// methods
public void Print()
{
PrintEventArgs printArgs = new PrintEventArgs();
this.OnBeginPrint(printArgs);
if (printArgs.Cancel)
{
return;
}
PrintController.OnStartPrint(this, printArgs);
if (printArgs.Cancel)
{
return;
}
Graphics g = null;
if (printArgs.GraphicsContext != null)
{
g = Graphics.FromHdc(printArgs.GraphicsContext.Hdc);
printArgs.GraphicsContext.Graphics = g;
}
// while there are more pages
PrintPageEventArgs printPageArgs;
do
{
QueryPageSettingsEventArgs queryPageSettingsArgs = new QueryPageSettingsEventArgs(
DefaultPageSettings.Clone() as PageSettings);
OnQueryPageSettings(queryPageSettingsArgs);
PageSettings pageSettings = queryPageSettingsArgs.PageSettings;
printPageArgs = new PrintPageEventArgs(
g,
pageSettings.Bounds,
new Rectangle(0, 0, pageSettings.PaperSize.Width, pageSettings.PaperSize.Height),
pageSettings);
// TODO: We should create a graphics context for each page since they can have diferent paper
// size, orientation, etc. We use a single graphic for now to keep Cairo using a single PDF file.
printPageArgs.GraphicsContext = printArgs.GraphicsContext;
Graphics pg = PrintController.OnStartPage(this, printPageArgs);
// assign Graphics in printPageArgs
printPageArgs.SetGraphics(pg);
if (!printPageArgs.Cancel)
{
this.OnPrintPage(printPageArgs);
}
PrintController.OnEndPage(this, printPageArgs);
if (printPageArgs.Cancel)
{
break;
}
} while (printPageArgs.HasMorePages);
this.OnEndPrint(printArgs);
PrintController.OnEndPrint(this, printArgs);
}
// Print the document.
public void Print()
{
PrintController controller = PrintController;
PrintEventArgs printArgs;
QueryPageSettingsEventArgs queryArgs;
PrintPageEventArgs pageArgs;
Graphics graphics;
// Begin the printing process.
printArgs = new PrintEventArgs();
OnBeginPrint(printArgs);
#if CONFIG_COMPONENT_MODEL
if (printArgs.Cancel)
{
return;
}
#endif
controller.OnStartPrint(this, printArgs);
// Wrap the rest in a "try" block so that the controller
// will be properly shut down if an exception occurs.
try
{
queryArgs = new QueryPageSettingsEventArgs
((PageSettings)(DefaultPageSettings.Clone()));
do
{
// Query the page settings for the next page.
OnQueryPageSettings(queryArgs);
#if CONFIG_COMPONENT_MODEL
if (queryArgs.Cancel)
{
break;
}
#endif
// Create the page argument structure.
pageArgs = new PrintPageEventArgs
(queryArgs.PageSettings);
// Get the graphics object to use to draw the page.
graphics = controller.OnStartPage(this, pageArgs);
pageArgs.graphics = graphics;
// Print the page.
try
{
OnPrintPage(pageArgs);
controller.OnEndPage(this, pageArgs);
}
finally
{
graphics.Dispose();
}
}while(!(pageArgs.Cancel) && pageArgs.HasMorePages);
}
finally
{
try
{
OnEndPrint(printArgs);
}
finally
{
controller.OnEndPrint(this, printArgs);
}
}
}