125 lines
4.0 KiB
C#
125 lines
4.0 KiB
C#
using AntdUI;
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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.Runtime.InteropServices;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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namespace updater
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{
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public class BaseWinForm : Form
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{
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public const int WM_NCLBUTTONDOWN = 0xA1;
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public const int HT_CAPTION = 0x2;
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[DllImport("user32.dll")]
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public static extern int SendMessage(IntPtr hWnd, int Msg, int wParam, int lParam);
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[DllImport("user32.dll")]
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public static extern bool ReleaseCapture();
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[DllImport("Gdi32.dll", EntryPoint = "CreateRoundRectRgn")]
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private static extern IntPtr CreateRoundRectRgn(
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int nLeftRect, // x-coordinate of upper-left corner
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int nTopRect, // y-coordinate of upper-left corner
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int nRightRect, // x-coordinate of lower-right corner
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int nBottomRect, // y-coordinate of lower-right corner
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int nWidthEllipse, // height of ellipse
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int nHeightEllipse // width of ellipse
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);
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[DllImport("dwmapi.dll")]
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public static extern int DwmExtendFrameIntoClientArea(IntPtr hWnd, ref MARGINS pMarInset);
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[DllImport("dwmapi.dll")]
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public static extern int DwmSetWindowAttribute(IntPtr hwnd, int attr, ref int attrValue, int attrSize);
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[DllImport("dwmapi.dll")]
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public static extern int DwmIsCompositionEnabled(ref int pfEnabled);
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private bool m_aeroEnabled; // variables for box shadow
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private const int CS_DROPSHADOW = 0x00020000;
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private const int WM_NCPAINT = 0x0085;
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private const int WM_ACTIVATEAPP = 0x001C;
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public struct MARGINS // struct for box shadow
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{
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public int leftWidth;
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public int rightWidth;
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public int topHeight;
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public int bottomHeight;
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}
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private const int WM_NCHITTEST = 0x84; // variables for dragging the form
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private const int HTCLIENT = 0x1;
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private const int HTCAPTION = 0x2;
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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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m_aeroEnabled = CheckAeroEnabled();
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CreateParams cp = base.CreateParams;
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if (!m_aeroEnabled)
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cp.ClassStyle |= CS_DROPSHADOW;
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return cp;
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}
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}
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private bool CheckAeroEnabled()
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{
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if (Environment.OSVersion.Version.Major >= 6)
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{
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int enabled = 0;
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DwmIsCompositionEnabled(ref enabled);
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return (enabled == 1) ? true : false;
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}
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return false;
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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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switch (m.Msg)
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{
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//阴影
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case WM_NCPAINT:
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if (m_aeroEnabled)
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{
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var v = 2;
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DwmSetWindowAttribute(this.Handle, 2, ref v, 4);
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MARGINS margins = new MARGINS()
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{
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bottomHeight = 1,
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leftWidth = 1,
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rightWidth = 1,
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topHeight = 1
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};
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DwmExtendFrameIntoClientArea(this.Handle, ref margins);
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}
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break;
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default:
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break;
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}
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base.WndProc(ref m);
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// 拖动
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if (m.Msg == WM_NCHITTEST && (int)m.Result == HTCLIENT)
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m.Result = (IntPtr)HTCAPTION;
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}
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public BaseWinForm()
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{
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m_aeroEnabled = false;
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this.FormBorderStyle = FormBorderStyle.None;
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}
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protected void HandleMouseDownAndMove()
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{
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ReleaseCapture();
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SendMessage(this.Handle, WM_NCLBUTTONDOWN, HT_CAPTION, 0);
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}
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}
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}
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