C# Class EffectEditor.Controls.GraphicsDeviceControl

Custom control uses the XNA Framework GraphicsDevice to render onto a Windows Form. Derived classes can override the Initialize and Draw methods to add their own drawing code.

Inheritance: System.Windows.Forms.Control

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Protected Properties

Свойство	Type	Description
graphicsDeviceService	GraphicsDeviceService

Méthodes protégées

Méthode	Description
Dispose ( bool disposing ) : void	Disposes the control.
Draw ( ) : void	Derived classes override this to draw themselves using the GraphicsDevice.
EndDraw ( ) : void	Ends drawing the control. This is called after derived classes have finished their Draw method, and is responsible for presenting the finished image onto the screen, using the appropriate WinForms control handle to make sure it shows up in the right place.
Initialize ( ) : void	Derived classes override this to initialize their drawing code.
OnCreateControl ( ) : void	Initializes the control.
OnPaint ( PaintEventArgs e ) : void	Redraws the control in response to a WinForms paint message.
OnPaintBackground ( PaintEventArgs pevent ) : void	Ignores WinForms paint-background messages. The default implementation would clear the control to the current background color, causing flickering when our OnPaint implementation then immediately draws some other color over the top using the XNA Framework GraphicsDevice.
PaintUsingSystemDrawing ( Graphics graphics, string text ) : void	If we do not have a valid graphics device (for instance if the device is lost, or if we are running inside the Form designer), we must use regular System.Drawing method to display a status message.

Private Methods

Méthode	Description
BeginDraw ( ) : string	Attempts to begin drawing the control. Returns an error message string if this was not possible, which can happen if the graphics device is lost, or if we are running inside the Form designer.
HandleDeviceReset ( ) : string	Helper used by BeginDraw. This checks the graphics device status, making sure it is big enough for drawing the current control, and that the device is not lost. Returns an error string if the device could not be reset.

Method Details

Dispose() protected méthode

Disposes the control.

protected Dispose ( bool disposing ) : void
disposing	bool
Résultat	void

Draw() protected abstract méthode

Derived classes override this to draw themselves using the GraphicsDevice.

protected abstract Draw ( ) : void
Résultat	void

EndDraw() protected méthode

Ends drawing the control. This is called after derived classes have finished their Draw method, and is responsible for presenting the finished image onto the screen, using the appropriate WinForms control handle to make sure it shows up in the right place.

protected EndDraw ( ) : void
Résultat	void

Initialize() protected abstract méthode

Derived classes override this to initialize their drawing code.

protected abstract Initialize ( ) : void
Résultat	void

OnCreateControl() protected méthode

Initializes the control.

protected OnCreateControl ( ) : void
Résultat	void

OnPaint() protected méthode

Redraws the control in response to a WinForms paint message.

protected OnPaint ( PaintEventArgs e ) : void
e	PaintEventArgs
Résultat	void

OnPaintBackground() protected méthode

Ignores WinForms paint-background messages. The default implementation would clear the control to the current background color, causing flickering when our OnPaint implementation then immediately draws some other color over the top using the XNA Framework GraphicsDevice.

protected OnPaintBackground ( PaintEventArgs pevent ) : void
pevent	PaintEventArgs
Résultat	void

PaintUsingSystemDrawing() protected méthode

If we do not have a valid graphics device (for instance if the device is lost, or if we are running inside the Form designer), we must use regular System.Drawing method to display a status message.

protected PaintUsingSystemDrawing ( Graphics graphics, string text ) : void
graphics	System.Drawing.Graphics
text	string
Résultat	void

Property Details

graphicsDeviceService protected_oe property

protected GraphicsDeviceService,EffectEditor.Controls graphicsDeviceService
Résultat	GraphicsDeviceService