IDeviceContext IDeviceContext IDeviceContext IDeviceContext Interface


定義取得和釋放 Windows 裝置内容的現有控制代碼的方法。Defines methods for obtaining and releasing an existing handle to a Windows device context.

public interface class IDeviceContext : IDisposable
public interface IDeviceContext : IDisposable
type IDeviceContext = interface
    interface IDisposable
Public Interface IDeviceContext
Implements IDisposable


裝置內容會定義以 Windows 為基礎的裝置上繪製的圖形物件。A device context defines the graphics object for drawing on a Windows-based device. 類別若實作的範例IDeviceContext介面是Graphics類別。An example of a class that implements the IDeviceContext interface is the Graphics class.


Dispose() Dispose() Dispose() Dispose()

執行與釋放 (Free)、釋放 (Release) 或重設 Unmanaged 資源相關聯之應用程式定義的工作。Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.

(Inherited from IDisposable)
GetHdc() GetHdc() GetHdc() GetHdc()

傳回 Windows 裝置內容的控制代碼。Returns the handle to a Windows device context.

ReleaseHdc() ReleaseHdc() ReleaseHdc() ReleaseHdc()

釋放 Windows 裝置內容的控制代碼。Releases the handle of a Windows device context.