ReleaseHdc Method - GdPicture.NET API Reference

ReleaseHdc Method

In This Topic

Releases the handle to the device context associated with this GdViewer control, which has been obtained by a previous call of the GetHdc method.

Syntax

Visual Basic
C#
Delphi
JScript
Managed Extensions for C++
C++/CLI

'Declaration
 
Public Sub ReleaseHdc( _
   ByVal Hdc As IntPtr _
)

public void ReleaseHdc( 
   IntPtr Hdc
)

public procedure ReleaseHdc( 
    Hdc: IntPtr
);

public function ReleaseHdc( 
   Hdc : IntPtr
);

public: void ReleaseHdc( 
   IntPtr Hdc
)

public:
void ReleaseHdc( 
   IntPtr Hdc
)

Parameters

Hdc: The handle to the device context associated with the control.

Example

How to properly manipulate with the handle.

VB.NET
C#

'We assume that the GdViewer1 control has been properly integrated.
Dim myHdc As IntPtr = GdViewer1.GetHdc()
'Do your stuff here.
GdViewer1.ReleaseHdc(myHdc)

//We assume that the GdViewer1 control has been properly integrated.
IntPtr myHdc = GdViewer1.GetHdc();
//Do your stuff here.
GdViewer1.ReleaseHdc(myHdc);

Reference

GdViewer Class
GdViewer Members
GetHdc Method