Windows 10下按住鼠标左键时更改光标颜色的方法求助

Got it, let's tackle this problem. Your goal is to change the cursor's color system-wide when holding the left mouse button to visually confirm if ClickLock is active, right? The issue with your current AutoHotkey script is twofold: it swaps the cursor to a predefined system cursor (not a colored one) and doesn't account for Windows automatically resetting the cursor when you move between windows or interact with different UI elements.

Here are two solid, working solutions:

Solution 1: Use a Custom Colored Cursor File #

This is the simpler approach—you'll need a pre-made colored cursor (e.g., red for ClickLock active) saved as a .cur or .ani file. You can create one with tools like CursorFX or free online cursor editors.

Working AutoHotkey Script #

#SingleInstance Force

; Replace this path with your custom colored cursor file location
CustomCursorPath := "C:\Your\Cursor\Path\RedClickLock.cur"

; Preload the custom cursor to avoid repeated file loading
hCustomCursor := DllCall("LoadImage", "UInt", 0, "Str", CustomCursorPath, "UInt", 2, "Int", 0, "Int", 0, "UInt", 0x10)

; Trigger when left mouse button is held
~LButton::
    while GetKeyState("LButton", "P") {
        ; Only change cursor if ClickLock is enabled (optional but useful)
        if (IsClickLockEnabled()) {
            DllCall("SetCursor", "UInt", hCustomCursor)
        }
        Sleep 10 ; Reduce CPU usage with a small delay
    }
    ; Restore default cursor when button is released
    DllCall("SetCursor", "UInt", 0)
return

; Handle cursor resets when moving between windows/mouse movement
OnMessage(0x200, "WM_MOUSEMOVE")
WM_MOUSEMOVE(wParam, lParam) {
    global hCustomCursor
    if (GetKeyState("LButton", "P") && IsClickLockEnabled()) {
        DllCall("SetCursor", "UInt", hCustomCursor)
    }
}

; Helper function to check if ClickLock is enabled system-wide
IsClickLockEnabled() {
    VarSetCapacity(enabled, 4, 0)
    DllCall("SystemParametersInfo", "UInt", 0x100E, "UInt", 0, "Ptr", &enabled, "UInt", 0)
    return NumGet(enabled, 0, "UInt")
}

Key Notes: #

• The IsClickLockEnabled() function checks the system's ClickLock status directly, so the cursor only changes when ClickLock is actually active (remove this check if you want the color change regardless of ClickLock).
• The WM_MOUSEMOVE message handler ensures the custom cursor stays visible even when you switch windows—Windows often resets the cursor during window transitions, so this fixes that.

Solution 2: Dynamically Draw a Colored Cursor (No External Files) #

If you don't want to use an external cursor file, you can generate a colored cursor on-the-fly using GDI+ in AutoHotkey. You'll need the Gdip_All.ahk library (include it in your script's directory).

Working AutoHotkey Script #

#SingleInstance Force
#Include <Gdip_All>

; Initialize GDI+ for cursor drawing
Gdip_Startup()

; Create a 32x32 red cursor (adjust size/color as needed)
hBitmap := Gdip_CreateBitmap(32, 32)
hGraphics := Gdip_GraphicsFromImage(hBitmap)
Gdip_SetSmoothingMode(hGraphics, 4)
; Draw a red filled circle as the cursor
Gdip_FillEllipse(hGraphics, Gdip_CreateSolidBrush(0xFF0000), 0, 0, 32, 32)
; Convert bitmap to a cursor
hCustomCursor := DllCall("CreateCursor", "UInt", 0, "Int", 16, "Int", 16, "Int", 32, "Int", 32, "Ptr", Gdip_LockBits(hBitmap, 0, 0, 32, 32, 0x2, 0x2000), "Ptr", Gdip_LockBits(hBitmap, 0, 0, 32, 32, 0x2, 0x2000))

; Clean up temporary GDI+ resources
Gdip_DeleteGraphics(hGraphics)
Gdip_DisposeImage(hBitmap)

; Same button hold logic as Solution 1
~LButton::
    while GetKeyState("LButton", "P") {
        if (IsClickLockEnabled()) {
            DllCall("SetCursor", "UInt", hCustomCursor)
        }
        Sleep 10
    }
    DllCall("SetCursor", "UInt", 0)
return

OnMessage(0x200, "WM_MOUSEMOVE")
WM_MOUSEMOVE(wParam, lParam) {
    global hCustomCursor
    if (GetKeyState("LButton", "P") && IsClickLockEnabled()) {
        DllCall("SetCursor", "UInt", hCustomCursor)
    }
}

IsClickLockEnabled() {
    VarSetCapacity(enabled, 4, 0)
    DllCall("SystemParametersInfo", "UInt", 0x100E, "UInt", 0, "Ptr", &enabled, "UInt", 0)
    return NumGet(enabled, 0, "UInt")
}

; Clean up resources on exit
ExitApp() {
    global hCustomCursor
    DllCall("DestroyCursor", "UInt", hCustomCursor)
    Gdip_Shutdown()
    ExitApp
}

Key Notes: #

• Adjust the color code (0xFF0000 for red) or drawing shape (replace FillEllipse with DrawRectangle etc.) to match your preference.
• Make sure the Gdip_All.ahk library is in the same folder as your script or referenced correctly with #Include.

内容的提问来源于stack exchange，提问作者Herman Toothrot