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Programmatically changed TAB key issue - c# window application


Programmatically changed TAB key issue - c# window application

By : uncle boog
Date : November 15 2020, 06:54 AM
This might help you I have set the "ENTER" key as a "TAB" key in windows form. , Just return true; after you send the Tab:
code :
    protected override bool ProcessCmdKey(ref Message msg, Keys keyData)
    {
        KeyEventArgs e = new KeyEventArgs(keyData);
        if (e.KeyCode == Keys.Enter)
        {
            SendKeys.Send("{TAB}");
            return true;
        }
        if (e.KeyCode == Keys.Escape)
        {
            this.Close();
        }
        return base.ProcessCmdKey(ref msg, keyData);
    }


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Cascade window programmatically using C# application

Cascade window programmatically using C# application


By : Vladimir Vena
Date : March 29 2020, 07:55 AM
With these it helps I'm programming c# application I have a parent form and others are childs I want to cascade all windows which are open as child form in my parent form how I can cascade windows or close all or minmize them I mean functionality for child window that can calls form parent window. , On a MDI Form:
code :
using System.Windows.Forms;

// cascade
this.LayoutMdi(MdiLayout.Cascade);

// close all
Form[] children = this.MdiChildren;
for (int i = 0; i < children.Length; i++) {
    children[i].Close();
}

// minimize all
foreach (Form child in this.MdiChildren) {
    child.WindowState = FormWindowState.Minimized;
}
Why doesn't the default XCode Window based application template create the window programmatically?

Why doesn't the default XCode Window based application template create the window programmatically?


By : Thivya Ganesan
Date : March 29 2020, 07:55 AM
This might help you If you look at your app delegate's header file, just beneath the @interface part, you see this:
code :
@property (nonatomic, retain) IBOutlet UIWindow *window;
WPF window application size get changed also when NoResize and Maximised

WPF window application size get changed also when NoResize and Maximised


By : Junzhe Miao
Date : March 29 2020, 07:55 AM
This might help you If you just set ResizeMode="NoResize", then the window can be resided by double click. I'm not sure if you can resize it by dragging mouse. dragging just moves the window.
anyway, You can set WindowStyle="None".
Detect active window changed using C# with a console application

Detect active window changed using C# with a console application


By : Brandon Wa
Date : March 29 2020, 07:55 AM
I wish this help you It can be changed to run as a console application with a few changes. Here is a working code.
code :
using System;
using System.Runtime.InteropServices;
using System.Text;
using System.Windows.Forms;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            dele = new WinEventDelegate(WinEventProc);
            IntPtr m_hhook = SetWinEventHook(EVENT_SYSTEM_FOREGROUND, EVENT_SYSTEM_FOREGROUND, IntPtr.Zero, dele, 0, 0, WINEVENT_OUTOFCONTEXT);
            Application.Run(); //<----
        }

        static WinEventDelegate dele = null; //STATIC

        delegate void WinEventDelegate(IntPtr hWinEventHook, uint eventType, IntPtr hwnd, int idObject, int idChild, uint dwEventThread, uint dwmsEventTime);

        [DllImport("user32.dll")]
        static extern IntPtr SetWinEventHook(uint eventMin, uint eventMax, IntPtr hmodWinEventProc, WinEventDelegate lpfnWinEventProc, uint idProcess, uint idThread, uint dwFlags);

        private const uint WINEVENT_OUTOFCONTEXT = 0;
        private const uint EVENT_SYSTEM_FOREGROUND = 3;

        [DllImport("user32.dll")]
        static extern IntPtr GetForegroundWindow();

        [DllImport("user32.dll")]
        static extern int GetWindowText(IntPtr hWnd, StringBuilder text, int count);

        private static string GetActiveWindowTitle() //STATIC
        {
            const int nChars = 256;
            IntPtr handle = IntPtr.Zero;
            StringBuilder Buff = new StringBuilder(nChars);
            handle = GetForegroundWindow();

            if (GetWindowText(handle, Buff, nChars) > 0)
            {
                return Buff.ToString();
            }
            return null;
        }

        public static void WinEventProc(IntPtr hWinEventHook, uint eventType, IntPtr hwnd, int idObject, int idChild, uint dwEventThread, uint dwmsEventTime) //STATIC
        {
            Console.WriteLine(GetActiveWindowTitle());
        }
    }
}
How to minimize Application window programmatically on UWP

How to minimize Application window programmatically on UWP


By : Douglas
Date : March 29 2020, 07:55 AM
will be helpful for those in need This is not supported today. Programmatic suspension is an item on our backlog that has not been scheduled/prioritized yet.
Please use UserVoice to submit and/or vote on the feature request. This existing item is probably the closest to your ask: https://wpdev.uservoice.com/forums/110705-universal-windows-platform/suggestions/18076333-allow-an-window-to-minimize-programatically
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