285 lines
16 KiB
C#
285 lines
16 KiB
C#
using Avalonia;
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using Avalonia.Controls;
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using Avalonia.Controls.ApplicationLifetimes;
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using LibationWinForms.AvaloniaUI.ViewModels.Dialogs;
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using LibationWinForms.AvaloniaUI.Views.Dialogs;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Threading.Tasks;
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namespace LibationWinForms.AvaloniaUI
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{
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public enum DialogResult
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{
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None = 0,
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OK = 1,
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Cancel = 2,
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Abort = 3,
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Retry = 4,
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Ignore = 5,
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Yes = 6,
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No = 7,
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TryAgain = 10,
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Continue = 11
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}
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public enum MessageBoxIcon
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{
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None = 0,
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Error = 16,
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Hand = 16,
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Stop = 16,
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Question = 32,
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Exclamation = 48,
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Warning = 48,
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Asterisk = 64,
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Information = 64
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}
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public enum MessageBoxButtons
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{
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OK,
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OKCancel,
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AbortRetryIgnore,
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YesNoCancel,
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YesNo,
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RetryCancel,
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CancelTryContinue
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}
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public enum MessageBoxDefaultButton
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{
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Button1,
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Button2 = 256,
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Button3 = 512,
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}
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public class MessageBox
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{
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/// <summary>Displays a message box with the specified text, caption, buttons, icon, and default button.</summary>
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/// <param name="text">The text to display in the message box.</param>
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/// <param name="caption">The text to display in the title bar of the message box.</param>
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/// <param name="buttons">One of the <see cref="T:System.Windows.Forms.MessageBoxButtons" /> values that specifies which buttons to display in the message box.</param>
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/// <param name="icon">One of the <see cref="T:System.Windows.Forms.MessageBoxIcon" /> values that specifies which icon to display in the message box.</param>
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/// <param name="defaultButton">One of the <see cref="T:System.Windows.Forms.MessageBoxDefaultButton" /> values that specifies the default button for the message box.</param>
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/// <returns>One of the <see cref="T:System.Windows.Forms.DialogResult" /> values.</returns>
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/// <exception cref="T:System.ComponentModel.InvalidEnumArgumentException">
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/// <paramref name="buttons" /> is not a member of <see cref="T:System.Windows.Forms.MessageBoxButtons" />.
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/// -or-
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/// <paramref name="icon" /> is not a member of <see cref="T:System.Windows.Forms.MessageBoxIcon" />.
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/// -or-
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/// <paramref name="defaultButton" /> is not a member of <see cref="T:System.Windows.Forms.MessageBoxDefaultButton" />.</exception>
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/// <exception cref="T:System.InvalidOperationException">An attempt was made to display the <see cref="T:System.Windows.Forms.MessageBox" /> in a process that is not running in User Interactive mode. This is specified by the <see cref="P:System.Windows.Forms.SystemInformation.UserInteractive" /> property.</exception>
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public static async Task<DialogResult> Show(string text, string caption, MessageBoxButtons buttons, MessageBoxIcon icon, MessageBoxDefaultButton defaultButton)
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{
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return await ShowCore(null, text, caption, buttons, icon, defaultButton);
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}
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/// <summary>Displays a message box with specified text, caption, buttons, and icon.</summary>
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/// <param name="text">The text to display in the message box.</param>
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/// <param name="caption">The text to display in the title bar of the message box.</param>
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/// <param name="buttons">One of the <see cref="T:System.Windows.Forms.MessageBoxButtons" /> values that specifies which buttons to display in the message box.</param>
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/// <param name="icon">One of the <see cref="T:System.Windows.Forms.MessageBoxIcon" /> values that specifies which icon to display in the message box.</param>
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/// <returns>One of the <see cref="T:System.Windows.Forms.DialogResult" /> values.</returns>
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/// <exception cref="T:System.ComponentModel.InvalidEnumArgumentException">The <paramref name="buttons" /> parameter specified is not a member of <see cref="T:System.Windows.Forms.MessageBoxButtons" />.
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/// -or-
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/// The <paramref name="icon" /> parameter specified is not a member of <see cref="T:System.Windows.Forms.MessageBoxIcon" />.</exception>
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/// <exception cref="T:System.InvalidOperationException">An attempt was made to display the <see cref="T:System.Windows.Forms.MessageBox" /> in a process that is not running in User Interactive mode. This is specified by the <see cref="P:System.Windows.Forms.SystemInformation.UserInteractive" /> property.</exception>
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public static async Task<DialogResult> Show(string text, string caption, MessageBoxButtons buttons, MessageBoxIcon icon)
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{
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return await ShowCore(null, text, caption, buttons, icon, MessageBoxDefaultButton.Button1);
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}
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/// <summary>Displays a message box with specified text, caption, and buttons.</summary>
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/// <param name="text">The text to display in the message box.</param>
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/// <param name="caption">The text to display in the title bar of the message box.</param>
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/// <param name="buttons">One of the <see cref="T:System.Windows.Forms.MessageBoxButtons" /> values that specifies which buttons to display in the message box.</param>
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/// <returns>One of the <see cref="T:System.Windows.Forms.DialogResult" /> values.</returns>
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/// <exception cref="T:System.ComponentModel.InvalidEnumArgumentException">The <paramref name="buttons" /> parameter specified is not a member of <see cref="T:System.Windows.Forms.MessageBoxButtons" />.</exception>
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/// <exception cref="T:System.InvalidOperationException">An attempt was made to display the <see cref="T:System.Windows.Forms.MessageBox" /> in a process that is not running in User Interactive mode. This is specified by the <see cref="P:System.Windows.Forms.SystemInformation.UserInteractive" /> property.</exception>
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public static async Task<DialogResult> Show(string text, string caption, MessageBoxButtons buttons)
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{
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return await ShowCore(null, text, caption, buttons, MessageBoxIcon.None, MessageBoxDefaultButton.Button1);
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}
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/// <summary>Displays a message box with specified text and caption.</summary>
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/// <param name="text">The text to display in the message box.</param>
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/// <param name="caption">The text to display in the title bar of the message box.</param>
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/// <returns>One of the <see cref="T:System.Windows.Forms.DialogResult" /> values.</returns>
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public static async Task<DialogResult> Show(string text, string caption)
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{
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return await ShowCore(null, text, caption, MessageBoxButtons.OK, MessageBoxIcon.None, MessageBoxDefaultButton.Button1);
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}
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/// <summary>Displays a message box with specified text.</summary>
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/// <param name="text">The text to display in the message box.</param>
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/// <returns>One of the <see cref="T:System.Windows.Forms.DialogResult" /> values.</returns>
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public static async Task<DialogResult> Show(string text)
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{
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return await ShowCore(null, text, string.Empty, MessageBoxButtons.OK, MessageBoxIcon.None, MessageBoxDefaultButton.Button1);
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}
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/// <summary>Displays a message box in front of the specified object and with the specified text, caption, buttons, icon, default button, and options.</summary>
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/// <param name="owner">An implementation of <see cref="T:System.Windows.Forms.IWin32Window" /> that will own the modal dialog box.</param>
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/// <param name="text">The text to display in the message box.</param>
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/// <param name="caption">The text to display in the title bar of the message box.</param>
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/// <param name="buttons">One of the <see cref="T:System.Windows.Forms.MessageBoxButtons" /> values that specifies which buttons to display in the message box.</param>
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/// <param name="icon">One of the <see cref="T:System.Windows.Forms.MessageBoxIcon" /> values that specifies which icon to display in the message box.</param>
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/// <param name="defaultButton">One of the <see cref="T:System.Windows.Forms.MessageBoxDefaultButton" /> values the specifies the default button for the message box.</param>
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/// <param name="options">One of the <see cref="T:System.Windows.Forms.MessageBoxOptions" /> values that specifies which display and association options will be used for the message box. You may pass in 0 if you wish to use the defaults.</param>
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/// <returns>One of the <see cref="T:System.Windows.Forms.DialogResult" /> values.</returns>
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/// <exception cref="T:System.ComponentModel.InvalidEnumArgumentException">
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/// <paramref name="buttons" /> is not a member of <see cref="T:System.Windows.Forms.MessageBoxButtons" />.
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/// -or-
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/// <paramref name="icon" /> is not a member of <see cref="T:System.Windows.Forms.MessageBoxIcon" />.
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/// -or-
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/// <paramref name="defaultButton" /> is not a member of <see cref="T:System.Windows.Forms.MessageBoxDefaultButton" />.</exception>
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/// <exception cref="T:System.InvalidOperationException">An attempt was made to display the <see cref="T:System.Windows.Forms.MessageBox" /> in a process that is not running in User Interactive mode. This is specified by the <see cref="P:System.Windows.Forms.SystemInformation.UserInteractive" /> property.</exception>
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/// <exception cref="T:System.ArgumentException">
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/// -or-
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/// <paramref name="buttons" /> specified an invalid combination of <see cref="T:System.Windows.Forms.MessageBoxButtons" />.</exception>
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public static async Task<DialogResult> Show(Window owner, string text, string caption, MessageBoxButtons buttons, MessageBoxIcon icon, MessageBoxDefaultButton defaultButton)
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{
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return await ShowCore(owner, text, caption, buttons, icon, defaultButton);
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}
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/// <summary>Displays a message box in front of the specified object and with the specified text, caption, buttons, and icon.</summary>
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/// <param name="owner">An implementation of <see cref="T:System.Windows.Forms.IWin32Window" /> that will own the modal dialog box.</param>
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/// <param name="text">The text to display in the message box.</param>
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/// <param name="caption">The text to display in the title bar of the message box.</param>
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/// <param name="buttons">One of the <see cref="T:System.Windows.Forms.MessageBoxButtons" /> values that specifies which buttons to display in the message box.</param>
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/// <param name="icon">One of the <see cref="T:System.Windows.Forms.MessageBoxIcon" /> values that specifies which icon to display in the message box.</param>
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/// <returns>One of the <see cref="T:System.Windows.Forms.DialogResult" /> values.</returns>
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/// <exception cref="T:System.ComponentModel.InvalidEnumArgumentException">
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/// <paramref name="buttons" /> is not a member of <see cref="T:System.Windows.Forms.MessageBoxButtons" />.
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/// -or-
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/// <paramref name="icon" /> is not a member of <see cref="T:System.Windows.Forms.MessageBoxIcon" />.</exception>
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/// <exception cref="T:System.InvalidOperationException">An attempt was made to display the <see cref="T:System.Windows.Forms.MessageBox" /> in a process that is not running in User Interactive mode. This is specified by the <see cref="P:System.Windows.Forms.SystemInformation.UserInteractive" /> property.</exception>
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public static async Task<DialogResult> Show(Window owner, string text, string caption, MessageBoxButtons buttons, MessageBoxIcon icon)
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{
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return await ShowCore(owner, text, caption, buttons, icon, MessageBoxDefaultButton.Button1);
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}
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/// <summary>Displays a message box in front of the specified object and with the specified text, caption, and buttons.</summary>
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/// <param name="owner">An implementation of <see cref="T:System.Windows.Forms.IWin32Window" /> that will own the modal dialog box.</param>
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/// <param name="text">The text to display in the message box.</param>
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/// <param name="caption">The text to display in the title bar of the message box.</param>
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/// <param name="buttons">One of the <see cref="T:System.Windows.Forms.MessageBoxButtons" /> values that specifies which buttons to display in the message box.</param>
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/// <returns>One of the <see cref="T:System.Windows.Forms.DialogResult" /> values.</returns>
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/// <exception cref="T:System.ComponentModel.InvalidEnumArgumentException">
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/// <paramref name="buttons" /> is not a member of <see cref="T:System.Windows.Forms.MessageBoxButtons" />.</exception>
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/// <exception cref="T:System.InvalidOperationException">An attempt was made to display the <see cref="T:System.Windows.Forms.MessageBox" /> in a process that is not running in User Interactive mode. This is specified by the <see cref="P:System.Windows.Forms.SystemInformation.UserInteractive" /> property.</exception>
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public static async Task<DialogResult> Show(Window owner, string text, string caption, MessageBoxButtons buttons)
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{
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return await ShowCore(owner, text, caption, buttons, MessageBoxIcon.None, MessageBoxDefaultButton.Button1);
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}
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/// <summary>Displays a message box in front of the specified object and with the specified text and caption.</summary>
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/// <param name="owner">An implementation of <see cref="T:System.Windows.Forms.IWin32Window" /> that will own the modal dialog box.</param>
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/// <param name="text">The text to display in the message box.</param>
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/// <param name="caption">The text to display in the title bar of the message box.</param>
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/// <returns>One of the <see cref="T:System.Windows.Forms.DialogResult" /> values.</returns>
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public static async Task<DialogResult> Show(Window owner, string text, string caption)
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{
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return await ShowCore(owner, text, caption, MessageBoxButtons.OK, MessageBoxIcon.None, MessageBoxDefaultButton.Button1);
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}
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/// <summary>Displays a message box in front of the specified object and with the specified text.</summary>
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/// <param name="owner">An implementation of <see cref="T:System.Windows.Forms.IWin32Window" /> that will own the modal dialog box.</param>
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/// <param name="text">The text to display in the message box.</param>
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/// <returns>One of the <see cref="T:System.Windows.Forms.DialogResult" /> values.</returns>
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public static async Task<DialogResult> Show(Window owner, string text)
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{
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return await ShowCore(owner, text, string.Empty, MessageBoxButtons.OK, MessageBoxIcon.None, MessageBoxDefaultButton.Button1);
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}
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private static async Task<DialogResult> ShowCore(Window owner, string message, string caption, MessageBoxButtons buttons, MessageBoxIcon icon, MessageBoxDefaultButton defaultButton)
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{
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if (Avalonia.Threading.Dispatcher.UIThread.CheckAccess())
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return await ShowCore2(owner, message, caption, buttons, icon, defaultButton);
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else
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return await Avalonia.Threading.Dispatcher.UIThread.InvokeAsync(() => ShowCore2(owner, message, caption, buttons, icon, defaultButton));
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}
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private static async Task<DialogResult> ShowCore2(Window owner, string message, string caption, MessageBoxButtons buttons, MessageBoxIcon icon, MessageBoxDefaultButton defaultButton)
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{
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var dialog = new MessageBoxWindow();
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var vm = new MessageBoxViewModel(message, caption, buttons, icon, defaultButton);
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dialog.DataContext = vm;
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dialog.CanResize = false;
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var thisScreen = (owner ?? dialog).Screens.ScreenFromVisual(owner ?? dialog);
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var tbx = dialog.FindControl<TextBlock>("messageTextBlock");
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tbx.Text = message;
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var maxSize = new Size(0.6 * thisScreen.Bounds.Width - 72, 0.9 * thisScreen.Bounds.Height);
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var desiredMax = maxSize;
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//Try to minimize the TextBlock area.
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List<(double, Size)> areas = new();
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for (int i = 0; i < 20; i++)
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{
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tbx.Measure(desiredMax);
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var area = tbx.DesiredSize.Width * tbx.DesiredSize.Height;
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areas.Add((area, new Size(tbx.DesiredSize.Width, tbx.DesiredSize.Height)));
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if (tbx.DesiredSize.Height < maxSize.Height - 20)
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{
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if (desiredMax.Width / 2 < tbx.MinWidth)
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desiredMax = new Size(desiredMax.Width * 1.5 + 1, desiredMax.Height);
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else
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desiredMax = new Size(desiredMax.Width / 2, desiredMax.Height);
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}
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}
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var min = areas.Min(a => a.Item1);
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var mindim = areas.First(a => a.Item1 == min);
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var desiredSize = new Size(dialog.MinWidth - tbx.MinWidth + mindim.Item2.Width, dialog.MinHeight - tbx.MinHeight + mindim.Item2.Height);
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dialog.Width = desiredSize.Width;
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dialog.Height = desiredSize.Height;
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tbx.Width = mindim.Item2.Width;
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tbx.Height = mindim.Item2.Height;
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if (owner is null)
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{
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if (Application.Current.ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
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{
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return await dialog.ShowDialog<DialogResult>(desktop.MainWindow);
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}
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else
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{
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var window = new Window
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{
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IsVisible = false,
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Height = 1,
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Width = 1,
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SystemDecorations = SystemDecorations.None,
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ShowInTaskbar = false
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};
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window.Show();
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var result = await dialog.ShowDialog<DialogResult>(window);
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window.Close();
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return result;
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}
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}
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else
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{
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return await dialog.ShowDialog<DialogResult>(owner);
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}
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}
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}
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}
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