Change screen resolution
[Local external function declaration]
FUNCTION long ChangeDisplaySettingsA (ref devmode lpst, ulong Flags) &
LIBRARY "USER32.DLL"
[structure definition, devmode]
character dmdevicename[32]
integer dmspecversion
integer dmdriverversion
integer dmsize
integer dmdriverextra
long dmfields
integer dmorientation
integer dmpapersize
integer dmpaperlength
integer dmpaperwidth
integer dmscale
integer dmdefaultsource
integer dmprintquality
integer dmcolor
integer dmduplex
integer dmresolution
integer dmttoption
integer dmcollate
character dmformname[32]
integer dmlogpixels
long dmbitsperpel
long dmpelswidth
long dmpelsheight
long dmdisplayflags
long dmdisplayfrequency
long dmicmmethod
long dmicmintent
long dmmediatype
long dmdithertype
long dmreserved1
long dmreserved2
[Instance variable declaration]
Ulong CDS_FORCE = 8*16*16*16*16*16*16*16
long DM_BITSPERPEL_H = 4*16*16*16*16
long DM_PELSWIDTH_H = 8*16*16*16*16
long DM_PELSHEIGHT_H = 16*16*16*16*16
long DM_DISPLAYFLAGS_H = 2*16*16*16*16*16
[powerscript to switch to 800x600]
devmode dm
long a
environment env
integer ii_ScreenWidth,ii_ScreenHeight
double WRadio,HRadio,Radio
integer ii_WinBolderWidth,ii_WinBolderHeight
getenvironment(env)
ii_WinBolderWidth=this.width - this.WorkSpaceWidth()//取得窗体的边框宽度
ii_WinBolderHeight=this.height - this.WorkSpaceHeight()
ii_ScreenWidth=env.screenwidth
ii_ScreenHeight=env.screenheight
//compute the radio that need be resize
WRadio=ii_ScreenWidth/800 //标准认为屏幕分辨率为800*600
HRadio=ii_ScreenHeight/600//计算出屏幕相对800*600分辨率的变化量
Radio=Min(WRadio,HRadio)
if Radio=1.0 then //if the screen is default 800*600
return 0
end if
this.hide()
this.width=(this.width - ii_WinBolderWidth)*Radio + ii_WinBolderWidth
this.height=(this.height - ii_WinBolderHeight)*Radio + ii_WinBolderHeight
integer i
dragobject temp//用于取各种控件
for i=1 to upperbound(this.control)
temp=this.control[i]//调整大小,位置
temp.width=temp.width*Radio
temp.x=temp.x*Radio
temp.y=temp.y*Radio
temp.Height=temp.Height*Radio
choose case typeof(temp)
case tab!
tab mtab
mtab=temp
mtab.textsize = mtab.textsize*Radio//设置字体
case commandbutton!
commandbutton cb
cb = temp
cb.textsize = cb.textsize*Radio
case singlelineedit!
singlelineedit sle
sle = temp
sle.textsize=sle.textsize*Radio
case editmask!
editmask em
em = temp
em.textsize = em.textsize*Radio
case statictext!
statictext st
st = temp
st.textsize = st.textsize*Radio
case datawindow! // datawindows get zoomed
datawindow dw
dw = temp
dw.Object.DataWindow.zoom = string(int(Radio*100))//注意DATAWINDOW与其它控件的不同
case picturebutton!
picturebutton pb
pb = temp
pb.textsize = pb.textsize*Radio
case checkbox!
checkbox cbx
cbx = temp
cbx.textsize = cbx.textsize*Radio
case dropdownlistbox!
dropdownlistbox ddlb
ddlb = temp
ddlb.textsize = ddlb.textsize*Radio
case groupbox!
groupbox gb
gb = temp
gb.textsize = gb.textsize*Radio
case listbox!
listbox lb
lb = temp
lb.textsize = lb.textsize*Radio
case multilineedit!
multilineedit mle
mle = temp
mle.textsize = mle.textsize*Radio
case radiobutton!
radiobutton rb
rb = temp
rb.textsize = rb.textsize*Radio