csharp 获取桌面任务栏像素高度的代码
时间: 2023-06-02 15:07:22 浏览: 126
以下是获取桌面任务栏高度的 C# 代码:
```csharp
using System;
using System.Runtime.InteropServices;
namespace DesktopTaskbarHeight
{
class Program
{
[DllImport("user32.dll")]
private static extern IntPtr FindWindow(string lpClassName, string lpWindowName);
[DllImport("user32.dll")]
private static extern IntPtr GetWindow(IntPtr hWnd, int uCmd);
[DllImport("user32.dll")]
private static extern int GetSystemMetrics(int nIndex);
private const int SM_CYSCREEN = 1;
private const int SM_CYCAPTION = 4;
private const int SM_CYSIZEFRAME = 33;
private const int SM_CYBORDER = 6;
private const int SM_CYMINSPACING = 48;
static void Main(string[] args)
{
IntPtr taskbarHandle = FindWindow("Shell_TrayWnd", null);
IntPtr taskbarSizeHandle = GetWindow(taskbarHandle, 5);
int height = GetSystemMetrics(SM_CYSCREEN) - GetSystemMetrics(SM_CYCAPTION) -
2 * GetSystemMetrics(SM_CYSIZEFRAME) - GetSystemMetrics(SM_CYBORDER) -
GetSystemMetrics(SM_CYMINSPACING) - taskbarSizeHandle.Height;
Console.WriteLine($"Taskbar height: {height}px");
}
}
}
```
这段代码通过 PInvoke 调用了 user32.dll 中的一些函数,其中 `FindWindow` 函数获取任务栏窗口句柄,`GetWindow` 函数获取任务栏按钮组窗口句柄,`GetSystemMetrics` 函数获取系统参数。最终计算出任务栏的高度,并输出到控制台。