Dav*_*son 5 c# windows powershell mouse-cursor
这对于 95% 的使用情况来说非常有用,但有时我又需要一个小鼠标指针来进行更精细的工作。
不幸的是我每次都必须打开设置,我想要一个键盘快捷键,可以用来在大鼠标和小鼠标之间切换。
所以我写了以下内容,希望能起到作用:
SystemParametersInfo()参数调用SPI_SETCURSORS来点动系统以重新读取鼠标设置。唉,没有喜悦。
谁能指出我的做法是愚蠢的吗?干杯,戴夫
代码如下:
param([int]$MouseSize=0)
###########################################
#
# DISAPPOINTINGLY THIS DOES NOT YET WORK
# Need to figure out why
#
###########################################
##################
# Constants
##################
[int]$small_mouse = 48
[int]$big_mouse = 80
[int]$min_mouse = 1
[int]$max_mouse = 256
[string]$path = 'HKCU:\Control Panel\Cursors'
[string]$name = 'CursorBaseSize'
##################
# API Import
##################
Try{
[void][SysParams]
} Catch {
Add-Type @'
using System;
using System.Runtime.InteropServices;
public class SysParams {
[DllImport("user32.dll", SetLastError = true)]
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern bool SystemParametersInfo(uint uiAction, uint uiParam, uint pvParam, uint fWinIni);
public static bool RefreshCursor()
{
return SystemParametersInfo(0x0057, 0, 0, 0); // SPI_SETCURSORS = 0x0057;
}
}
'@
}
##################
# Main
##################
# Is $MouseSize passed in valid?
if ($MouseSize -ge $min_mouse -and $MouseSize -le $max_mouse) {
$new_size = $MouseSize
} else {
# If invalid $MouseSize passed in, toggle current mouse setting
# First determine if current setting closer to $small_mouse or $big_mouse
$current_size = (Get-ItemProperty $path).$name
$diff_small = [math]::Abs($current_size - $small_mouse)
$diff_big = [math]::Abs($current_size - $big_mouse)
if ($diff_small -lt $diff_big) {
$new_size = $big_mouse # Mouse is small, so toggle big
} else {
$new_size = $small_mouse # Mouse is big, so toggle small
}
}
Set-ItemProperty -Path $path -Name $name -Value $new_size
$resp = [SysParams]::RefreshCursor()
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获取当前系统参数
$systemParameters = [System.Windows.Forms.SystemInformation]::Mouse
Run Code Online (Sandbox Code Playgroud)
设置鼠标指针大小
$systemParameters.MouseSize = 20
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更新系统参数
[System.Windows.Forms.SystemInformation]::Mouse = $systemParameters
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