// COPYRIGHT (C) Tom. ALL RIGHTS RESERVED.
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// THE AntdUI PROJECT IS AN WINFORM LIBRARY LICENSED UNDER THE Apache-2.0 License.
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// LICENSED UNDER THE Apache License, VERSION 2.0 (THE "License")
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// YOU MAY NOT USE THIS FILE EXCEPT IN COMPLIANCE WITH THE License.
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// YOU MAY OBTAIN A COPY OF THE LICENSE AT
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING, SOFTWARE
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// DISTRIBUTED UNDER THE LICENSE IS DISTRIBUTED ON AN "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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// SEE THE LICENSE FOR THE SPECIFIC LANGUAGE GOVERNING PERMISSIONS AND
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// LIMITATIONS UNDER THE License.
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// GITEE: https://gitee.com/antdui/AntdUI
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// GITHUB: https://github.com/AntdUI/AntdUI
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// CSDN: https://blog.csdn.net/v_132
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// QQ: 17379620
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using System;
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using System.Drawing;
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using System.Windows.Forms;
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namespace AntdUI
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{
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public abstract class ILayeredForm : Form, IMessageFilter
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{
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public ILayeredForm()
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{
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SetStyle(
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ControlStyles.UserPaint |
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ControlStyles.AllPaintingInWmPaint |
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ControlStyles.OptimizedDoubleBuffer |
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ControlStyles.ResizeRedraw |
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ControlStyles.DoubleBuffer, true);
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UpdateStyles();
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FormBorderStyle = FormBorderStyle.None;
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ShowInTaskbar = false;
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Size = new Size(0, 0);
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}
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public Control? PARENT = null;
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public Func<Keys, bool>? KeyCall = null;
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public virtual bool CanLoadMessage { get; set; } = true;
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public virtual void LoadMessage()
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{
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if (InvokeRequired)
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{
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Invoke(new Action(LoadMessage));
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return;
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}
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if (MessageEnable) Application.AddMessageFilter(this);
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}
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protected override void OnLoad(EventArgs e)
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{
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base.OnLoad(e);
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if (CanLoadMessage) LoadMessage();
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}
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bool can_render = true;
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protected override void Dispose(bool disposing)
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{
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can_render = false;
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base.Dispose(disposing);
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Application.RemoveMessageFilter(this);
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}
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public virtual bool UFocus => true;
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public abstract Bitmap PrintBit();
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public byte alpha = 10;
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#region 渲染坐标
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Rectangle target_rect = new Rectangle(-1000, -1000, 0, 0);
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/// <summary>
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/// 目标区域
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/// </summary>
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public Rectangle TargetRect
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{
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get => target_rect;
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}
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public Rectangle TargetRectXY
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{
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get => new Rectangle(0, 0, target_rect.Width, target_rect.Height);
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}
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public void SetRect(Rectangle rect)
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{
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target_rect.X = rect.X;
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target_rect.Y = rect.Y;
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target_rect.Width = rect.Width;
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target_rect.Height = rect.Height;
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}
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public void SetSize(Size size)
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{
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target_rect.Width = size.Width;
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target_rect.Height = size.Height;
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}
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public void SetSize(int w, int h)
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{
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target_rect.Width = w;
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target_rect.Height = h;
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}
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public void SetSize(int size)
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{
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target_rect.Width = target_rect.Height = size;
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}
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public void SetSizeW(int w)
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{
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target_rect.Width = w;
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}
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public void SetSizeH(int h)
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{
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target_rect.Height = h;
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}
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public void SetLocation(Point point)
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{
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target_rect.X = point.X;
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target_rect.Y = point.Y;
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}
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public void SetLocationX(int x)
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{
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target_rect.X = x;
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}
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public void SetLocationY(int y)
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{
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target_rect.Y = y;
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}
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public void SetLocation(int x, int y)
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{
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target_rect.X = x;
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target_rect.Y = y;
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}
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#endregion
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public void Print()
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{
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if (IsHandleCreated && can_render && target_rect.Width > 0 && target_rect.Height > 0)
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{
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try
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{
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using (var bmp = PrintBit())
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{
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if (bmp == null) return;
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Render(bmp);
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}
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GC.Collect();
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}
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catch { }
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}
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}
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public void Render(Bitmap bmp)
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{
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try
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{
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if (InvokeRequired) Invoke(new Action(() => { Render(bmp); }));
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else Win32.SetBits(bmp, target_rect, Handle, alpha);
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}
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catch { }
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}
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public void SetCursor(bool val)
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{
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if (InvokeRequired)
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{
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Invoke(new Action(() =>
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{
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SetCursor(val);
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}));
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return;
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}
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Cursor = val ? Cursors.Hand : DefaultCursor;
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}
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#region 无焦点窗体
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protected override CreateParams CreateParams
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{
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get
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{
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var cp = base.CreateParams;
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cp.ExStyle |= 0x08000000 | 0x00080000;
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cp.Parent = IntPtr.Zero;
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return cp;
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}
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}
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protected override bool ShowWithoutActivation
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{
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get => UFocus;
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}
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protected override void WndProc(ref System.Windows.Forms.Message m)
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{
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if (UFocus && m.Msg == 0x21)
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{
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m.Result = new IntPtr(3);
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return;
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}
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base.WndProc(ref m);
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}
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#endregion
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public void IClose(bool isdispose = false)
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{
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if (IsHandleCreated)
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{
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try
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{
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if (InvokeRequired)
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{
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Invoke(new Action(() =>
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{
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IClose(isdispose);
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}));
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return;
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}
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Close();
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if (isdispose) Dispose();
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}
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catch { }
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}
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}
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/// <summary>
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/// 点击外面关闭使能
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/// </summary>
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public virtual bool MessageEnable => false;
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public virtual bool MessageCloseSub => false;
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/// <summary>
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/// 鼠标离开关闭
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/// </summary>
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public bool MessageCloseMouseLeave { get; set; }
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public bool PreFilterMessage(ref System.Windows.Forms.Message m)
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{
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//if (m.Msg == 0x31f || m.Msg == 0xc31a || m.Msg == 0x60 || m.Msg == 0xf || m.Msg == 0xc0a2 || m.Msg == 0x118 || m.Msg == 0x113) return false;
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//0x2a1 (WM_MOUSEHOVER)
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//0x2a3 (WM_MOUSELEAVE)
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if ((m.Msg == 0x201 || m.Msg == 0x204 || m.Msg == 0x207 || m.Msg == 0xa0))
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{
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var mousePosition = MousePosition;
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if (!target_rect.Contains(mousePosition))
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{
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try
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{
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if (PARENT != null && PARENT.IsHandleCreated)
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{
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if (ContainsPosition(PARENT, mousePosition)) return false;
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if (new Rectangle(PARENT.PointToScreen(Point.Empty), PARENT.Size).Contains(mousePosition)) return false;
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#region 判断内容
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if (MessageCloseSub && FunSub(PARENT, mousePosition)) return false;
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#endregion
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}
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IClose();
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}
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catch { }
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return false;
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}
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}
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else if (m.Msg == 0x2a3 && MessageCloseMouseLeave)
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{
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var mousePosition = MousePosition;
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if (!target_rect.Contains(mousePosition))
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{
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try
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{
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if (PARENT != null && PARENT.IsHandleCreated)
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{
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if (ContainsPosition(PARENT, mousePosition)) return false;
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if (new Rectangle(PARENT.PointToScreen(Point.Empty), PARENT.Size).Contains(mousePosition)) return false;
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#region 判断内容
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if (MessageCloseSub && FunSub(PARENT, mousePosition)) return false;
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#endregion
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}
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IClose();
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}
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catch { }
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return false;
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}
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}
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else if (m.Msg == 0x100 && KeyCall != null)
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{
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//0x100 (WM_KEYDOWN)
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//0x101 (WM_KEYUP)
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var keys = (Keys)(int)m.WParam;
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return KeyCall.Invoke(keys);
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}
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return false;
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}
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bool FunSub(Control control, Point mousePosition)
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{
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if (control is SubLayeredForm subForm)
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{
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var subform = subForm.SubForm();
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if (subform != null && ContainsPosition(subform, mousePosition) > 0) return true;
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}
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if (control.Controls == null || control.Controls.Count == 0) return false;
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foreach (Control it in control.Controls)
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{
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if (FunSub(it, mousePosition)) return true;
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}
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return false;
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}
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bool ContainsPosition(Control control, Point mousePosition)
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{
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if (new Rectangle(control.PointToScreen(Point.Empty), control.Size).Contains(mousePosition)) return true;
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try
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{
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if (control is SubLayeredForm subForm)
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{
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var subform = subForm.SubForm();
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if (subform != null && ContainsPosition(subform, mousePosition) > 0) return true;
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}
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}
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catch { }
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return false;
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}
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int ContainsPosition(ILayeredForm control, Point mousePosition)
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{
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int count = 0;
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try
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{
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if (control.TargetRect.Contains(mousePosition)) count++;
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if (control is LayeredFormSelectDown layered && layered.SubForm != null) count += ContainsPosition(layered.SubForm, mousePosition);
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}
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catch { }
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return count;
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}
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#region 触屏
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bool mdown = false;
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int mdownd = 0, oldX, oldY;
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protected virtual void OnTouchDown(int x, int y)
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{
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oldMY = 0;
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oldX = x;
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oldY = y;
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if (Config.TouchEnabled)
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{
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taskTouch?.Dispose();
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taskTouch = null;
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mdownd = 0;
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mdown = true;
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}
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}
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int oldMY = 0;
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protected virtual bool OnTouchMove(int x, int y)
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{
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if (mdown)
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{
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int moveX = oldX - x, moveY = oldY - y, moveXa = Math.Abs(moveX), moveYa = Math.Abs(moveY);
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oldMY = moveY;
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if (mdownd > 0)
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{
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if (mdownd == 1) OnTouchScrollY(-moveY);
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else OnTouchScrollX(-moveX);
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oldX = x;
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oldY = y;
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return false;
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}
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else if (moveXa > 2 || moveYa > 2)
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{
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if (moveYa > moveXa)
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{
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mdownd = 1;
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OnTouchScrollY(-moveY);
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}
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else
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{
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mdownd = 2;
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OnTouchScrollX(-moveX);
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}
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oldX = x;
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oldY = y;
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return false;
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}
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}
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return true;
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}
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ITask? taskTouch = null;
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protected virtual bool OnTouchUp()
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{
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taskTouch?.Dispose();
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taskTouch = null;
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mdown = false;
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if (mdownd > 0)
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{
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if (mdownd == 1)
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{
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int moveY = oldMY, moveYa = Math.Abs(moveY);
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if (moveYa > 10)
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{
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// 缓冲动画
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int duration = (int)Math.Ceiling(moveYa * .1F), incremental = moveYa / 2, sleep = 20;
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if (moveY > 0)
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{
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taskTouch = new ITask(this, () =>
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{
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if (moveYa > 0 && OnTouchScrollY(-incremental))
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{
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moveYa -= duration;
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return true;
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}
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return false;
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}, sleep);
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}
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else
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{
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taskTouch = new ITask(this, () =>
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{
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if (moveYa > 0 && OnTouchScrollY(incremental))
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{
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moveYa -= duration;
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return true;
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}
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return false;
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}, sleep);
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}
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}
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}
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return false;
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}
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return true;
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}
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protected virtual bool OnTouchScrollX(int value) => false;
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protected virtual bool OnTouchScrollY(int value) => false;
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protected override void OnMouseWheel(MouseEventArgs e)
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{
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taskTouch?.Dispose();
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taskTouch = null;
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base.OnMouseWheel(e);
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}
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#endregion
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}
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public interface SubLayeredForm
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{
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ILayeredForm? SubForm();
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}
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}
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