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「在窗體上獲取相對於屏幕的坐標」
方法public class Win { [StructLayout（LayoutKindSequential）] public struct POINT { public int Xpublic int Y
public POINT（int x int y）
{ thisX = xthisY = y}
[DllImport（userdll CharSet = CharSetAuto）] public static extern bool GetCursorPos（out POINT pt）}
方法MouseGetPosition（this）
方法在鼠標mousemove事件中 eGetPosition（this）
「獲取全局鼠標坐標」
using Systemusing SystemCollectionsGenericusing SystemLinqusing SystemTextusing SystemWindowsusing SystemWindowsControlsusing SystemWindowsDatausing SystemWindowsDocumentsusing SystemWindowsInputusing SystemWindowsMediausing SystemWindowsMediaImagingusing SystemWindowsNavigationusing SystemWindowsShapesusing SystemDiagnosticsusing SystemRuntimeInteropServices
namespace wpfMouse { /// <summary> /// MainWindowxaml 的交互邏輯/// </summary> public partial class MainWindow Window { private LowLevelMouseProc _procprivate IntPtr _hookID = IntPtrZeroprivate MSLLHOOKSTRUCT hookStructprivate delegate IntPtr LowLevelMouseProc（int nCode IntPtr wParam IntPtr lParam）
public MainWindow（）
{ InitializeComponent（）
pageLoad（）} private void pageLoad（）
{ _hookID = SetHook（_proc）}
private IntPtr SetHook（LowLevelMouseProc proc）
{ using （Process curProcess = ProcessGetCurrentProcess（））
using （ProcessModule curModule = curProcessMainModule）
{ _proc = HookCallbackreturn SetWindowsHookEx（WH_MOUSE_LL _procGetModuleHandle（curModuleModuleName） ）} private IntPtr HookCallback（int nCode IntPtr wParam IntPtr lParam）
{
if （nCode >= && MouseMessagesWM_MOUSEMOVE == （MouseMessages）wParam）
{
hookStruct = （MSLLHOOKSTRUCT）MarshalPtrToStructure（lParam typeof（MSLLHOOKSTRUCT））//釋放MarshalFreeCoTaskMem（lParam）
labMouseContent = hookStructptx + + hookStructpty
}
return CallNextHookEx（_hookID nCode wParam lParam）} private const int WH_MOUSE_LL =
private enum MouseMessages { WM_LBUTTONDOWN = xWM_LBUTTONUP = xWM_MOUSEMOVE = xWM_MOUSEWHEEL = xAWM_RBUTTONDOWN = xWM_RBUTTONUP = x } [StructLayout（LayoutKindSequential）] private struct POINT { public int xpublic int y}
[StructLayout（LayoutKindSequential）] private struct MSLLHOOKSTRUCT { public POINT ptpublic uint mouseDatapublic uint flagspublic uint timepublic IntPtr dwExtraInfo}
[DllImport（userdll CharSet = CharSetAuto SetLastError = true）] private static extern IntPtr SetWindowsHookEx（int idHookLowLevelMouseProc lpfn IntPtr hMod uint dwThreadId）
[DllImport（userdll CharSet = CharSetAuto SetLastError = true）] [return MarshalAs（UnmanagedTypeBool）] private static extern bool UnhookWindowsHookEx（IntPtr hhk）
[DllImport（userdll CharSet = CharSetAuto SetLastError = true）] private static extern IntPtr CallNextHookEx（IntPtr hhk int nCodeIntPtr wParam IntPtr lParam）
[DllImport（kerneldll CharSet = CharSetAuto SetLastError = true）] private static extern IntPtr GetModuleHandle（string lpModuleName）
private void Window_Closed（object sender EventArgs e）
{ UnhookWindowsHookEx（_hookID）}
}
From:http://tw.wingwit.com/Article/program/net/201311/13453.html
