Date: 02-16-2022
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created by gbSnippets
'Sometimes you need to clear the wallpaper - for aesthetic reasons or to make desktop
'icons more visible. Regardless of the reason, the SystemParametersInfo API will do it.
'Primary Code:
'The API requires a variable containing the name of the file to use for setting the
'wallpaper. Pass an empty string and the current desktop image will be removed.
Local temp$
SystemParametersInfo(%SPI_SETDESKWALLPAPER, 0, temp$, %SPIF_SENDCHANGE);
'Compilable Example: (Jose Includes)
#Compiler PBWin 9, PBWin 10
#Compile EXE
#Dim All
%Unicode=1
#Include "Win32API.inc"
Global hDlg As Dword
Function PBMain() As Long
Dialog New Pixels, 0, "Dialog Capture",300,300,200,200, %WS_OverlappedWindow To hDlg
Control Add Button, hDlg, 100,"Push", 50,10,100,20
Dialog Show Modal hDlg Call DlgProc
End Function
CallBack Function DlgProc() As Long
If CB.Msg = %WM_Command AND CB.Ctl = 100 AND CB.Ctlmsg = %BN_Clicked Then
Local temp$
SystemParametersInfo(%SPI_SETDESKWALLPAPER, 0&, temp$, %SPIF_SENDCHANGE)
End If
End Function
'gbs_00378
'Date: 03-10-2012
http://www.garybeene.com/sw/gbsnippets.htm