Creates a Bitmap from a Windows handle to an icon.
Assembly: System.Drawing (in System.Drawing.dll)
Syntax
Public Shared Function FromHicon ( _
hicon As IntPtr _
) As Bitmappublic static Bitmap FromHicon(
IntPtr hicon
)public:
static Bitmap^ FromHicon(
IntPtr hicon
)static member FromHicon :
hicon:IntPtr -> Bitmap
Parameters
- hicon
- Type: System
. . :: . IntPtr
A handle to an icon.
Examples
The following code example is designed for use with Windows Forms, and it requires PaintEventArgse, which is a parameter of the Paint event handler. The code performs the following actions:
Gets the handle to an existing icon image.
Creates a Bitmap from the handle.
Draws the Bitmap to the screen.
<System.Runtime.InteropServices.DllImportAttribute("user32.dll", CharSet:=CharSet.Unicode)> _
Private Shared Function LoadImage(ByVal Hinstance As Integer, ByVal name As String, ByVal type As Integer, ByVal width As Integer, ByVal height As Integer, ByVal load As Integer) As IntPtr
End Function
Private Sub HICON_Example(ByVal e As PaintEventArgs)
' Get a handle to an icon.
Dim Hicon As IntPtr = LoadImage(0, "smile.ico", 1, 0, 0, 16)
' Create a Bitmap object from the icon handle.
Dim iconBitmap As Bitmap = Bitmap.FromHicon(Hicon)
' Draw the Bitmap object to the screen.
e.Graphics.DrawImage(iconBitmap, 0, 0)
End Sub
[System.Runtime.InteropServices.DllImportAttribute("user32.dll", CharSet = CharSet.Unicode)]
private static extern IntPtr LoadImage(int Hinstance,
string name, int type, int width, int height, int load);
private void Hicon_Example(PaintEventArgs e)
{
// Get a handle to an icon.
IntPtr Hicon = LoadImage(0, "smile.ico", 1, 0, 0, 16);
// Create a Bitmap object from the icon handle.
Bitmap iconBitmap = Bitmap.FromHicon(Hicon);
// Draw the Bitmap object to the screen.
e.Graphics.DrawImage(iconBitmap, 0, 0);
}
private:
[System::Runtime::InteropServices::DllImportAttribute("user32.dll", CharSet = CharSet::Unicode)]
static IntPtr LoadImage( int Hinstance, String^ name, int type, int width, int height, int load );
private:
void Hicon_Example( PaintEventArgs^ e )
{
// Get a handle to an icon.
IntPtr Hicon = LoadImage( 0, "smile.ico", 1, 0, 0, 16 );
// Create a Bitmap object from the icon handle.
Bitmap^ iconBitmap = Bitmap::FromHicon( Hicon );
// Draw the Bitmap object to the screen.
e->Graphics->DrawImage( iconBitmap, 0, 0 );
}
.NET Framework Security
- SecurityPermission
for calling into unmanaged code. Related enumeration: UnmanagedCode
Platforms
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.