用user32.dll把UNITY程序的窗口透明化_月光水岸

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用user32.dll把UNITY程序的窗口透明化

(2016-09-20 19:52:30)

//using System;
//using System.Runtime.InteropServices;
//using UnityEngine;
//public class WindowMod : MonoBehaviour
//{
//    public enum appStyle
//    {
//        FullScreen,
//        WindowedFullScreen,
//        Windowed,
//        WindowedWithoutBorder
//    }
//    public enum zDepth
//    {
//        Normal,
//        Top,
//        TopMost
//    }
//    private const uint SWP_SHOWWINDOW = 64u;
//    private const int GWL_STYLE = -16;
//    private const int WS_BORDER = 1;
//    private const int GWL_EXSTYLE = -20;
//    private const int WS_CAPTION = 12582912;
//    private const int WS_POPUP = 8388608;
//    private const int SM_CXSCREEN = 0;
//    private const int SM_CYSCREEN = 1;
//    public WindowMod.appStyle AppWindowStyle = WindowMod.appStyle.WindowedFullScreen;
//    public WindowMod.zDepth ScreenDepth;
//    public int windowLeft = 10;
//    public int windowTop = 10;
//    public int windowWidth = 800;
//    public int windowHeight = 600;
//    private Rect screenPosition;
//    private IntPtr HWND_TOP = new IntPtr(0);
//    private IntPtr HWND_TOPMOST = new IntPtr(-1);
//    private IntPtr HWND_NORMAL = new IntPtr(-2);
//    private int Xscreen;
//    private int Yscreen;
//    private int i;
//    [DllImport("user32.dll")]
//    private static extern IntPtr GetForegroundWindow();
//    [DllImport("user32.dll", CharSet = CharSet.Auto)]
//    public static extern bool SetWindowPos(IntPtr hWnd, IntPtr hPos, int x, int y, int cx, int cy, uint nflags);
//    [DllImport("User32.dll")]
//    private static extern IntPtr FindWindow(string lpClassName, string lpWindowName);
//    [DllImport("User32.dll")]
//    private static extern int SetWindowLong(IntPtr hWnd, int nIndex, int dwNewLong);
//    [DllImport("User32.dll")]
//    private static extern int GetWindowLong(IntPtr hWnd, int dwNewLong);
//    [DllImport("User32.dll")]
//    private static extern bool MoveWindow(IntPtr hWnd, int x, int y, int width, int height, bool repaint);
//    [DllImport("user32.dll", CharSet = CharSet.Auto)]
//    public static extern int ShowWindow(IntPtr hwnd, int nCmdShow);
//    [DllImport("user32.dll", CharSet = CharSet.Auto)]
//    public static extern int SendMessage(IntPtr hwnd, int msg, IntPtr wP, IntPtr IP);
//    [DllImport("user32.dll", CharSet = CharSet.Auto)]
//    public static extern IntPtr SetParent(IntPtr hChild, IntPtr hParent);
//    [DllImport("user32.dll", CharSet = CharSet.Auto)]
//    public static extern IntPtr GetParent(IntPtr hChild);
//    [DllImport("User32.dll")]
//    public static extern IntPtr GetSystemMetrics(int nIndex);
//    private void Start()
//    {
//        this.Xscreen = (int)WindowMod.GetSystemMetrics(0);
//        this.Yscreen = (int)WindowMod.GetSystemMetrics(1);
//        if (this.AppWindowStyle == WindowMod.appStyle.FullScreen)
//        {
//            Screen.SetResolution(this.Xscreen, this.Yscreen, true);
//        }
//        if (this.AppWindowStyle == WindowMod.appStyle.WindowedFullScreen)
//        {
//            Screen.SetResolution(this.Xscreen - 1, this.Yscreen - 1, false);
//            this.screenPosition = new Rect(0f, 0f, (float)(this.Xscreen - 1), (float)(this.Yscreen - 1));
//        }
//        if (this.AppWindowStyle == WindowMod.appStyle.Windowed)
//        {
//            Screen.SetResolution(this.windowWidth, this.windowWidth, false);
//        }
//        if (this.AppWindowStyle == WindowMod.appStyle.WindowedWithoutBorder)
//        {
//            Screen.SetResolution(this.windowWidth, this.windowWidth, false);
//            this.screenPosition = new Rect((float)this.windowLeft, (float)this.windowTop, (float)this.windowWidth, (float)this.windowWidth);
//        }
//    }
//    private void Update()
//    {
//        if (this.i < 5)
//        {
//            if (this.AppWindowStyle == WindowMod.appStyle.WindowedFullScreen)
//            {
//                WindowMod.SetWindowLong(WindowMod.GetForegroundWindow(), -16, 369164288);
//                if (this.ScreenDepth == WindowMod.zDepth.Normal)
//                {
//                    WindowMod.SetWindowPos(WindowMod.GetForegroundWindow(), this.HWND_NORMAL, (int)this.screenPosition.x, (int)this.screenPosition.y, (int)this.screenPosition.width, (int)this.screenPosition.height, 64u);
//                }
//                if (this.ScreenDepth == WindowMod.zDepth.Top)
//                {
//                    WindowMod.SetWindowPos(WindowMod.GetForegroundWindow(), this.HWND_TOP, (int)this.screenPosition.x, (int)this.screenPosition.y, (int)this.screenPosition.width, (int)this.screenPosition.height, 64u);
//                }
//                if (this.ScreenDepth == WindowMod.zDepth.TopMost)
//                {
//                    WindowMod.SetWindowPos(WindowMod.GetForegroundWindow(), this.HWND_TOPMOST, (int)this.screenPosition.x, (int)this.screenPosition.y, (int)this.screenPosition.width, (int)this.screenPosition.height, 64u);
//                }
//                WindowMod.ShowWindow(WindowMod.GetForegroundWindow(), 3);
//            }
//            if (this.AppWindowStyle == WindowMod.appStyle.Windowed)
//            {
//                if (this.ScreenDepth == WindowMod.zDepth.Normal)
//                {
//                    WindowMod.SetWindowPos(WindowMod.GetForegroundWindow(), this.HWND_NORMAL, 0, 0, 0, 0, 3u);
//                    WindowMod.SetWindowPos(WindowMod.GetForegroundWindow(), this.HWND_NORMAL, 0, 0, 0, 0, 35u);
//                }
//                if (this.ScreenDepth == WindowMod.zDepth.Top)
//                {
//                    WindowMod.SetWindowPos(WindowMod.GetForegroundWindow(), this.HWND_TOP, 0, 0, 0, 0, 3u);
//                    WindowMod.SetWindowPos(WindowMod.GetForegroundWindow(), this.HWND_TOP, 0, 0, 0, 0, 35u);
//                }
//                if (this.ScreenDepth == WindowMod.zDepth.TopMost)
//                {
//                    WindowMod.SetWindowPos(WindowMod.GetForegroundWindow(), this.HWND_TOPMOST, 0, 0, 0, 0, 3u);
//                    WindowMod.SetWindowPos(WindowMod.GetForegroundWindow(), this.HWND_TOPMOST, 0, 0, 0, 0, 35u);
//                }
//            }
//            if (this.AppWindowStyle == WindowMod.appStyle.WindowedWithoutBorder)
//            {
//                WindowMod.SetWindowLong(WindowMod.GetForegroundWindow(), -16, 369164288);
//                if (this.ScreenDepth == WindowMod.zDepth.Normal)
//                {
//                    WindowMod.SetWindowPos(WindowMod.GetForegroundWindow(), this.HWND_NORMAL, (int)this.screenPosition.x, (int)this.screenPosition.y, (int)this.screenPosition.width, (int)this.screenPosition.height, 64u);
//                }
//                if (this.ScreenDepth == WindowMod.zDepth.Top)
//                {
//                    WindowMod.SetWindowPos(WindowMod.GetForegroundWindow(), this.HWND_TOP, (int)this.screenPosition.x, (int)this.screenPosition.y, (int)this.screenPosition.width, (int)this.screenPosition.height, 64u);
//                }
//                if (this.ScreenDepth == WindowMod.zDepth.TopMost)
//                {
//                    WindowMod.SetWindowPos(WindowMod.GetForegroundWindow(), this.HWND_TOPMOST, (int)this.screenPosition.x, (int)this.screenPosition.y, (int)this.screenPosition.width, (int)this.screenPosition.height, 64u);
//                }
//            }
//        }
//        this.i++;
//    }
//}

using UnityEngine;
using System;
using System.Collections;
using System.Runtime.InteropServices;

public class WindowMod : MonoBehaviour
{

public Rect screenPosition;

[DllImport("user32.dll")]
static extern int GetWindowLong(IntPtr hwnd, int _nIndex);

[DllImport("user32.dll")]
static extern IntPtr SetWindowLong(IntPtr hwnd, int _nIndex, int dwNewLong);

[DllImport("user32.dll")]
static extern bool SetWindowPos(IntPtr hWnd, int hWndInsertAfter, int X, int Y, int cx, int cy, int uFlags);

[DllImport("user32.dll")]
static extern IntPtr GetForegroundWindow();

[DllImport("user32.dll")]
static extern bool SetLayeredWindowAttributes(IntPtr hwnd, uint crKey, byte bAlpha, int dwFlags);

    const int SWP_SHOWWINDOW = 0x0040;
    const int GWL_EXSTYLE = -20;
    const int GWL_STYLE = -16;
    const int WS_CAPTION = 0x00C00000;
    const int WS_BORDER = 0x00800000;
    const int WS_EX_LAYERED = 0x80000;
    public const int LWA_ALPHA = 0x2;
    public const int LWA_COLORKEY = 0x1;

private IntPtr handle;

    void Start()
    {
        handle = GetForegroundWindow();
        SetWindowLong(handle, GWL_EXSTYLE, WS_EX_LAYERED);
        SetWindowLong(handle, GWL_STYLE, GetWindowLong(handle, GWL_STYLE) & ~WS_BORDER & ~WS_CAPTION);
        SetWindowPos(handle, -1, (int)screenPosition.x, (int)screenPosition.y, (int)screenPosition.width, (int)screenPosition.height, SWP_SHOWWINDOW);

//把黑色透明化，不工作
// SetLayeredWindowAttributes(handle, 0, 100, LWA_COLORKEY);

        //把整个窗口透明化，工作
        SetLayeredWindowAttributes(handle, 0, 100, LWA_ALPHA);
    }

void LateUpdate()
{

}
}

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