从 SaveFileDialog 获取选择的文件类型
Getting chosen file type from SaveFileDialog
在 WinForms 的 SaveFileDialog 中,我提供了保存 Excel 文件或 csv 文件的选项。我如何才能选中该选项?
SaveFileDialog exportDialog = new SaveFileDialog();
exportDialog.Filter = "Excel spreadsheet (*.xlsx)|*.xlsx|Comma-separated values file (*.csv)|*.csv";
if (exportDialog.Filter.ShowDialog() == DialogResult.OK)
{
// do something based on chosen file type
}
您可以像这样使用 FilterIndex
of SaveFileDialog
来实现它:
SaveFileDialog exportDialog = new SaveFileDialog();
exportDialog.Filter = "Excel spreadsheet (*.xlsx)|*.xlsx|Comma-separated values file (*.csv)|*.csv";
if (exportDialog.ShowDialog() == DialogResult.OK)
{
if (exportDialog.FilterIndex == 1)
{
MessageBox.Show("Excel");
}
if (exportDialog.FilterIndex == 2)
{
MessageBox.Show("CSV");
}
}
注意:项目索引将从1开始。
在 WinForms 的 SaveFileDialog 中,我提供了保存 Excel 文件或 csv 文件的选项。我如何才能选中该选项?
SaveFileDialog exportDialog = new SaveFileDialog();
exportDialog.Filter = "Excel spreadsheet (*.xlsx)|*.xlsx|Comma-separated values file (*.csv)|*.csv";
if (exportDialog.Filter.ShowDialog() == DialogResult.OK)
{
// do something based on chosen file type
}
您可以像这样使用 FilterIndex
of SaveFileDialog
来实现它:
SaveFileDialog exportDialog = new SaveFileDialog();
exportDialog.Filter = "Excel spreadsheet (*.xlsx)|*.xlsx|Comma-separated values file (*.csv)|*.csv";
if (exportDialog.ShowDialog() == DialogResult.OK)
{
if (exportDialog.FilterIndex == 1)
{
MessageBox.Show("Excel");
}
if (exportDialog.FilterIndex == 2)
{
MessageBox.Show("CSV");
}
}
注意:项目索引将从1开始。