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using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Drawing.Drawing2D;using System.Linq;using System.Runtime.InteropServices;using System.Text;using System.Windows.Forms;
namespace Customize.Controls{ /// <summary>
/// Class FrmAnchorTips.
/// Implements the <see cref="System.Windows.Forms.Form" />
/// </summary>
/// <seealso cref="System.Windows.Forms.Form" />
public partial class FrmAnchorTips : Form { /// <summary>
/// The m string MSG
/// </summary>
private string m_strMsg = string.Empty;
/// <summary>
/// Gets or sets the string MSG.
/// </summary>
/// <value>The string MSG.</value>
public string StrMsg { get { return m_strMsg; } set { m_strMsg = value; if (string.IsNullOrEmpty(value)) return; ResetForm(value); } } /// <summary>
/// The have handle
/// </summary>
bool haveHandle = false; /// <summary>
/// The m rect control
/// </summary>
Rectangle m_rectControl; /// <summary>
/// Gets or sets the rect control.
/// </summary>
/// <value>The rect control.</value>
public Rectangle RectControl { get { return m_rectControl; } set { m_rectControl = value; } } /// <summary>
/// The m location
/// </summary>
AnchorTipsLocation m_location; /// <summary>
/// The m background
/// </summary>
Color? m_background = null; /// <summary>
/// The m fore color
/// </summary>
Color? m_foreColor = null; /// <summary>
/// The m font size
/// </summary>
int m_fontSize = 10; #region 构造函数 English:Constructor
/// <summary>
/// Initializes a new instance of the <see cref="FrmAnchorTips"/> class.
/// </summary>
/// <param name="rectControl">The rect control.</param>
/// <param name="strMsg">The string MSG.</param>
/// <param name="location">The location.</param>
/// <param name="background">The background.</param>
/// <param name="foreColor">Color of the fore.</param>
/// <param name="fontSize">Size of the font.</param>
/// <param name="autoCloseTime">The automatic close time.</param>
private FrmAnchorTips( Rectangle rectControl, string strMsg, AnchorTipsLocation location = AnchorTipsLocation.RIGHT, Color? background = null, Color? foreColor = null, int fontSize = 10, int autoCloseTime = 5000) { InitializeComponent(); m_rectControl = rectControl; m_location = location; m_background = background; m_foreColor = foreColor; m_fontSize = fontSize; StrMsg = strMsg; if (autoCloseTime > 0) { Timer t = new Timer(); t.Interval = autoCloseTime; t.Tick += (a, b) => { this.Close(); }; t.Enabled = true; } }
/// <summary>
/// Resets the form.
/// </summary>
/// <param name="strMsg">The string MSG.</param>
private void ResetForm(string strMsg) { Graphics g = this.CreateGraphics(); Font _font = new Font("微软雅黑", m_fontSize); Color _background = m_background == null ? Color.FromArgb(255, 77, 58) : m_background.Value; Color _foreColor = m_foreColor == null ? Color.White : m_foreColor.Value; System.Drawing.SizeF sizeText = g.MeasureString(strMsg, _font); g.Dispose(); var formSize = new Size((int)sizeText.Width + 20, (int)sizeText.Height + 20); if (formSize.Width < 20) formSize.Width = 20; if (formSize.Height < 20) formSize.Height = 20; if (m_location == AnchorTipsLocation.LEFT || m_location == AnchorTipsLocation.RIGHT) { formSize.Width += 20; } else { formSize.Height += 20; }
#region 获取窗体path English:Get the form path
GraphicsPath path = new GraphicsPath(); Rectangle rect; switch (m_location) { case AnchorTipsLocation.TOP: rect = new Rectangle(1, 1, formSize.Width - 2, formSize.Height - 20 - 1); this.Location = new Point(m_rectControl.X + (m_rectControl.Width - rect.Width) / 2, m_rectControl.Y - rect.Height - 20); break; case AnchorTipsLocation.RIGHT: rect = new Rectangle(20, 1, formSize.Width - 20 - 1, formSize.Height - 2); this.Location = new Point(m_rectControl.Right, m_rectControl.Y + (m_rectControl.Height - rect.Height) / 2); break; case AnchorTipsLocation.BOTTOM: rect = new Rectangle(1, 20, formSize.Width - 2, formSize.Height - 20 - 1); this.Location = new Point(m_rectControl.X + (m_rectControl.Width - rect.Width) / 2, m_rectControl.Bottom); break; default: rect = new Rectangle(1, 1, formSize.Width - 20 - 1, formSize.Height - 2); this.Location = new Point(m_rectControl.X - rect.Width - 20, m_rectControl.Y + (m_rectControl.Height - rect.Height) / 2); break; } int cornerRadius = 2;
path.AddArc(rect.X, rect.Y, cornerRadius * 2, cornerRadius * 2, 180, 90);//左上角
#region 上边
if (m_location == AnchorTipsLocation.BOTTOM) { path.AddLine(rect.X + cornerRadius, rect.Y, rect.Left + rect.Width / 2 - 10, rect.Y);//上
path.AddLine(rect.Left + rect.Width / 2 - 10, rect.Y, rect.Left + rect.Width / 2, rect.Y - 19);//上
path.AddLine(rect.Left + rect.Width / 2, rect.Y - 19, rect.Left + rect.Width / 2 + 10, rect.Y);//上
path.AddLine(rect.Left + rect.Width / 2 + 10, rect.Y, rect.Right - cornerRadius * 2, rect.Y);//上
} else { path.AddLine(rect.X + cornerRadius, rect.Y, rect.Right - cornerRadius * 2, rect.Y);//上
} #endregion
path.AddArc(rect.X + rect.Width - cornerRadius * 2, rect.Y, cornerRadius * 2, cornerRadius * 2, 270, 90);//右上角
#region 右边
if (m_location == AnchorTipsLocation.LEFT) { path.AddLine(rect.Right, rect.Y + cornerRadius * 2, rect.Right, rect.Y + rect.Height / 2 - 10);//右
path.AddLine(rect.Right, rect.Y + rect.Height / 2 - 10, rect.Right + 19, rect.Y + rect.Height / 2);//右
path.AddLine(rect.Right + 19, rect.Y + rect.Height / 2, rect.Right, rect.Y + rect.Height / 2 + 10);//右
path.AddLine(rect.Right, rect.Y + rect.Height / 2 + 10, rect.Right, rect.Y + rect.Height - cornerRadius * 2);//右
} else { path.AddLine(rect.Right, rect.Y + cornerRadius * 2, rect.Right, rect.Y + rect.Height - cornerRadius * 2);//右
} #endregion
path.AddArc(rect.X + rect.Width - cornerRadius * 2, rect.Y + rect.Height - cornerRadius * 2, cornerRadius * 2, cornerRadius * 2, 0, 90);//右下角
#region 下边
if (m_location == AnchorTipsLocation.TOP) { path.AddLine(rect.Right - cornerRadius * 2, rect.Bottom, rect.Left + rect.Width / 2 + 10, rect.Bottom); path.AddLine(rect.Left + rect.Width / 2 + 10, rect.Bottom, rect.Left + rect.Width / 2, rect.Bottom + 19); path.AddLine(rect.Left + rect.Width / 2, rect.Bottom + 19, rect.Left + rect.Width / 2 - 10, rect.Bottom); path.AddLine(rect.Left + rect.Width / 2 - 10, rect.Bottom, rect.X + cornerRadius * 2, rect.Bottom); } else { path.AddLine(rect.Right - cornerRadius * 2, rect.Bottom, rect.X + cornerRadius * 2, rect.Bottom); } #endregion
path.AddArc(rect.X, rect.Bottom - cornerRadius * 2, cornerRadius * 2, cornerRadius * 2, 90, 90);//左下角
#region 左边
if (m_location == AnchorTipsLocation.RIGHT) { path.AddLine(rect.Left, rect.Y + cornerRadius * 2, rect.Left, rect.Y + rect.Height / 2 - 10);//左
path.AddLine(rect.Left, rect.Y + rect.Height / 2 - 10, rect.Left - 19, rect.Y + rect.Height / 2);//左
path.AddLine(rect.Left - 19, rect.Y + rect.Height / 2, rect.Left, rect.Y + rect.Height / 2 + 10);//左
path.AddLine(rect.Left, rect.Y + rect.Height / 2 + 10, rect.Left, rect.Y + rect.Height - cornerRadius * 2);//左
} else { path.AddLine(rect.X, rect.Bottom - cornerRadius * 2, rect.X, rect.Y + cornerRadius * 2);//左
} #endregion
path.CloseFigure(); #endregion
Bitmap bit = new Bitmap(formSize.Width, formSize.Height); this.Size = formSize;
#region 画图 English:Drawing
Graphics gBit = Graphics.FromImage(bit); gBit.SetGDIHigh(); gBit.FillPath(new SolidBrush(_background), path); gBit.DrawString(strMsg, _font, new SolidBrush(_foreColor), rect.Location + new Size(10, 10)); gBit.Dispose(); #endregion
SetBits(bit); } #endregion
#region 显示一个提示 English:Show a hint
/// <summary>
/// Shows the tips.
/// </summary>
/// <param name="parentControl">The parent control.</param>
/// <param name="strMsg">The string MSG.</param>
/// <param name="location">The location.</param>
/// <param name="background">The background.</param>
/// <param name="foreColor">Color of the fore.</param>
/// <param name="deviation">The deviation.</param>
/// <param name="fontSize">Size of the font.</param>
/// <param name="autoCloseTime">The automatic close time.</param>
/// <returns>FrmAnchorTips.</returns>
public static FrmAnchorTips ShowTips( Control parentControl, string strMsg, AnchorTipsLocation location = AnchorTipsLocation.RIGHT, Color? background = null, Color? foreColor = null, Size? deviation = null, int fontSize = 10, int autoCloseTime = 5000) { Point p; if (parentControl is Form) { p = parentControl.Location; } else { p = parentControl.Parent.PointToScreen(parentControl.Location); } if (deviation != null) { p = p + deviation.Value; } return ShowTips(new Rectangle(p, parentControl.Size), strMsg, location, background, foreColor, fontSize, autoCloseTime); } #endregion
#region 显示一个提示 English:Show a hint
/// <summary>
/// Shows the tips.
/// </summary>
/// <param name="rectControl">The rect control.</param>
/// <param name="strMsg">The string MSG.</param>
/// <param name="location">The location.</param>
/// <param name="background">The background.</param>
/// <param name="foreColor">Color of the fore.</param>
/// <param name="fontSize">Size of the font.</param>
/// <param name="autoCloseTime">The automatic close time.</param>
/// <returns>FrmAnchorTips.</returns>
public static FrmAnchorTips ShowTips( Rectangle rectControl, string strMsg, AnchorTipsLocation location = AnchorTipsLocation.RIGHT, Color? background = null, Color? foreColor = null, int fontSize = 10, int autoCloseTime = 5000) { FrmAnchorTips frm = new FrmAnchorTips(rectControl, strMsg, location, background, foreColor, fontSize, autoCloseTime); frm.TopMost = true; frm.Show(); return frm; } #endregion
#region Override
/// <summary>
/// 引发 <see cref="E:System.Windows.Forms.Form.Closing" /> 事件。
/// </summary>
/// <param name="e">一个包含事件数据的 <see cref="T:System.ComponentModel.CancelEventArgs" />。</param>
protected override void OnClosing(CancelEventArgs e) { e.Cancel = true; base.OnClosing(e); haveHandle = false; this.Dispose(); }
/// <summary>
/// Handles the <see cref="E:HandleCreated" /> event.
/// </summary>
/// <param name="e">包含事件数据的 <see cref="T:System.EventArgs" />。</param>
protected override void OnHandleCreated(EventArgs e) { InitializeStyles(); base.OnHandleCreated(e); haveHandle = true; }
/// <summary>
/// Gets the create parameters.
/// </summary>
/// <value>The create parameters.</value>
protected override CreateParams CreateParams { get { CreateParams cParms = base.CreateParams; cParms.ExStyle |= 0x00080000; // WS_EX_LAYERED
return cParms; } }
#endregion
/// <summary>
/// Initializes the styles.
/// </summary>
private void InitializeStyles() { SetStyle(ControlStyles.AllPaintingInWmPaint, true); SetStyle(ControlStyles.UserPaint, true); UpdateStyles(); }
#region 根据图片显示窗体 English:Display Forms Based on Pictures
/// <summary>
/// 功能描述:根据图片显示窗体 English:Display Forms Based on Pictures
/// 作 者:HZH
/// 创建日期:2019-08-29 15:31:16
/// 任务编号:
/// </summary>
/// <param name="bitmap">bitmap</param>
/// <exception cref="System.ApplicationException">The picture must be 32bit picture with alpha channel.</exception>
/// <exception cref="ApplicationException">The picture must be 32bit picture with alpha channel.</exception>
private void SetBits(Bitmap bitmap) { if (!haveHandle) return;
if (!Bitmap.IsCanonicalPixelFormat(bitmap.PixelFormat) || !Bitmap.IsAlphaPixelFormat(bitmap.PixelFormat)) throw new ApplicationException("The picture must be 32bit picture with alpha channel.");
IntPtr oldBits = IntPtr.Zero; IntPtr screenDC = Win32.GetDC(IntPtr.Zero); IntPtr hBitmap = IntPtr.Zero; IntPtr memDc = Win32.CreateCompatibleDC(screenDC);
try { Win32.Point topLoc = new Win32.Point(Left, Top); Win32.Size bitMapSize = new Win32.Size(bitmap.Width, bitmap.Height); Win32.BLENDFUNCTION blendFunc = new Win32.BLENDFUNCTION(); Win32.Point srcLoc = new Win32.Point(0, 0);
hBitmap = bitmap.GetHbitmap(Color.FromArgb(0)); oldBits = Win32.SelectObject(memDc, hBitmap);
blendFunc.BlendOp = Win32.AC_SRC_OVER; blendFunc.SourceConstantAlpha = 255; blendFunc.AlphaFormat = Win32.AC_SRC_ALPHA; blendFunc.BlendFlags = 0;
Win32.UpdateLayeredWindow(Handle, screenDC, ref topLoc, ref bitMapSize, memDc, ref srcLoc, 0, ref blendFunc, Win32.ULW_ALPHA); } finally { if (hBitmap != IntPtr.Zero) { Win32.SelectObject(memDc, oldBits); Win32.DeleteObject(hBitmap); } Win32.ReleaseDC(IntPtr.Zero, screenDC); Win32.DeleteDC(memDc); } } #endregion
#region 无焦点窗体处理
/// <summary>
/// Sets the active window.
/// </summary>
/// <param name="handle">The handle.</param>
/// <returns>IntPtr.</returns>
[System.Runtime.InteropServices.DllImport("user32.dll")] private extern static IntPtr SetActiveWindow(IntPtr handle); /// <summary>
/// The wm activate
/// </summary>
private const int WM_ACTIVATE = 0x006; /// <summary>
/// The wm activateapp
/// </summary>
private const int WM_ACTIVATEAPP = 0x01C; /// <summary>
/// The wm ncactivate
/// </summary>
private const int WM_NCACTIVATE = 0x086; /// <summary>
/// The wa inactive
/// </summary>
private const int WA_INACTIVE = 0; /// <summary>
/// The wm mouseactivate
/// </summary>
private const int WM_MOUSEACTIVATE = 0x21; /// <summary>
/// The ma noactivate
/// </summary>
private const int MA_NOACTIVATE = 3; /// <summary>
/// WNDs the proc.
/// </summary>
/// <param name="m">要处理的 Windows <see cref="T:System.Windows.Forms.Message" />。</param>
protected override void WndProc(ref Message m) { if (m.Msg == WM_MOUSEACTIVATE) { m.Result = new IntPtr(MA_NOACTIVATE); return; } else if (m.Msg == WM_NCACTIVATE) { if (((int)m.WParam & 0xFFFF) != WA_INACTIVE) { if (m.LParam != IntPtr.Zero) { SetActiveWindow(m.LParam); } else { SetActiveWindow(IntPtr.Zero); } } } base.WndProc(ref m); }
#endregion
}
/// <summary>
/// Enum AnchorTipsLocation
/// </summary>
public enum AnchorTipsLocation { /// <summary>
/// The left
/// </summary>
LEFT, /// <summary>
/// The top
/// </summary>
TOP, /// <summary>
/// The right
/// </summary>
RIGHT, /// <summary>
/// The bottom
/// </summary>
BOTTOM }
/// <summary>
/// Class Win32.
/// </summary>
class Win32 { /// <summary>
/// Struct Size
/// </summary>
[StructLayout(LayoutKind.Sequential)] public struct Size { /// <summary>
/// The cx
/// </summary>
public Int32 cx; /// <summary>
/// The cy
/// </summary>
public Int32 cy;
/// <summary>
/// Initializes a new instance of the <see cref="Size" /> struct.
/// </summary>
/// <param name="x">The x.</param>
/// <param name="y">The y.</param>
public Size(Int32 x, Int32 y) { cx = x; cy = y; } }
/// <summary>
/// Struct BLENDFUNCTION
/// </summary>
[StructLayout(LayoutKind.Sequential, Pack = 1)] public struct BLENDFUNCTION { /// <summary>
/// The blend op
/// </summary>
public byte BlendOp; /// <summary>
/// The blend flags
/// </summary>
public byte BlendFlags; /// <summary>
/// The source constant alpha
/// </summary>
public byte SourceConstantAlpha; /// <summary>
/// The alpha format
/// </summary>
public byte AlphaFormat; }
/// <summary>
/// Struct Point
/// </summary>
[StructLayout(LayoutKind.Sequential)] public struct Point { /// <summary>
/// The x
/// </summary>
public Int32 x; /// <summary>
/// The y
/// </summary>
public Int32 y;
/// <summary>
/// Initializes a new instance of the <see cref="Point" /> struct.
/// </summary>
/// <param name="x">The x.</param>
/// <param name="y">The y.</param>
public Point(Int32 x, Int32 y) { this.x = x; this.y = y; } }
/// <summary>
/// The ac source over
/// </summary>
public const byte AC_SRC_OVER = 0; /// <summary>
/// The ulw alpha
/// </summary>
public const Int32 ULW_ALPHA = 2; /// <summary>
/// The ac source alpha
/// </summary>
public const byte AC_SRC_ALPHA = 1;
/// <summary>
/// Creates the compatible dc.
/// </summary>
/// <param name="hDC">The h dc.</param>
/// <returns>IntPtr.</returns>
[DllImport("gdi32.dll", ExactSpelling = true, SetLastError = true)] public static extern IntPtr CreateCompatibleDC(IntPtr hDC);
/// <summary>
/// Gets the dc.
/// </summary>
/// <param name="hWnd">The h WND.</param>
/// <returns>IntPtr.</returns>
[DllImport("user32.dll", ExactSpelling = true, SetLastError = true)] public static extern IntPtr GetDC(IntPtr hWnd);
/// <summary>
/// Selects the object.
/// </summary>
/// <param name="hDC">The h dc.</param>
/// <param name="hObj">The h object.</param>
/// <returns>IntPtr.</returns>
[DllImport("gdi32.dll", ExactSpelling = true)] public static extern IntPtr SelectObject(IntPtr hDC, IntPtr hObj);
/// <summary>
/// Releases the dc.
/// </summary>
/// <param name="hWnd">The h WND.</param>
/// <param name="hDC">The h dc.</param>
/// <returns>System.Int32.</returns>
[DllImport("user32.dll", ExactSpelling = true)] public static extern int ReleaseDC(IntPtr hWnd, IntPtr hDC);
/// <summary>
/// Deletes the dc.
/// </summary>
/// <param name="hDC">The h dc.</param>
/// <returns>System.Int32.</returns>
[DllImport("gdi32.dll", ExactSpelling = true, SetLastError = true)] public static extern int DeleteDC(IntPtr hDC);
/// <summary>
/// Deletes the object.
/// </summary>
/// <param name="hObj">The h object.</param>
/// <returns>System.Int32.</returns>
[DllImport("gdi32.dll", ExactSpelling = true, SetLastError = true)] public static extern int DeleteObject(IntPtr hObj);
/// <summary>
/// Updates the layered window.
/// </summary>
/// <param name="hwnd">The HWND.</param>
/// <param name="hdcDst">The HDC DST.</param>
/// <param name="pptDst">The PPT DST.</param>
/// <param name="psize">The psize.</param>
/// <param name="hdcSrc">The HDC source.</param>
/// <param name="pptSrc">The PPT source.</param>
/// <param name="crKey">The cr key.</param>
/// <param name="pblend">The pblend.</param>
/// <param name="dwFlags">The dw flags.</param>
/// <returns>System.Int32.</returns>
[DllImport("user32.dll", ExactSpelling = true, SetLastError = true)] public static extern int UpdateLayeredWindow(IntPtr hwnd, IntPtr hdcDst, ref Point pptDst, ref Size psize, IntPtr hdcSrc, ref Point pptSrc, Int32 crKey, ref BLENDFUNCTION pblend, Int32 dwFlags);
/// <summary>
/// Exts the create region.
/// </summary>
/// <param name="lpXform">The lp xform.</param>
/// <param name="nCount">The n count.</param>
/// <param name="rgnData">The RGN data.</param>
/// <returns>IntPtr.</returns>
[DllImport("gdi32.dll", ExactSpelling = true, SetLastError = true)] public static extern IntPtr ExtCreateRegion(IntPtr lpXform, uint nCount, IntPtr rgnData); }}
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