public static uint GetMonitorCount(DesktopWallpaperClass wp)
{
uint al = (uint)Screen.AllScreens.Length;
uint wl = wp.GetMonitorDevicePathCount();
return(Math.Min(al, wl));
}
public WallpaperTool()
{
var dwc = new DesktopWallpaperClass();
_wallpaper = (IDesktopWallpaper)dwc;
_enable = true;
}
static void MainMain(string[] args)
{
if (args.Length < 1)
{
Options.Usage();
return;
}
if (!Options.ParseArgs(args))
{
return;
}
switch (Options.SelectedAction)
{
case PickAction.Wallpaper: {
using (var wp = new DesktopWallpaperClass()) {
ChangeBackground(wp);
}; break;
}
// case PickAction.Download:
// DownloadWallpaper();
// break;
case PickAction.Info:
ShowInfo();
break;
#if DEBUG
case PickAction.Test:
Test();
break;
#endif
}
}
static void ChangeBackground(DesktopWallpaperClass wp)
{
uint dcount = Helpers.GetMonitorCount(wp);
if (dcount < 1)
{
Log.NoMonitors();
return;
}
if (!FillPlan(dcount, out string[] thePlan))
static bool SelectMonitor(PickMonitor pickMon)
{
var all = Screen.AllScreens;
for (int m = 0; m < all.Length; m++)
{
if (pickMon == PickMonitor.Primary && all[m].Primary)
{
MonitorId = all[m].DeviceName;
pickMon = (PickMonitor)(m + 1); //use the real value now
break;
}
if ((int)pickMon - 1 == m)
{
//only setting this to indicate that we found something
MonitorId = all[m].DeviceName;
}
}
if (MonitorId == null)
{
Log.MonitorInvalid(pickMon);
return(false);
}
using (var wp = new DesktopWallpaperClass()) {
uint dcount = Helpers.GetMonitorCount(wp);
for (uint m = 0; m < dcount; m++)
{
string dname = wp.GetMonitorDevicePathAt(m);
int dnum = wp.GetMonitorNumber(dname); // undocumented :-o
if (dnum < 1 || dnum > dcount)
{
Log.InvalidMonitorNum(dnum);
return(false);
}
if (dnum == (int)pickMon)
{
MonitorId = dname;
break;
}
}
}
return(true);
}
