56 lines
1.5 KiB
C#
56 lines
1.5 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Runtime.InteropServices;
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using System.Windows.Forms;
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using System.Windows.Threading;
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using System.Windows;
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using System.Windows.Interop;
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namespace Switch_Toolbox.Library.Forms
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{
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public static class NoneBlockingDialog
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{
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private static DispatcherFrame frame;
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private static void closeHandler(object sender, EventArgs args)
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{
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frame.Continue = false;
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}
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public static DialogResult ShowDialogNonBlocking(this Form window, Form ownder)
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{
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frame = new DispatcherFrame();
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try
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{
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SetNativeEnabled(ownder.Handle, false);
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window.Closed += closeHandler;
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window.Show();
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Dispatcher.PushFrame(frame);
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}
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finally
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{
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window.Closed -= closeHandler;
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SetNativeEnabled(ownder.Handle, true);
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}
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return window.DialogResult;
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}
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const int GWL_STYLE = -16;
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const int WS_DISABLED = 0x08000000;
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[DllImport("user32.dll")]
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static extern int GetWindowLong(IntPtr hWnd, int nIndex);
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[DllImport("user32.dll")]
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static extern int SetWindowLong(IntPtr hWnd, int nIndex, int dwNewLong);
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static void SetNativeEnabled(IntPtr hWnd, bool enabled)
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{
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SetWindowLong(hWnd, GWL_STYLE, GetWindowLong(hWnd, GWL_STYLE) & ~WS_DISABLED | (enabled ? 0 : WS_DISABLED));
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}
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}
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}
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