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Save up to 50% on our desktop apps during our Year End Sale!Save up to 50% on our desktop apps during our Year End Sale, including DisplayFusion, ClipboardFusion, FileSeek, LogFusion, TrayStatus, and VoiceBot!Save up to 50% on our desktop apps during our Year End Sale!

Dim Specific Monitors

Description
This script will dim specific monitors as set in the script code. Set the list of monitor IDs you want to dim in the MonitorsToDim section on line 15. Run the script once to dim, and again to undim.
Language
C#.net
Minimum Version
Created By
Thomas Malloch (BFS)
Contributors
-
Date Created
Oct 13, 2017
Date Last Modified
Oct 13, 2017

Scripted Function (Macro) Code

using System;
using System.Drawing;
using System.Windows.Forms;
using System.Threading;
using System.Collections.Generic;

// The 'windowHandle' parameter will contain the window handle for the:
//   - Active window when run by hotkey
//   - Window Location target when run by a Window Location rule
//   - TitleBar Button owner when run by a TitleBar Button
//   - Jump List owner when run from a Taskbar Jump List
//   - Currently focused window if none of these match
public static class DisplayFusionFunction
{
	private static uint[] MonitorsToDim = new uint[]
	{
		1,
		3,
	};
	
	public static void Run(IntPtr windowHandle) {
        ToggleSetting(); // toggle the setting from run to not run, and vice versa

        var forms = new List<Form>();

		if(RunDimMonitor()) {
            //make a list of forms for each monitor
            //the second argument is the transparency
            foreach (uint monitor in BFS.Monitor.GetMonitorIDs()) {
				foreach(uint monitorToDim in MonitorsToDim){
                    if(monitor != monitorToDim)
                        continue;
                    
                    forms.Add(new TransparentForm(monitor, 30m));
                    break;
                }
            }
		
            //this will open the forms using our custom application context
            Application.Run(new MultipleFormApplicationContext(forms));
        }
    }

	private static readonly string SettingName = "DimMonitor_Run";

	//this function toggles the script settings from run to not run
	private static void ToggleSetting() {
		if(BFS.ScriptSettings.ReadValue(SettingName).Equals("run", StringComparison.Ordinal))
			BFS.ScriptSettings.WriteValue(SettingName, "not");
		else
			BFS.ScriptSettings.WriteValue(SettingName, "run");
	}

	//this function allows us to see the currect state of the script
	private static bool RunDimMonitor() {
		return BFS.ScriptSettings.ReadValue(SettingName).Equals("run", StringComparison.Ordinal);
	}
	
	//extend the ApplicationContext class to support opening multiple forms
	private class MultipleFormApplicationContext : ApplicationContext  {
		internal MultipleFormApplicationContext(List<Form> forms) {
			//add our closing event to each of the forms and open them
			foreach(Form form in forms) {
				form.FormClosed += OnFormClosed;
				form.Show();	
			}
		}

		//when all the forms close, make sure to exit the application
		private void OnFormClosed(object sender, EventArgs e) {
			if(Application.OpenForms.Count == 0)
				ExitThread();
		}
	}
	
	//extend the Form class to get the behavior we want
	private class TransparentForm : Form {
		private uint MonitorId;
		private decimal Transparency;
		
		internal TransparentForm(uint monitorId, decimal transparency) {
			MonitorId = monitorId;
			Transparency = transparency;

			SuspendLayout();

			//setup the layout of this form
			BackColor = Color.Black;
			FormBorderStyle = FormBorderStyle.None;
			ShowInTaskbar = false;

			//move the window over the desired monitor
			Rectangle bounds = BFS.Monitor.GetMonitorBoundsByID(MonitorId);
			
			Location = new Point(bounds.X,bounds.Y);
			Size = new Size(bounds.Width, bounds.Height);
			StartPosition = FormStartPosition.Manual;

			BFS.Window.SetAlwaysOnTop(Handle, true);
			BFS.Window.SetTransparency(Handle, this.Transparency);

			//setup the form load event
			Load += Form_Load;			
			
			ResumeLayout(false);
		}

		private void Form_Load(object sender, EventArgs e) {
			//add a windows style to the current style that will
			//tell this window to ignore user input
			uint style = (uint)BFS.Window.GetWindowStyleEx(Handle) | (uint)BFS.WindowEnum.WindowStyleEx.WS_EX_TRANSPARENT | (uint)BFS.WindowEnum.WindowStyleEx.WS_EX_LAYERED;
			BFS.Window.SetWindowStyleEx((BFS.WindowEnum.WindowStyleEx)style, Handle);

			//start up a thread to listen for an exit event
			new Thread(new ThreadStart(ExitListener)).Start();
		}
		
		private void ExitListener() {
			while(true) {
				//if we should close, tell the main thread to close the form
				if(!RunDimMonitor()) {
					try {
						Invoke((MethodInvoker) delegate { Close(); });
					}
					catch { //something went wrong, ignore
					}
						
					break;
				}
				
				//sleep for a quarter of a second
				BFS.General.ThreadWait(250);
			}
		}
	}
}