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Ingy döt Net 2023-07-01 11:58:00 -04:00
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Task/GUI-Maximum-window-dimensions/FreeBASIC/gui-maximum-window-dimensions.basic Normal file
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' FB 1.05.0 Win64
' Using SystemParametersInfo function in Win32 API
Dim As Any Ptr library = DyLibLoad("user32")
Dim Shared SystemParametersInfo As Function (ByVal As ULong, ByVal As ULong, ByVal As Any Ptr, ByVal As ULong) As Long
SystemParametersInfo = DyLibSymbol(library, "SystemParametersInfoA")
Type Rect
As Long left, top, right, bottom
End Type
#Define SPI_GETWORKAREA &H30
Dim r As Rect
SystemParametersInfo(SPI_GETWORKAREA, 0, @r, 0)
DyLibFree(library)
Print "Maximum usable desktop area : W" ; r.right - r.left; " x H"; r.bottom - r.top; " pixels"
Print
Print "Press any key to quit"
Sleep