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How do I find out which process is locking a file using .NET?
...viceShortName;
public RM_APP_TYPE ApplicationType;
public uint AppStatus;
public uint TSSessionId;
[MarshalAs(UnmanagedType.Bool)]
public bool bRestartable;
}
[DllImport("rstrtmgr.dll", CharSet = CharSet.Unicode)]
static extern int RmRegisterReso...
Is the size of C “int” 2 bytes or 4 bytes?
...t the standard unsigned int requires (at least) sixteen bits of storage:
UINT_MAX 65535 // 2¹⁶ - 1
Thus we can see that unsigned int require (at least) 16 bits, which is where you get the two bytes (assuming CHAR_BIT is 8)... and later when that limit increased...
How do I safely pass objects, especially STL objects, to and from a DLL?
...very basic datatype, so that int will automatically be wrapped to int32_t, uint will be wrapped to uint32_t, etc. This all occurs behind the scenes, thanks to the overloaded = and () operators. I have omitted the rest of the basic type specializations since they're almost entirely the same except fo...
How to convert an IPv4 address into a integer in C#?
... ToInt(string addr)
{
// careful of sign extension: convert to uint first;
// unsigned NetworkToHostOrder ought to be provided.
return (long) (uint) IPAddress.NetworkToHostOrder(
(int) IPAddress.Parse(addr).Address);
}
static string ToAddr(long addre...
How can I use UIColorFromRGB in Swift?
... Swift version of that function (for getting a UIColor representation of a UInt value):
func UIColorFromRGB(rgbValue: UInt) -> UIColor {
return UIColor(
red: CGFloat((rgbValue & 0xFF0000) >> 16) / 255.0,
green: CGFloat((rgbValue & 0x00FF00) >> 8) / 255.0,
...
How to use hex color values
...
Why not use UInt8 instead of asserting that your ints are in range 0...255?
– Richard Venable
Mar 21 '16 at 13:59
6
...
Converting between strings and ArrayBuffers
...; // always utf-8
console.log(enc.encode("This is a string converted to a Uint8Array"));
You then of course use the .buffer parameter on the resulting Uint8Array to convert the underlaying ArrayBuffer to a different view if needed.
Just make sure that the characters in the string adhere to ...
[精华] VC中BSTR、Char和CString类型的转换 - C/C++ - 清泛网 - 专注C/C++及内核技术
...PWSTR /
WCHAR* /
wchar_t*
Right:
BSTR bs = ...; //
//...
UINT len = ::SysStringLen(bs);
// Do not modify the BSTR content by
// C/C++ string functions
LPTSTR sz = new TCHAR[len+1];
_tcsncpy(sz, bs, len);
::SysFreeString(bs);
delete []sz;
Wrong:
BSTR bs = ......
How do you simulate Mouse Click in C#?
...ntion=CallingConvention.StdCall)]
public static extern void mouse_event(uint dwFlags, uint dx, uint dy, uint cButtons, uint dwExtraInfo);
//Mouse actions
private const int MOUSEEVENTF_LEFTDOWN = 0x02;
private const int MOUSEEVENTF_LEFTUP = 0x04;
private const int MOUSEEVENTF_RIGHTDOWN...
Swift - Convert to absolute value
...gnitude property. magnitude has the following declaration:
var magnitude: UInt { get }
For any numeric value x, x.magnitude is the absolute value of x.
The following code snippet shows how to use magnitude property in order to get the absolute value on an Int instance:
let value = -5
print(...