using System.Runtime.InteropServices;
[StructLayout(LayoutKind.Sequential)]
struct CURSORINFO
{
public int cbSize;
public int flags;
public IntPtr hCursor;
public Point ptScreenPos;
}
[DllImport("user32.dll")]
static extern bool GetCursorInfo(out CURSORINFO pci);
private const int CURSOR_SHOWING= 0x00000001;
private void button1_Click(object sender, EventArgs e)
{
CURSORINFO vCurosrInfo;
vCurosrInfo.cbSize = Marshal.SizeOf(typeof(CURSORINFO));
GetCursorInfo(out vCurosrInfo);
if ((vCurosrInfo.flags & CURSOR_SHOWING) != CURSOR_SHOWING) return;
Cursor vCursor = new Cursor(vCurosrInfo.hCursor);
Graphics vGraphics = Graphics.FromHwnd(Handle);
Rectangle vRectangle = new Rectangle(0, 0, 32, 32);
vGraphics.FillRectangle(new SolidBrush(BackColor), vRectangle);
vCursor.Draw(vGraphics, vRectangle);
}
本文介绍了一种使用 C# 获取当前鼠标光标显示状态和位置的方法,并演示了如何绘制光标到指定区域的过程。通过调用 Win32 API 函数 GetCursorInfo 并定义 CURSORINFO 结构体来实现这一功能。
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