2023年7月19日发(作者：)

WPF⾃定义最⼤化及还原按钮，⽀持双击标题栏空⽩处的最⼤化及还原处理代码：

代码:

StateChanged="Window_StateChanged">

代码：using System;using c;using ;using ;using ;using s;using ls;using ;using nts;using ;using ;using g;using tion;using ;namespace WpfToolbar{ ///

/// 的交互逻辑 ///

public partial class MainWindow : Window public partial class MainWindow : Window { public MainWindow() { InitializeComponent(); dowFullScrreng(this); } private void bdMin_MouseLeftButtonUp(object sender, MouseButtonEventArgs e) { State = zed; } bool isExcuted = false;//点击最⼤化按钮时，阻⽌被StateChanged事件再次调⽤ private void bdMax_MouseLeftButtonUp(object sender, MouseButtonEventArgs e) { isExcuted = true; if (State == ) { = new BitmapImage(new Uri("Image/", ve)); State = zed; } else { = new BitmapImage(new Uri("Image/", ve)); State = ; } isExcuted = false; }

private void bdClose_MouseLeftButtonUp(object sender, MouseButtonEventArgs e) {

();

}

private void Window_StateChanged(object sender, EventArgs e) { if (!isExcuted) { if (State == ) { = new BitmapImage(new Uri("Image/", ve)); State = ; } else if (State == zed) { = new BitmapImage(new Uri("Image/", ve)); State = zed; } } } }}

WindowsFullScreenHelper类代码：using System;using c;using ;using pServices;using ;using s;using p;namespace WpfToolbar{ public class WindowsFullScreenHelper { private static Window movewin; public static void SetWindowFullScrreng(Window wpfWindow) { movewin = wpfWindow; if (wpfWindow == null) { return; } if (State == zed) { State = ; += delegate { State = zed; }; } Initialized += delegate { IntPtr handle = (new WindowInteropHelper(wpfWindow)).Handle; HwndSource source = nd(handle); if (source != null) { k(WindowProc); } }; } private static IntPtr WindowProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled) { switch (msg) { case 0x0024: WmGetMinMaxInfo(hwnd, lParam); // handled = true; break; } return (IntPtr)0; } private static void WmGetMinMaxInfo(IntPtr hwnd, IntPtr lParam) { var mmi = (MINMAXINFO)tructure(lParam, typeof(MINMAXINFO)); // Adjust the maximized size and position to fit the work area of the correct monitor int MONITOR_DEFAULTTONEAREST = 0x00000002; IntPtr monitor = MonitorFromWindow(hwnd, MONITOR_DEFAULTTONEAREST); if (monitor != ) { var monitorInfo = new MONITORINFO(); GetMonitorInfo(monitor, monitorInfo); RECT rcWorkArea = ; RECT rcMonitorArea = tor; osition.x = ( - ); osition.y = ( - ); ize.x = ( - ); ize.y = ( - ); } ureToPtr(mmi, lParam, true); } [DllImport("user32")] internal static extern bool GetMonitorInfo(IntPtr hMonitor, MONITORINFO lpmi); ///

///

///

///

[DllImport("User32")] internal static extern IntPtr MonitorFromWindow(IntPtr handle, int flags); #region Nested type: MINMAXINFO [StructLayout(tial)] internal struct MINMAXINFO { public POINT ptReserved; public POINT ptMaxSize; public POINT ptMaxPosition; public POINT ptMinTrackSize; public POINT ptMaxTrackSize; }; #endregion #region Nested type: MONITORINFO ///

///

[StructLayout(tial, CharSet = )] internal class MONITORINFO { ///

///

public int cbSize = (typeof(MONITORINFO)); ///

///

public RECT rcMonitor; ///

///

public RECT rcWork; ///

///

public int dwFlags; } #endregion #region Nested type: POINT ///

/// POINT aka POINTAPI ///

[StructLayout(tial)] internal struct POINT { ///

/// x coordinate of point. ///

public int x; ///

/// y coordinate of point. ///

public int y; ///

/// Construct a point of coordinates (x,y). /// Construct a point of coordinates (x,y). ///

public POINT(int x, int y) { this.x = x; this.y = y; } } #endregion #region Nested type: RECT ///

Win32

[StructLayout(tial, Pack = 0)] internal struct RECT { ///

Win32

public int left; ///

Win32

public int top; ///

Win32

public int right; ///

Win32

public int bottom; ///

Win32

public static readonly RECT Empty; ///

Win32

public int Width { get { return (right - left); } // Abs needed for BIDI OS } ///

Win32

public int Height { get { return bottom - top; } } ///

Win32

public RECT(int left, int top, int right, int bottom) { = left; = top; = right; = bottom; } ///

Win32

public RECT(RECT rcSrc) { left = ; top = ; right = ; bottom = ; } ///

Win32

public bool IsEmpty { { get { // BUGBUG : On Bidi OS (hebrew arabic) left > right return left >= right || top >= bottom; } } ///

Return a user friendly representation of this struct

public override string ToString() { if (this == Empty) { return "RECT {Empty}"; } return "RECT { left : " + left + " / top : " + top + " / right : " + right + " / bottom : " + bottom + " }"; } ///

Determine if 2 RECT are equal (deep compare)

public override bool Equals(object obj) { if (!(obj is )) { return false; } return (this == (RECT)obj); } ///

Return the HashCode for this struct (not garanteed to be unique)

public override int GetHashCode() { return hCode() + hCode() + hCode() + hCode(); } ///

Determine if 2 RECT are equal (deep compare)

public static bool operator ==(RECT rect1, RECT rect2) { return ( == && == && == && == ); } ///

Determine if 2 RECT are different(deep compare)

public static bool operator !=(RECT rect1, RECT rect2) { return !(rect1 == rect2); } } #endregion }}

发布者：admin，转转请注明出处：http://www.yc00.com/xiaochengxu/1689717706a280652.html