI_SETMENUANIMATION          = $1003; {}

SPI_GETCOMBOBOXANIMATION      = $1004; {}

SPI_SETCOMBOBOXANIMATION      = $1005; {}

SPI_GETLISTBOXSMOOTHSCROLLING = $1006; {}

SPI_SETLISTBOXSMOOTHSCROLLING = $1007; {}

SPI_GETGRADIENTCAPTIONS       = $1008; {}

SPI_SETGRADIENTCAPTIONS       = $1009; {}

SPI_GETKEYBOARDCUES           = $100A; {}

SPI_SETKEYBOARDCUES           = $100B; {}

SPI_GETMENUUNDERLINES = SPI_GETKEYBOARDCUES;

SPI_SETMENUUNDERLINES = SPI_SETKEYBOARDCUES;

SPI_GETACTIVEWNDTRKZORDER     = $100C; {}

SPI_SETACTIVEWNDTRKZORDER     = $100D; {}

SPI_GETHOTTRACKING            = $100E; {}

SPI_SETHOTTRACKING            = $100F; {}

SPI_GETMENUFADE               = $1012; {}

SPI_SETMENUFADE               = $1013; {}

SPI_GETSELECTIONFADE          = $1014; {}

SPI_SETSELECTIONFADE          = $1015; {}

SPI_GETTOOLTIPANIMATION       = $1016; {}

SPI_SETTOOLTIPANIMATION       = $1017; {}

SPI_GETTOOLTIPFADE            = $1018; {}

SPI_SETTOOLTIPFADE            = $1019; {}

SPI_GETCURSORSHADOW           = $101A; {}

SPI_SETCURSORSHADOW           = $101B; {}

SPI_GETMOUSESONAR             = $101C; {}

SPI_SETMOUSESONAR             = $101D; {}

SPI_GETMOUSECLICKLOCK         = $101E; {}

SPI_SETMOUSECLICKLOCK         = $101F; {}

SPI_GETMOUSEVANISH            = $1020; {}

SPI_SETMOUSEVANISH            = $1021; {}

SPI_GETFLATMENU               = $1022; {}

SPI_SETFLATMENU               = $1023; {}

SPI_GETDROPSHADOW             = $1024; {}

SPI_SETDROPSHADOW             = $1025; {}

SPI_GETUIEFFECTS              = $103E; {}

SPI_SETUIEFFECTS              = $103F; {}

SPI_GETFOREGROUNDLOCKTIMEOUT  = $2000; {}

SPI_SETFOREGROUNDLOCKTIMEOUT  = $2001; {}

SPI_GETACTIVEWNDTRKTIMEOUT    = $2002; {}

SPI_SETACTIVEWNDTRKTIMEOUT    = $2003; {}

SPI_GETFOREGROUNDFLASHCOUNT   = $2004; {}

SPI_SETFOREGROUNDFLASHCOUNT   = $2005; {}

SPI_GETCARETWIDTH             = $2006; {}

SPI_SETCARETWIDTH             = $2007; {}

SPI_GETMOUSECLICKLOCKTIME     = $2008; {}

SPI_SETMOUSECLICKLOCKTIME     = $2009; {}

SPI_GETFONTSMOOTHINGTYPE      = $200A; {}

SPI_SETFONTSMOOTHINGTYPE      = $200B; {}



SPIF_UPDATEINIFILE    = 1; {}

SPIF_SENDWININICHANGE = 2; {}

SPIF_SENDCHANGE       = SPIF_SENDWININICHANGE;

 

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