Files

130 lines
3.2 KiB
C#

using System;
using System.Linq;
using System.Runtime.InteropServices;
using System.Runtime.Remoting.Contexts;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;
using System.Windows.Interop;
using WxOrder.Framework.Commons;
using WxOrder.Framework.Commons.Dialogs;
namespace WxOrder.Framework.Commons
{
/// <summary>
/// DialogWindow.xaml 的交互逻辑
/// </summary>
public partial class DialogWindow : Window, IDialogWindow
{
private readonly Style dialogWindowStyle;
private bool isConstructorSuccessful = false;
private UserControl _content;
public DialogWindow(Window owner = null)
{
InitializeComponent();
Owner = owner ?? Application.Current.MainWindow;
isConstructorSuccessful = true;
dialogWindowStyle = (Style)TryFindResource("DialogWindowStyle");
Loaded += DialogWindow_Loaded;
}
private void DialogWindow_Loaded(object sender, RoutedEventArgs e)
{
Loaded -= DialogWindow_Loaded;
}
protected override void OnContentChanged(object oldContent, object newContent)
{
this.Style = dialogWindowStyle;
if (newContent is System.Windows.Controls.UserControl control)
{
_content = control;
Setter widthSetter = this.Style.Setters.OfType<Setter>().FirstOrDefault(a => a.Property == WidthProperty);
if (widthSetter == null)
{
if (double.IsNaN(control.Width))
{
this.Width = DialogWindowProperty.GetWidth(control);
}
else
{
this.Width = control.Width;
control.Width = double.NaN;
}
}
Setter heightSetter = this.Style.Setters.OfType<Setter>().FirstOrDefault(a => a.Property == HeightProperty);
if (heightSetter == null)
{
if (double.IsNaN(control.Height))
{
this.Height = DialogWindowProperty.GetHeight(control);
}
else
{
this.Height = control.Height;
control.Height = double.NaN;
}
}
ResizeMode resizeExt = DialogWindowProperty.GetResizeMode(control);
if (resizeExt != ResizeMode.CanResize)
{
this.ResizeMode = resizeExt;
}
WindowStyle wstyleExt = DialogWindowProperty.GetWindowStyle(control);
if (wstyleExt != WindowStyle.SingleBorderWindow)
{
this.WindowStyle = wstyleExt;
}
}
base.OnContentChanged(oldContent, newContent);
}
protected override void OnStyleChanged(Style oldStyle, Style newStyle)
{
if (newStyle.TargetType == typeof(Window))
{
if (isConstructorSuccessful)
{
//dialogWindowStyle.Merge(newStyle);
}
return;
}
base.OnStyleChanged(oldStyle, newStyle);
}
#region ShowMiniButton
private const int GWL_STYLE = -16;
private const int WS_MINIMIZEBOX = 0x00020000;
public IDialogResult Result { get; set; }
[DllImport("user32.dll")]
private static extern int GetWindowLong(IntPtr hWnd, int nIndex);
[DllImport("user32.dll")]
private static extern int SetWindowLong(IntPtr hWnd, int nIndex, int dwNewLong);
protected override void OnSourceInitialized(EventArgs e)
{
base.OnSourceInitialized(e);
var hwnd = new WindowInteropHelper(this).Handle;
int style = GetWindowLong(hwnd, GWL_STYLE);
style &= ~WS_MINIMIZEBOX;
if (DialogWindowProperty.GetShowMinButton(this._content) == false)
{
SetWindowLong(hwnd, GWL_STYLE, style);
}
}
#endregion
}
}