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Hi How to set my wpf window as no movable when it is clicked and dragged using mouse?
Posted
Updated 1-Sep-22 2:35am

Try intercepting the calls, like this;

C#
using System;
using System.Windows;
using System.Windows.Interop;

namespace WpfApplication23
{
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
            SourceInitialized += Window1_SourceInitialized;
        }

        private void Window1_SourceInitialized(object sender, EventArgs e)
        {
            WindowInteropHelper helper = new WindowInteropHelper(this);
            HwndSource source = HwndSource.FromHwnd(helper.Handle);
            source.AddHook(WndProc);
        }


        private IntPtr WndProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled)
        {
            const int WM_SYSCOMMAND = 0x0112;
            const int SC_MOVE = 0xF010;

            switch (msg)
            {
                case WM_SYSCOMMAND:
                    int command = wParam.ToInt32() & 0xfff0;
                    if (command == SC_MOVE)
                    {
                        handled = true;
                    }
                    break;
                default:
                    break;
            }
            return IntPtr.Zero;
        }
    }
}


Hope this helps,
Fredrik
 
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v2
Comments
Red Chocolate 7-Nov-12 22:28pm    
ya thanks but i need the title bar also
Fredrik Bornander 8-Nov-12 4:29am    
Right, check the new suggestion, it handles the scenario while still allowing you to use any window style.
add this to your window Xaml ResizeMode="NoResize" this will disable the user from resizing the window as for the moving im not sure.

Found it add IsDraggingOrResizing="False" this should do the trick!

Wait sorry nevermind. This is only for DevExpress Windows...
 
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v3
Thanks @Fredrick for the codes, however, just to mention, I noticed that using the ResizeMode = "NoResize" disables the minimize button, and you might not want that
 
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Comments
CHill60 1-Sep-22 9:17am    
If you want to comment on a solution then use the "Have a Question or Comment?" link next to it. It is highly unlikely that Fredrick will see your post

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