C 實現常見系統控制

1 實現電腦休眠

2 實現禁止關機

3 登出計算機

4 實現計算機關機

5 實現計算機重啟

6 開啟滑鼠設定

7 開啟桌面設定

8 開啟網路連線

9 程式在工作列隱藏

10 實現螢幕保護

11 呼叫exe檔案

12 關閉右鍵功能

13 實現截圖功能

14 實現程式只能執行一次

using system;

using system.collections.generic;
using system.componentmodel;
using system.data;
using system.drawing;
using system.linq;
using system.text;
using system.threading.tasks;
using system.windows.forms;
using system.runtime.interopservices;
namespace 系統控制應用
private
void
button1_click
(object sender,
eventargs e)
int isclose =0;
const
int close_cmd =
0x0011
;//系統傳送的關機命令
protected
override
void
wndproc
(ref
message m)
//重寫windos訊息處理
}private
void
button2_click
(object sender,
eventargs e)
else}[
dllimport
("user32.dll"
, entrypoint =
"exitwindow***"
, charset = charset.ansi)
]private
static
extern
intexitwindow***
(int uflags,
int dwreserved)
;private
void
button3_click
(object sender,
eventargs e)
private
void
button4_click
(object sender,
eventargs e)
//執行關機
private
void
button5_click
(object sender,
eventargs e)
//重啟計算機
private
void
button6_click
(object sender,
eventargs e)
private
void
button7_click
(object sender,
eventargs e)
private
void
button8_click
(object sender,
eventargs e)
private
void
button9_click
(object sender,
eventargs e)
private
void
button10_click
(object sender,
eventargs e)
private
const
int wm_cmd =
0x0112
;private
const
int sc_screen =
0xf140;[
dllimport
("user32.dll")]
private
static
extern
bool
sendmessage
(intptr hwnd,
int wmsg,
int wpararm,
int lparam)
;private
void
button11_click
(object sender,
eventargs e)
private
void
textbox1_keyup
(object sender,
keyeventargs e)
private
void
textbox2_keyup
(object sender,
keyeventargs e)
private
void
button13_click
(object sender,
eventargs e)
private
void
textbox3_mousedown
(object sender,
mouseeventargs e)
[dllimport
("user32.dll"
, entrypoint =
"getsystemmetrics")]
private
static
extern
intgetsystemmetrics
(int mval);[
dllimport
("user32.dll"
, entrypoint =
"copyicon")]
private
static
extern
intcopyicon
(intptr hicon)
;/// 
/// 不用滑鼠截全屏
/// 
/// 
private
bitmap
capturenocursor()
return sourse;
}//private bitmap capturedesktop()
////    }
//}//private bitmap capturecursor(ref _cx,ref _cy)
////
private
void
button14_click
(object sender,
eventargs e)
private
void
button15_click
(object sender,
eventargs e)
private
void
form1_locationchanged
(object sender,
eventargs e)
private
void
form1_load
(object sender,
eventargs e)
else}}
}

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