PrinterSettings.SupportsColor 属性
定义
获取指示该打印机是否支持彩色打印的值。Gets a value indicating whether this printer supports color printing.
public:
property bool SupportsColor { bool get(); };
public bool SupportsColor { get; }
member this.SupportsColor : bool
Public ReadOnly Property SupportsColor As Boolean
属性值
若该打印机支持彩色打印,则为 true;反之,则为 false。true if this printer supports color; otherwise, false.
示例
下面的代码示例使用颜色打印第一页,如果打印机支持该文档。The following code example prints a document with the first page in color, if the printer supports it. 该示例需要创建一个 PrintDocument 名为的变量 printDoc ,并 PrintPage QueryPageSettings 处理和事件。The example requires that a PrintDocument variable named printDoc has been created, and the PrintPage and QueryPageSettings events are handled.
在 System.Drawing System.Drawing.Printing 此示例中使用和命名空间。Use the System.Drawing and System.Drawing.Printing namespaces for this example.
private:
void MyButtonPrint_OnClick( Object^ sender, System::EventArgs^ e )
{
// Set the printer name and ensure it is valid. If not, provide a message to the user.
printDoc->PrinterSettings->PrinterName = "\\mynetworkprinter";
if ( printDoc->PrinterSettings->IsValid )
{
// If the printer supports printing in color, then override the printer's default behavior.
if ( printDoc->PrinterSettings->SupportsColor )
{
// Set the page default's to not print in color.
printDoc->DefaultPageSettings->Color = false;
}
// Provide a friendly name, set the page number, and print the document.
printDoc->DocumentName = "My Presentation";
currentPageNumber = 1;
printDoc->Print();
}
else
{
MessageBox::Show( "Printer is not valid" );
}
}
void MyPrintQueryPageSettingsEvent( Object^ sender, QueryPageSettingsEventArgs^ e )
{
// Determines if the printer supports printing in color.
if ( printDoc->PrinterSettings->SupportsColor )
{
// If the printer supports color printing, use color.
if ( currentPageNumber == 1 )
{
e->PageSettings->Color = true;
}
}
}
private void MyButtonPrint_OnClick(object sender, System.EventArgs e)
{
// Set the printer name and ensure it is valid. If not, provide a message to the user.
printDoc.PrinterSettings.PrinterName = "\\mynetworkprinter";
if (printDoc.PrinterSettings.IsValid) {
// If the printer supports printing in color, then override the printer's default behavior.
if (printDoc.PrinterSettings.SupportsColor) {
// Set the page default's to not print in color.
printDoc.DefaultPageSettings.Color = false;
}
// Provide a friendly name, set the page number, and print the document.
printDoc.DocumentName = "My Presentation";
currentPageNumber = 1;
printDoc.Print();
}
else {
MessageBox.Show("Printer is not valid");
}
}
private void MyPrintQueryPageSettingsEvent(object sender, QueryPageSettingsEventArgs e)
{
// Determines if the printer supports printing in color.
if (printDoc.PrinterSettings.SupportsColor) {
// If the printer supports color printing, use color.
if (currentPageNumber == 1 ) {
e.PageSettings.Color = true;
}
}
}
Private Sub MyButtonPrint_OnClick(ByVal sender As Object, ByVal e As System.EventArgs)
' Set the printer name and ensure it is valid. If not, provide a message to the user.
printDoc.PrinterSettings.PrinterName = "\\mynetworkprinter"
If printDoc.PrinterSettings.IsValid Then
' If the printer supports printing in color, then override the printer's default behavior.
if printDoc.PrinterSettings.SupportsColor then
' Set the page default's to not print in color.
printDoc.DefaultPageSettings.Color = False
End If
' Provide a friendly name, set the page number, and print the document.
printDoc.DocumentName = "My Presentation"
currentPageNumber = 1
printDoc.Print()
Else
MessageBox.Show("Printer is not valid")
End If
End Sub
Private Sub MyPrintQueryPageSettingsEvent(ByVal sender As Object, ByVal e As QueryPageSettingsEventArgs)
' Determines if the printer supports printing in color.
If printDoc.PrinterSettings.SupportsColor Then
' If the printer supports color printing, use color.
If currentPageNumber = 1 Then
e.PageSettings.Color = True
End If
End If
End Sub
注解
若要使用彩色打印,并且打印机支持,请将设置 PageSettings.Color 为 true 。To print using color, and if the printer supports it, set PageSettings.Color to true.