Bitmap.FromHicon(IntPtr) Metoda

Definicja

Tworzy Bitmap z dojścia systemu Windows na ikonę.Creates a Bitmap from a Windows handle to an icon.

public:
 static System::Drawing::Bitmap ^ FromHicon(IntPtr hicon);
public static System.Drawing.Bitmap FromHicon (IntPtr hicon);
static member FromHicon : nativeint -> System.Drawing.Bitmap
Public Shared Function FromHicon (hicon As IntPtr) As Bitmap

Parametry

hicon
IntPtr

Uchwyt do ikony.A handle to an icon.

Zwraca

Bitmap

BitmapTa metoda tworzy.The Bitmap that this method creates.

Przykłady

Poniższy przykład kodu jest przeznaczony do użytku z Windows Forms i wymaga PaintEventArgs e , który jest parametrem Paint programu obsługi zdarzeń.The following code example is designed for use with Windows Forms, and it requires PaintEventArgse, which is a parameter of the Paint event handler. Kod wykonuje następujące czynności:The code performs the following actions:

  • Pobiera uchwyt do istniejącego obrazu ikony.Gets the handle to an existing icon image.

  • Tworzy Bitmap z uchwytu.Creates a Bitmap from the handle.

  • Rysuje Bitmap na ekranie.Draws the Bitmap to the screen.

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 );
   }
[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);
}
<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

Dotyczy