WPF 打印中用户定义的边距
大多数 WPF 打印示例都是这样的：
PrintDialog dialog = new PrintDialog();
if (dialog.ShowDialog() == true)
{
StackPanel myPanel = new StackPanel();
myPanel.Margin = new Thickness(15);
Image myImage = new Image();
myImage.Width = dialog.PrintableAreaWidth;
myImage.Stretch = Stretch.Uniform;
myImage.Source = new BitmapImage(new Uri("pack://application:,,,/Images/picture.bmp"));
myPanel.Children.Add(myImage);
myPanel.Measure(new Size(dialog.PrintableAreaWidth, dialog.PrintableAreaHeight));
myPanel.Arrange(new Rect(new Point(0, 0), myPanel.DesiredSize));
dialog.PrintVisual(myPanel, "A Great Image.");
}
我不喜欢的是，它们总是将边距设置为固定值。 但在 PrintDialog 中，用户可以选择没有样本关心的单独边距。如果用户现在选择的边距大于程序设置的固定边距，则打印输出将被截断。 有没有办法从 PrintDialog 获取用户选择的边距值？
TIA 迈克尔
Most printing samples for WPF go like this:
PrintDialog dialog = new PrintDialog();
if (dialog.ShowDialog() == true)
{
StackPanel myPanel = new StackPanel();
myPanel.Margin = new Thickness(15);
Image myImage = new Image();
myImage.Width = dialog.PrintableAreaWidth;
myImage.Stretch = Stretch.Uniform;
myImage.Source = new BitmapImage(new Uri("pack://application:,,,/Images/picture.bmp"));
myPanel.Children.Add(myImage);
myPanel.Measure(new Size(dialog.PrintableAreaWidth, dialog.PrintableAreaHeight));
myPanel.Arrange(new Rect(new Point(0, 0), myPanel.DesiredSize));
dialog.PrintVisual(myPanel, "A Great Image.");
}
What I don't like about this is, that they always set the margin to a fixed value.
But in PrintDialog the user has the option to choose a individual margin that no sample cares about. If the user now selects a margin that is larger as the fixed margin set by program, the printout is truncated.
Is there a way to get the user selected margin value from PrintDialog?
TIA
Michael
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我相当确定您在
PrintDialog中更改的边距是打印机驱动程序特定的设置。您无法从 .NET 访问该设置是正常的。I am fairly sure that the margin that you are changing in the
PrintDialogis a printer driver-specific setting. It's normal that you cannot access the setting from .NET.