Home » Windows API

DeleteFile

[ 日期： | 瀏覽：3,676 | 迴響：搶沙發 ]

說明：
DeleteFile 函式可刪除指定的檔案

引用函式庫：
Kernel32

適用系統：
Windows NT 3.1 或 Windows 95以上

函式原型：

Declare Function DeleteFile Lib "kernel32" Alias "DeleteFileA" ( _
    ByVal lpFileName As String _
    ) As Long



參數型態及說明：
lpFileName：String 要刪除的檔案的名稱

回傳值：
Long 呼叫成功的話，將會回傳非零的數值；若呼叫失敗的話，則回傳 0

.NET Framework API：
System.IO.File.Delete
System.IO.FileInfo.Delete

VB範例：

檢視原始碼 Visual Basic
1
2
3
4
5
6
7
8
9

'VB的宣告
Private Declare Function DeleteFile Lib "kernel32" Alias "DeleteFileA" ( _
	ByVal lpFileName As String _
	) As Long
 
Dim rtvl As Long
 
'刪除C:\Windows API.txt
rtvl = DeleteFile("C:\Windows API.txt")

RB範例：

檢視原始碼 REALBasic
1
2
3
4
5
6
7
8
9

'RB的宣告
Declare Function DeleteFile Lib "kernel32" Alias "DeleteFileA" ( _
	lpFileName As CString _
	) As Boolean
 
Dim rtvl As Boolean
 
'刪除C:\Windows API.txt
rtvl = DeleteFile("C:\Windows API.txt")

VB.NET範例：

檢視原始碼 VB.NET
1
2
3
4
5
6
7
8
9
10
11

'VB.NET的宣告
<DllImport("kernel32.dll")> _
Shared Function DeleteFile( _
	ByVal lpFilename As String _
	) As Boolean
End Function
 
Dim rtvl As Boolean
 
'刪除C:\Windows API.txt
rtvl = DeleteFile("C:\Windows API.txt")

C#範例：

檢視原始碼 C#
1
2
3
4
5
6
7
8
9
10

//C#的宣告
[DllImport("kernel32")]
public static extern bool DeleteFile(
	string lpFileName
	);
 
bool rtvl;
 
//刪除C:\Windows API.txt
rtvl = DeleteFile(@"C:\Windows API.txt");

發表迴響