Import.DeviceIoControl Method
        
		
       
       
		
	
	
	
		
		
			
	
			
				
				
				
					[DllImport("kernel32.dll", SetLastError = true, CharSet = CharSet.Auto)] 
public static extern bool DeviceIoControl( 
   IntPtr hDevice, 
   UInt32 dwIoControlCode, 
   IntPtr lpInBuffer, 
   UInt32 nInBufferSize, 
   IntPtr lpOutBuffer, 
   UInt32 nOutBufferSize, 
   out UInt32 lpBytesReturned, 
   IntPtr lpOverlapped 
)			
				 
				
					This language is not supported or no code example is available.
			
				 
			 
		 
		
		
	 
	Parameters
	- 
		
			hDevice
		
	
- 
		IntPtr 
	
	 
	- 
		
			dwIoControlCode
		
	
- 
		UInt32 
	
	 
	- 
		
			lpInBuffer
		
	
- 
		IntPtr 
	
	 
	- 
		
			nInBufferSize
		
	
- 
		UInt32 
	
	 
	- 
		
			lpOutBuffer
		
	
- 
		IntPtr 
	
	 
	- 
		
			nOutBufferSize
		
	
- 
		UInt32 
	
	 
	- 
		
			lpBytesReturned
		
	
- 
		UInt32 
	
	 
	- 
		
			lpOverlapped
		
	
- 
		IntPtr 
	
	 
	
		Return Value
	bool 
	
	 
 
	
		
				
			
	
			
				
				
				
					
[DllImport("kernel32.dll", SetLastError = true, CharSet = CharSet.Auto)]
 public static extern bool DeviceIoControl(IntPtr hDevice,
 uint dwIoControlCode,
 IntPtr lpInBuffer,
 uint nInBufferSize,
 IntPtr lpOutBuffer,
 uint nOutBufferSize,
 out uint lpBytesReturned,
 IntPtr lpOverlapped);
								
				 
				
					This language is not supported or no code example is available.
			
				 
			 
		 
	 					
 
  
  
	
	
	
	
	
	
		
  
.NET Framework
Supported in: 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8
  .NET Core
Supported in: 5.0+, 6.0+